s_id stringlengths 10 10 | p_id stringlengths 6 6 | u_id stringlengths 10 10 | date stringlengths 10 10 | language stringclasses 1
value | original_language stringclasses 11
values | filename_ext stringclasses 1
value | status stringclasses 1
value | cpu_time int64 0 100 | memory stringlengths 4 6 | code_size int64 15 14.7k | code stringlengths 15 14.7k | problem_id stringlengths 6 6 | problem_description stringlengths 358 9.83k | input stringlengths 2 4.87k | output stringclasses 807
values | __index_level_0__ int64 1.1k 1.22M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s316939428 | p00012 | u995990363 | 1530852344 | Python | Python3 | py | Accepted | 20 | 5592 | 1,214 | import sys
class P(object):
def __init__(self, x, y):
self.x = x
self.y = y
def __repr__(self):
return 'P:{0:.3f} {1:.3f}'.format(self.x, self.y)
class Line(object):
def __init__(self, p1, p2):
self.p1 = p1
self.p2 = p2
self.epsilon = 1e-8
def is_over(... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,502 |
s780464984 | p00012 | u244742296 | 1409835655 | Python | Python3 | py | Accepted | 30 | 7000 | 1,354 | # -*- coding: utf-8 -*-
import sys
import cmath
import math
class Point(object):
def __init__(self, x, y):
self.point = complex(x, y)
def __str__(self):
return "x = {0}, y = {1}".format(self.point.real, self.point.imag)
class Triangle(Point):
def __init__(self, a, b, c):
self.a =... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,503 |
s998084633 | p00012 | u579833671 | 1410771055 | Python | Python | py | Accepted | 20 | 4476 | 848 | import math
def helon(x1, y1, x2, y2, x3, y3):
a = math.sqrt((x2 - x1)**2 + (y2 - y1)**2)
b = math.sqrt((x3 - x2)**2 + (y3 - y2)**2)
c = math.sqrt((x1 - x3)**2 + (y1 - y3)**2)
s = (a + b + c) / 2
return(math.sqrt(s * (s - a) * (s - b) * (s - c)))
while(True):
try:
input = map(float,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,504 |
s482319853 | p00012 | u912237403 | 1415708615 | Python | Python | py | Accepted | 20 | 4244 | 300 | import sys
def side(p1, p2, p3): return (p3[1]-p1[1])*(p2[0]-p1[0])-(p2[1]-p1[1])*(p3[0]-p1[0])>0
for s in sys.stdin:
x = map(float, s.split())
p1 = x[0:2]
p2 = x[2:4]
p3 = x[4:6]
p0 = x[6:]
print ["NO","YES"][(side(p1, p2, p0)==side(p2, p3, p0) and side(p2, p3, p0)==side(p3, p1, p0))] | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,505 |
s588862989 | p00012 | u912237403 | 1415708888 | Python | Python | py | Accepted | 10 | 4244 | 279 | import sys
def side(p1, p2, p3): return (p3[1]-p1[1])*(p2[0]-p1[0])-(p2[1]-p1[1])*(p3[0]-p1[0])>0
for s in sys.stdin:
x = map(float, s.split())
p1 = x[0:2]
p2 = x[2:4]
p3 = x[4:6]
p0 = x[6:]
print ["NO","YES"][(side(p1, p2, p0)==side(p2, p3, p0)==side(p3, p1, p0))] | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,506 |
s828433173 | p00012 | u506132575 | 1416116600 | Python | Python | py | Accepted | 10 | 4264 | 509 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
def dot_z(v1,v2):
if v1[0]*v2[1]-v1[1]*v2[0] > 0:
return 1
else:
return -1
def diff_p(p1,p2):
return [ p2[0]-p1[0], p2[1]-p1[1] ]
for s in sys.stdin:
d = map(float , s.split() )
a = [d[0],d[1]]
b = [d[2],d[3]]
c = [d[4],d[5]]
p = [d[6]... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,507 |
s426844946 | p00012 | u633068244 | 1416815641 | Python | Python | py | Accepted | 20 | 4248 | 340 | def S(x1,y1,x2,y2,x3,y3):
return abs(x1*(y2-y3)+x2*(y3-y1)+x3*(y1-y2))/2.0
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
flag = S(x1,y1,x2,y2,xp,yp)+S(x1,y1,x3,y3,xp,yp)+S(x3,y3,x2,y2,xp,yp)-S(x1,y1,x2,y2,x3,y3) > 0.0000001
print "NO" if flag else "YES"
e... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,508 |
s768883549 | p00012 | u633068244 | 1416815845 | Python | Python | py | Accepted | 10 | 4240 | 307 | while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
S = lambda x1,y1,x2,y2,x3=xp,y3=yp:abs(x1*(y2-y3)+x2*(y3-y1)+x3*(y1-y2))/2.0
print "NO" if S(x1,y1,x2,y2)+S(x1,y1,x3,y3)+S(x3,y3,x2,y2)-S(x1,y1,x2,y2,x3,y3) > 0.0000001 else "YES"
except:
break | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,509 |
s076235194 | p00012 | u567380442 | 1423055030 | Python | Python3 | py | Accepted | 40 | 6756 | 473 | import sys
f = sys.stdin
def take2(iterable):
i = iter(iterable)
while True:
yield next(i), next(i)
def cross(a, b):
return a.real * b.imag - a.imag * b.real
def in_triangle(a, b, c, p):
v1 = cross(a - b, b - p)
v2 = cross(b - c, c - p)
v3 = cross(c - a, a - p)
return 0 < v1 * v2 an... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,510 |
s853935513 | p00012 | u540744789 | 1426591895 | Python | Python | py | Accepted | 20 | 4256 | 395 | def S(x1,y1,x2,y2,x3,y3):
return ((x2-x1)*(y3-y1)-(x3-x1)*(y2-y1))/2.0
import sys
for dataset in sys.stdin:
x1,y1,x2,y2,x3,y3,xp,yp=map(float,dataset.split(" "))
ABP=S(x1,y1,x2,y2,xp,yp)
BCP=S(x2,y2,x3,y3,xp,yp)
CAP=S(x3,y3,x1,y1,xp,yp)
if ABP>0 and BCP>0 and CAP>0:
print 'YES'
elif ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,511 |
s118730724 | p00012 | u162387221 | 1431319110 | Python | Python | py | Accepted | 20 | 4240 | 435 | def CrossProduct(x1, y1, x2, y2, xp, yp):
x2 -= x1
xp -= x1
y2 -= y1
yp -= y1
vec = (x2*yp-xp*y2)
return True if vec > 0 else False
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, raw_input().split())
except EOFError:
break
if CrossProduct(x1, y1, x2, y2, xp, yp) == Cross... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,512 |
s481792042 | p00012 | u879226672 | 1431605893 | Python | Python | py | Accepted | 20 | 4244 | 468 | # coding: utf-8
while True:
try:
x1 ,y1, x2, y2, x3, y3, xp, yp = map(float,raw_input().split())
# ?????????z????????????????¨?????????????
c1 = (x2-x1) * (yp-y2) - (y2-y1) * (xp-x2)
c2 = (x3-x2) * (yp-y3) - (y3-y2) * (xp-x3)
c3 = (x1-x3) * (yp-y1) - (y1-y3) * (xp-x1)
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,513 |
s920877240 | p00012 | u067299340 | 1432879119 | Python | Python | py | Accepted | 10 | 4244 | 257 | import sys
for x0,y0,x1,y1,x2,y2,xp,yp in[map(float,l.split()) for l in sys.stdin]:
a=(x1-x0)*(y1-yp)-(y1-y0)*(x1-xp)
b=(x2-x1)*(y2-yp)-(y2-y1)*(x2-xp)
c=(x0-x2)*(y0-yp)-(y0-y2)*(x0-xp)
print "YES" if a<0 and b<0 and c<0 or a>0 and b>0 and c>0 else "NO" | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,514 |
s529335989 | p00012 | u067299340 | 1432879721 | Python | Python | py | Accepted | 20 | 4244 | 206 | import sys
for a,b,c,d,e,f,g,h in[map(float,l.split()) for l in sys.stdin]:
A=(c-a)*(d-h)-(d-b)*(c-g)
B=(e-c)*(f-h)-(f-d)*(e-g)
C=(a-e)*(b-h)-(b-f)*(a-g)
print "YES"if A*B>0 and B*C>0 and C*A>0 else"NO" | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,515 |
s666917270 | p00012 | u067299340 | 1432879731 | Python | Python | py | Accepted | 10 | 4244 | 206 | import sys
for a,b,c,d,e,f,g,h in[map(float,l.split()) for l in sys.stdin]:
A=(c-a)*(d-h)-(d-b)*(c-g)
B=(e-c)*(f-h)-(f-d)*(e-g)
C=(a-e)*(b-h)-(b-f)*(a-g)
print "YES"if A*B>0 and B*C>0 and C*A>0 else"NO" | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,516 |
s945368892 | p00012 | u067299340 | 1432880059 | Python | Python | py | Accepted | 10 | 4240 | 179 | import sys
for a,b,c,d,e,f,g,h in[map(float,l.split()) for l in sys.stdin]:print["NO","YES"][((c-a)*(d-h)-(d-b)*(c-g)>0)==((e-c)*(f-h)-(f-d)*(e-g)>0)==((a-e)*(b-h)-(b-f)*(a-g)>0)] | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,517 |
s702162953 | p00012 | u379956761 | 1434729024 | Python | Python3 | py | Accepted | 30 | 6816 | 591 | #!/usr/bin/env python
#-*- coding:utf-8 -*-
import sys
import math
for data in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = list(map(float, data.split()))
abV = (x1 - x2, y1 - y2)
bpV = (x2 - xp, y2 - yp)
bcV = (x2 - x3, y2 - y3)
cpV = (x3 - xp, y3 - yp)
caV = (x3 - x1, y3 - y1)
apV = (x... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,518 |
s182523455 | p00012 | u140201022 | 1443020279 | Python | Python | py | Accepted | 10 | 6356 | 249 | while 1:
try:
x1,y1,x2,y2,x3,y3,xp,yp=map(float,raw_input().split())
print 'YES' if ((x2-x1)*(y2-yp)-(y2-y1)*(x2-xp)>0)==((x3-x2)*(y3-yp)-(y3-y2)*(x3-xp)>0)==((x1-x3)*(y1-yp)-(y1-y3)*(x1-xp)>0) else 'NO'
except:
break | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,519 |
s272022408 | p00012 | u071010747 | 1445230312 | Python | Python3 | py | Accepted | 30 | 7384 | 514 | # -*- coding:utf-8 -*-
def main():
while True:
try:
ax,ay,bx,by,cx,cy,px,py=map(float,input().split())
A=(bx-ax)*(py-ay)-(by-ay)*(px-ax)
B=(cx-bx)*(py-by)-(cy-by)*(px-bx)
C=(ax-cx)*(py-cy)-(ay-cy)*(px-cx)
if ((A<=0)and(B<=0)and(C<=0))or((A>0)and(... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,520 |
s381603833 | p00012 | u489809100 | 1446481651 | Python | Python | py | Accepted | 0 | 6300 | 498 | while True:
try:
point = map(float,raw_input().split())
z1 = (point[4] - point[2]) * (point[7] - point[3]) - (point[5] - point[3]) * (point[6] - point[2])
z2 = (point[0] - point[4]) * (point[7] - point[5]) - (point[1] - point[5]) * (point[6] - point[4])
z3 = (point[2] - point[0]) * (point[7] - point[1]) - (poi... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,521 |
s749966678 | p00012 | u777299405 | 1447733827 | Python | Python3 | py | Accepted | 40 | 7340 | 423 | while True:
try:
ax, ay, bx, by, cx, cy, px, py = map(float, input().split())
a = (bx - ax) * (py - ay) - (by - ay) * (px - ax)
b = (cx - bx) * (py - by) - (cy - by) * (px - bx)
c = (ax - cx) * (py - cy) - (ay - cy) * (px - cx)
if (a < 0 and b < 0 and c < 0) or (a > 0 and b >... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,522 |
s601258296 | p00012 | u529386725 | 1454764748 | Python | Python3 | py | Accepted | 30 | 7416 | 504 | def cross(x, y):
return (x.conjugate() * y).imag
def inside_triangle(p, x, y, z):
a = cross(y-x, p-y)
b = cross(z-y, p-z)
c = cross(x-z, p-x)
if a*b > 0 and b*c > 0:
return True
return False
import sys
for line in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.split()... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,523 |
s764194900 | p00012 | u512342660 | 1455277604 | Python | Python | py | Accepted | 10 | 6464 | 863 | #! -*- coding:utf-8 -*-
#????????????P????????????3???A,B,C????????£???????????????????§???¢???
#?????´?????????????????´???????????????????????????????????°?????????
#????????????????????????????????¨?????????
#?????????????????§?¨???????
import sys
for line in sys.stdin:
#1:A,2:B,3:C
ax,ay,bx,by,cx,cy,px,py =... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,524 |
s094875621 | p00012 | u650459696 | 1458397103 | Python | Python3 | py | Accepted | 20 | 7496 | 419 | import sys
def tri(x1,x2,y1,y2,z1,z2,p1,p2):
a = (x1 - y1) * (y2 - p2) - (y1 - p1) * (x2 - y2)
b = (y1 - z1) * (z2 - p2) - (z1 - p1) * (y2 - z2)
c = (z1 - x1) * (x2 - p2) - (x1 - p1) * (z2 - x2)
if(((a < 0) & (b < 0) & (c < 0)) | ((a > 0) & (b > 0) & (c > 0))):
return 'YES'
return 'NO'
ans... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,525 |
s605766060 | p00012 | u148101999 | 1459238702 | Python | Python | py | Accepted | 10 | 6340 | 395 | def S(x1,y1,x2,y2,x3,y3):
return ((x2-x1)*(y3-y1)-(x3-x1)*(y2-y1))/2.0
import sys
for dataset in sys.stdin:
x1,y1,x2,y2,x3,y3,xp,yp=map(float,dataset.split(" "))
ABP=S(x1,y1,x2,y2,xp,yp)
BCP=S(x2,y2,x3,y3,xp,yp)
CAP=S(x3,y3,x1,y1,xp,yp)
if ABP>0 and BCP>0 and CAP>0:
print 'YES'
elif ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,526 |
s083674776 | p00012 | u915343634 | 1459591740 | Python | Python3 | py | Accepted | 30 | 7440 | 421 | def r(x1, y1, x2, y2, x3, y3):
return x1*(y2-y3)+x2*(y3-y1)+x3*(y1-y2) > 0
while True:
try:
line = input()
except:
break
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.strip().split())
abc = r(x1, y1, x2, y2, x3, y3)
pab = r(xp, yp, x1, y1, x2, y2)
pbc = r(xp, yp, x2, y2... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,527 |
s625963679 | p00012 | u130979865 | 1459909324 | Python | Python | py | Accepted | 10 | 6380 | 832 | # -*- coding: utf-8 -*-
import sys
import math
class Point_Class():
def __init__(self, x, y):
self.x = x
self.y = y
def isIn(p1, p2, p3, pp):
a = p2.y-p1.y
b = p2.x-p1.x
c = p2.x*p1.y-p1.x*p2.y
d = p3.y-p2.y
e = p3.x-p2.x
f = p3.x*p2.y-p2.x*p3.y
g = p1.y-p3.y
h = p... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,528 |
s032965930 | p00012 | u572790226 | 1460287674 | Python | Python3 | py | Accepted | 30 | 7544 | 544 | import sys
def crossMulti(p1, p2):
return p1[0] * p2[1] - p1[1] * p2[0]
lines = sys.stdin.readlines()
for line in lines:
Zd = []
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.split())
Ps = [(x2-x1, y2-y1),(x3-x2, y3-y2),(x1-x3, y1-y3)]
Px = [(xp-x1, yp-y1),(xp-x2, yp-y2),(xp-x3, yp-y... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,529 |
s020511566 | p00012 | u766477342 | 1466207191 | Python | Python3 | py | Accepted | 20 | 7724 | 933 | import math
class Triangle:
def __init__(self, x1, y1, x2, y2, x3, y3):
self.x1 = x1
self.x2 = x2
self.x3 = x3
self.y1 = y1
self.y2 = y2
self.y3 = y3
self.a = math.sqrt((x1-x2) ** 2 + (y1 - y2) ** 2)
self.b = math.sqrt((x2-x3) ** 2 + (y2 - y3) ** 2)
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,530 |
s113902479 | p00012 | u766477342 | 1466207581 | Python | Python3 | py | Accepted | 20 | 7812 | 991 | import math
class Triangle:
def __init__(self, x1, y1, x2, y2, x3, y3):
self.x1 = x1
self.x2 = x2
self.x3 = x3
self.y1 = y1
self.y2 = y2
self.y3 = y3
self.a = math.sqrt((x1-x2) ** 2 + (y1 - y2) ** 2)
self.b = math.sqrt((x2-x3) ** 2 + (y2 - y3) ** 2)
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,531 |
s886649777 | p00012 | u617990214 | 1468244893 | Python | Python3 | py | Accepted | 30 | 7456 | 507 | out=[]
while True:
try:
k=list(map(float,input().split(" ")))
except:
break
O_x,O_y=k[0],k[1]
A_x,A_y=k[2],k[3]
B_x,B_y=k[4],k[5]
P_x,P_y=k[6],k[7]
# P in triangle OAB
# iff s+t<1 and s>0 and t>0 (OP=sOA+tOB)
OA=(A_x-O_x,A_y-O_y)
OB=(B_x-O_x,B_y-O_y)
OP=(P_x-O_x,P_y-O_y)
keisuu=1/( OA[0]*OB[1] - OA[1... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,532 |
s011842495 | p00012 | u582608581 | 1470810409 | Python | Python3 | py | Accepted | 40 | 7408 | 397 | def Cramer(a11, a12, a13, a21, a22, a23):
den = a11 * a22 - a12 * a21
return (a13 * a22 - a12 * a23) / den, (a11 * a23 - a13 * a21) / den
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = [eval(item) for item in input().split()]
u, v = Cramer(x3 - x1, x2 - x1, xp - x1, y3 - y1, y2 - y1, yp - y1)
print('YES' i... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,533 |
s420736150 | p00012 | u358919705 | 1471861408 | Python | Python3 | py | Accepted | 30 | 7524 | 504 | import math
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
except:
break
x = [x1, x2, x3, x1]
y = [y1, y2, y3, y1]
x = list(map(lambda i: i - xp, x))
y = list(map(lambda i: i - yp, y))
s = lambda a1, a2, b1, b2: abs(a1 * b2 - a2 * b1)
S3 = s... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,534 |
s786290216 | p00012 | u379499530 | 1472783104 | Python | Python | py | Accepted | 10 | 6380 | 748 | class point:
def __init__(self, x, y):
self.x = x
self.y = y
def sub(self, p):
return point(self.x - p.x, self.y - p.y)
while 1:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, raw_input().split())
A = point(x1, y1)
B = point(x2, y2)
C = point(x3, y3... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,535 |
s841001928 | p00012 | u659302741 | 1477742238 | Python | Python3 | py | Accepted | 20 | 7424 | 842 | import sys
def is_counter_clockwise(x1, y1, x2, y2, x3, y3):
px = x2 - x1
py = y2 - y1
qx = x3 - x1
qy = y3 - y1
return px * qy - py * qx > 0
def is_in_triangle(x1, y1, x2, y2, x3, y3, xp, yp):
if is_counter_clockwise(x1, y1, x2, y2, x3, y3):
return is_counter_clockwise(x1, y1, x2, y2,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,536 |
s237605038 | p00012 | u922871577 | 1479281359 | Python | Python | py | Accepted | 10 | 6408 | 467 | import sys
for line in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.split())
AB = [x2-x1, y2-y1]
BP = [xp-x2, yp-y2]
BC = [x3-x2, y3-y2]
CP = [xp-x3, yp-y3]
CA = [x1-x3, y1-y3]
AP = [xp-x1, yp-y1]
c1 = AB[0] * BP[1] - AB[1] * BP[0]
c2 = BC[0] * CP[1] - BC[1] * CP[0]
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,537 |
s910359525 | p00012 | u301729341 | 1481013177 | Python | Python3 | py | Accepted | 20 | 7488 | 543 | def gai(a,b,c,d):
S = a*d - b*c
return(S)
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,input().split())
if gai(x1 - x2,y1 - y2,x1 - xp,y1 - yp) < 0 and gai(x2 - x3,y2 - y3,x2 - xp,y2 - yp) < 0 and gai(x3 - x1,y3 - y1,x3 - xp,y3 - yp) < 0:
print("YES")
elif gai(x1... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,538 |
s003777334 | p00012 | u123687446 | 1481109539 | Python | Python3 | py | Accepted | 20 | 7376 | 345 | while True:
try:
p = list(map(float,input().split()))
except EOFError:
break
a = p[2] - p[0]
b = p[4] - p[0]
c = p[6] - p[0]
d = p[3] - p[1]
e = p[5] - p[1]
f = p[7] - p[1]
s = (c*e-b*f)/(a*e-b*d)
t = (a*f-c*d)/(a*e-b*d)
print("YES" if s>0 and s<1 and t>0 and... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,539 |
s710258224 | p00012 | u919202930 | 1481509365 | Python | Python3 | py | Accepted | 20 | 7440 | 561 | def getTriangleArea(x1, y1, x2, y2, x3, y3): # returns the area of triangle determined by provided 3 points
ux = x2-x1
uy = y2-y1
vx = x3-x1
vy = y3-y1
return abs(ux*vy-vx*uy)/2
inputs=[]
while True:
try:
inputs.append(list(map(float,input().split())))
except EOFError:
break
for i in inputs:
x... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,540 |
s732955672 | p00012 | u957840591 | 1482720981 | Python | Python3 | py | Accepted | 30 | 7744 | 2,477 | class vector(object):
def __init__(self,a,b):
self.x=b.x-a.x
self.y=b.y-a.y
@staticmethod
def cross_product(a,b):
return a.x*b.y-a.y*b.x
class vertex(object):
def __init__(self,a):
self.x=a[0]
self.y=a[1]
class circle(object):
def __init__(self,p,r):
s... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,541 |
s220131393 | p00012 | u711765449 | 1483968920 | Python | Python3 | py | Accepted | 20 | 7376 | 423 | while True:
try:
ax, ay, bx, by, cx, cy, px, py = map(float, input().split())
a = (bx - ax) * (py - ay) - (by - ay) * (px - ax)
b = (cx - bx) * (py - by) - (cy - by) * (px - bx)
c = (ax - cx) * (py - cy) - (ay - cy) * (px - cx)
if (a < 0 and b < 0 and c < 0) or (a > 0 and b >... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,542 |
s382661667 | p00012 | u078042885 | 1485812880 | Python | Python3 | py | Accepted | 30 | 7416 | 316 | def f(a,b,c,d,e,f,g,h):return ((a-c)*(f-b)+(b-d)*(a-e))*((a-c)*(h-b)+(b-d)*(a-g))
while 1:
try:x1,y1,x2,y2,x3,y3,xp,yp=map(float,input().split())
except:break
x=(x1+x2+x3)/3
y=(y1+y2+y3)/3
print(['YES','NO'][f(x1,y1,x2,y2,xp,yp,x,y)<0 or f(x1,y1,x3,y3,xp,yp,x,y)<0 or f(x2,y2,x3,y3,xp,yp,x,y)<0]) | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,543 |
s480418066 | p00012 | u252414452 | 1486039977 | Python | Python | py | Accepted | 10 | 6456 | 381 | import sys
def to_f(e):
return float(e)
while True:
line = sys.stdin.readline()
if not line: break
x1, y1, x2, y2, x3, y3, xp, yp = map(to_f, line.split(" "))
a = (x2-x1)*(y3-y1)-(x3-x1)*(y2-y1)
b = (xp-x1)*(y3-y1)-(x3-x1)*(yp-y1)
c = (x2-x1)*(yp-y1)-(xp-x1)*(y2-y1)
s = b/a
t = c/a
if s>0 and t>0 ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,544 |
s222475124 | p00012 | u032662562 | 1486278491 | Python | Python3 | py | Accepted | 30 | 7704 | 666 | import math
from sys import stdin
def length(u,v):
x0=u[0]
y0=u[1]
x1=v[0]
y1=v[1]
return(math.sqrt(((x1-x0)**2+(y1-y0)**2)))
def s(a,b,c):
l=length(a,b)
m=length(b,c)
n=length(c,a)
o = (l+m+n)/2.0
p=o*(o-l)*(o-m)*(o-n)
q=math.sqrt(p)
return(q)
if __name__ == "__main__... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,545 |
s395523189 | p00012 | u901080241 | 1488958305 | Python | Python3 | py | Accepted | 20 | 7396 | 554 | import sys
def sameside(x1, y1, x2, y2, ax, ay, bx, by):
if x1 != x2:
aupper = (ay > (y1-y2)/(x1-x2) * (ax-x1) + y1)
bupper = (by > (y1-y2)/(x1-x2) * (bx-x1) + y1)
else:
aupper = ax < x1
bupper = bx < x1
return aupper == bupper
for line in sys.stdin:
x1, y1, x2, y2, x3,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,546 |
s745883357 | p00012 | u797673668 | 1490622513 | Python | Python3 | py | Accepted | 30 | 7396 | 408 | def check(x1, y1, x2, y2, xp, yp):
return ((y1 > yp) != (y2 > yp)) and (xp - x1 < (x2 - x1) * (yp - y1) / (y2 - y1))
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
except:
break
print('YES' if (check(x1, y1, x2, y2, xp, yp) +
check(x2,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,547 |
s903089408 | p00012 | u462831976 | 1492707333 | Python | Python3 | py | Accepted | 20 | 7516 | 670 | # -*- coding: utf-8 -*-
import sys
import os
import math
def cross(a, b):
ax = a[0]
ay = a[1]
bx = b[0]
by = b[1]
return ax * by - ay * bx
for s in sys.stdin:
s = s.strip()
ax, ay, bx, by, cx, cy, px, py = map(float, s.split())
# point A, B, C, P
AP = (px - ax, py - ay)
BP = ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,548 |
s610403554 | p00012 | u546285759 | 1492757978 | Python | Python3 | py | Accepted | 30 | 7620 | 473 | import math
def tri(x1, y1, x2, y2, x3, y3):
return math.fabs((x2-x1)*(y3-y1) - (y2-y1)*(x3-x1)) / 2
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
except:
break
abc = tri(x1, y1, x2, y2, x3, y3)
abp = tri(x1, y1, x2, y2, xp, yp)
acp = tri(x1, y1,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,549 |
s355068457 | p00012 | u618637847 | 1494897726 | Python | Python3 | py | Accepted | 30 | 7400 | 408 |
while 1:
try:
x1, y1, x2, y2, x3, y3, px, py = map(float, input().split())
a = (x2-x1) * (py-y1) - (y2-y1) * (px-x1)
b = (x3-x2) * (py-y2) - (y3-y2) * (px-x2)
c = (x1-x3) * (py-y3) - (y1-y3) * (px-x3)
if (a < 0 and b < 0 and c < 0) or (a > 0 and b > 0 and c > 0):
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,550 |
s584660784 | p00012 | u905313459 | 1496317108 | Python | Python3 | py | Accepted | 30 | 7536 | 486 | import math
def tri(x1, y1, x2, y2, x3, y3):
return math.fabs((x2 - x1) * (y3 - y1) - (y2 - y1) * (x3 - x1)) / 2
while True:
try:
x1, y1, x2, y2, x3, y3, x, y = map(float, input().split())
except:
break
abc = tri(x1, y1, x2, y2, x3, y3)
abp = tri(x1, y1, x2, y2, x, y)
acp = tr... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,551 |
s018916528 | p00012 | u371539389 | 1498110062 | Python | Python3 | py | Accepted | 60 | 10064 | 574 | from decimal import Decimal as D
import sys
def S(P,Q,R):
# R
#
#P
# Q
PQ=[Q[0]-P[0],Q[1]-P[1]]
PR=[R[0]-P[0],R[1]-P[1]]
s=PQ[0]*PR[1]-PQ[1]*PR[0]
return s
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp=[D(i) for i in input().split(" ")]
A=[x1,y1]
B... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,552 |
s273927679 | p00012 | u354053070 | 1501927514 | Python | Python3 | py | Accepted | 30 | 7424 | 558 | import sys
def isleft(ox, oy, ax, ay, px, py):
oax, oay = ax - ox, ay - oy
opx, opy = px - ox, py - oy
if oax * opy > oay * opx:
return 1
else:
return 0
for line in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.split())
# A, B, C, P = (x1, y1), (x2, y2), (x3, y3), ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,553 |
s353144649 | p00012 | u187606290 | 1502047883 | Python | Python3 | py | Accepted | 20 | 7416 | 730 | import fileinput
class Vector2D:
def __init__(self, x, y):
self.x = x
self.y = y
def dot(self, vec2d):
return (self.x * vec2d.y) - (self.y * vec2d.x)
for line in fileinput.input():
x1, y1, x2, y2, x3, y3, xp, yp = [float(r) for r in line.split()]
v1To2 = Vector2D(x2 - x1, y2... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,554 |
s217698437 | p00012 | u957021183 | 1504763903 | Python | Python3 | py | Accepted | 20 | 7520 | 657 | # Aizu Problem 0012: Point in Triangle
#
import sys, math, os
# read input:
PYDEV = os.environ.get('PYDEV')
if PYDEV=="True":
sys.stdin = open("sample-input.txt", "rt")
def point_in_triangle(trig, x, y):
x1, y1, x2, y2, x3, y3 = trig[:]
a = ((y2 - y3)*(x - x3) + (x3 - x2)*(y - y3)) / ((y2 - y3)*(x1 - x3)... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,555 |
s056290696 | p00012 | u811733736 | 1505371925 | Python | Python3 | py | Accepted | 30 | 7744 | 6,982 | # -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0012&lang=jp
"""
import sys
from sys import stdin
input = stdin.readline
class Point(object):
epsilon = 1e-10
def __init__(self, x=0.0, y=0.0):
if isinstance(x, tuple):
self.x = x[0]
self.y ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,556 |
s433291122 | p00012 | u299798926 | 1505392671 | Python | Python3 | py | Accepted | 20 | 7628 | 604 | length=[float(0) for i in range(3)]
while 1:
try:
x1,y1,x2,y2,x3,y3,x4,y4=[float(i) for i in input().split( )]
x12=x1-x2
y12=y1-y2
x23=x2-x3
y23=y2-y3
x31=x3-x1
y31=y3-y1
x14=x1-x4
y14=y1-y4
x24=x2-x4
y24=y2-y4
x34=x3-x4... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,557 |
s408606953 | p00012 | u197615397 | 1507558199 | Python | Python3 | py | Accepted | 30 | 7620 | 627 | import math
import sys
def get_triangle_area(x1, y1, x2, y2, x3, y3):
l1 = math.sqrt(abs(x1-x2)**2+abs(y1-y2)**2)
l2 = math.sqrt(abs(x2-x3)**2+abs(y2-y3)**2)
l3 = math.sqrt(abs(x3-x1)**2+abs(y3-y1)**2)
s = (l1+l2+l3)/2
return math.sqrt(s*(s-l1)*(s-l2)*(s-l3))
for l in sys.stdin:
x1, y1, x2, ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,558 |
s498197477 | p00012 | u548155360 | 1512397083 | Python | Python3 | py | Accepted | 30 | 5608 | 1,174 | # coding=utf-8
def direction_vector(p1: list, p2: list)->list:
return [p2[0]-p1[0], p2[1]-p1[1]]
def cross_product(v1: list, v2: list)->float:
return v1[0]*v2[1] - v1[1]*v2[0]
if __name__ == '__main__':
while True:
try:
points_receive = list(map(float, input().split()))
exc... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,559 |
s167547808 | p00012 | u203261375 | 1513257781 | Python | Python3 | py | Accepted | 20 | 5596 | 751 | import sys
def outer(vec_a, vec_b):
return vec_a[0] * vec_b[1] - vec_a[1] * vec_b[0]
try:
while True:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
vec_12 = [x2-x1, y2-y1]
vec_23 = [x3-x2, y3-y2]
vec_31 = [x1-x3, y1-y3]
vec_1p = [xp-x1, yp-y1]
ve... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,560 |
s497159158 | p00012 | u273843182 | 1514991287 | Python | Python3 | py | Accepted | 30 | 5588 | 460 | def tri(x1, y1, x2, y2, x3, y3):
return abs((x2-x1)*(y3-y1) - (y2-y1)*(x3-x1)) / 2
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
except:
break
abc = tri(x1, y1, x2, y2, x3, y3)
abp = tri(x1, y1, x2, y2, xp, yp)
acp = tri(x1, y1, x3, y3, xp, yp)
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,561 |
s544729804 | p00012 | u024715419 | 1515131179 | Python | Python3 | py | Accepted | 20 | 5648 | 440 | import math
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
s1 = (x2-x1)*(yp-y1) - (y2-y1)*(xp-x1)
s2 = (x3-x2)*(yp-y2) - (y3-y2)*(xp-x2)
s3 = (x1-x3)*(yp-y3) - (y1-y3)*(xp-x3)
if math.copysign(1, s1) == math.copysign(1, s2) and math.copysign(1,... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,562 |
s931783267 | p00012 | u764789069 | 1515224479 | Python | Python | py | Accepted | 10 | 4716 | 821 | def f(a,b,c,d):
return a*d-b*c
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp=map(float,raw_input().split())
AB=[x2-x1,y2-y1]
AP=[xp-x1,yp-y1]
BC=[x3-x2,y3-y2]
BP=[xp-x2,yp-y2]
CA=[x1-x3,y1-y3]
CP=[xp-x3,yp-y3]
#print AB
#print BC
#print... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,563 |
s086670847 | p00012 | u846136461 | 1516237105 | Python | Python | py | Accepted | 10 | 4724 | 1,702 | # coding: utf-8
while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, raw_input().split())
# print(x1)
# print(x2)
# print(x3)
# print(y1)
# print(y2)
# print(y3)
xg = 1./3 * (x1 + x2 + x3)
yg = 1./3 * (y1 + y2 + y3)
# print("xg = {:}, yg = {:}".format(xg, yg))
def line(xi, yi, xj, yj, x, y)... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,564 |
s803969326 | p00012 | u546285759 | 1516367793 | Python | Python3 | py | Accepted | 20 | 5592 | 440 | while True:
try:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, input().split())
except:
break
AB = [x2-x1, y2-y1]
BC = [x3-x2, y3-y2]
CA = [x1-x3, y1-y3]
BP = [xp-x2, yp-y2]
CP = [xp-x3, yp-y3]
AP = [xp-x1, yp-y1]
v1 = AB[0]*BP[1]-AB[1]*BP[0]
v2 = BC[0]*CP[1]-BC[1]*... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,565 |
s908730113 | p00012 | u150984829 | 1516788351 | Python | Python3 | py | Accepted | 20 | 5588 | 202 | import sys
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
f=lambda h,i,j,k:(h-p)*(i-q)-(j-q)*(k-p)
a,b=f(x,u,y,t)/f(r,u,s,t),f(x,s,y,r)/f(t,s,u,r)
print(['NO','YES'][0<a<1-b and 0<b<1-a])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,566 |
s011966953 | p00012 | u150984829 | 1516789291 | Python | Python3 | py | Accepted | 20 | 5584 | 210 | import sys
def f(h,i,j,k):
z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
a,b,c=f(p,q,r,s),f(r,s,t,u),f(t,u,p,q)
print(['NO','YES'][a==b==c])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,567 |
s127391037 | p00012 | u150984829 | 1516789545 | Python | Python3 | py | Accepted | 30 | 5588 | 219 | import sys
def f(h,i,j,k):
z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
g=[p,q,r,s,t,u]
print(['NO','YES'][f(*g[:4])==f(*g[2:6])==f(*g[4:],*g[:2])])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,568 |
s708872570 | p00012 | u150984829 | 1516789548 | Python | Python3 | py | Accepted | 30 | 5592 | 219 | import sys
def f(h,i,j,k):
z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
g=[p,q,r,s,t,u]
print(['NO','YES'][f(*g[:4])==f(*g[2:6])==f(*g[4:],*g[:2])])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,569 |
s126693480 | p00012 | u150984829 | 1516789599 | Python | Python3 | py | Accepted | 20 | 5588 | 197 | import sys
def f(h,i,j,k):
z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
print(['NO','YES'][f(p,q,r,s)==f(r,s,t,u)==f(t,u,p,q)])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,570 |
s698503008 | p00012 | u150984829 | 1516789697 | Python | Python3 | py | Accepted | 30 | 5584 | 195 | import sys
def f(h,i,j,k):z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
print(['NO','YES'][f(p,q,r,s)==f(r,s,t,u)==f(t,u,p,q)])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,571 |
s019741399 | p00012 | u150984829 | 1516789699 | Python | Python3 | py | Accepted | 20 | 5584 | 195 | import sys
def f(h,i,j,k):z=(j-h)*(y-k)-(k-i)*(x-j);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
print(['NO','YES'][f(p,q,r,s)==f(r,s,t,u)==f(t,u,p,q)])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,572 |
s813099930 | p00012 | u150984829 | 1516789812 | Python | Python3 | py | Accepted | 20 | 5584 | 195 | import sys
def f(a,b,c,d):z=(c-a)*(y-d)-(d-b)*(x-c);return([-1,1][z>0],0)[z==0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
print(['NO','YES'][f(p,q,r,s)==f(r,s,t,u)==f(t,u,p,q)])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,573 |
s946444748 | p00012 | u069727578 | 1520821361 | Python | Python3 | py | Accepted | 20 | 5592 | 510 | def cross(x, y):
return (x.conjugate() * y).imag
def inside_triangle(p, x, y, z):
a = cross(y-x, p-y)
b = cross(z-y, p-z)
c = cross(x-z, p-x)
if a*b > 0 and b*c > 0:
return True
return False
import sys
for line in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, line.spli... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,574 |
s126241024 | p00012 | u166871988 | 1523714513 | Python | Python3 | py | Accepted | 20 | 5596 | 349 | g=lambda a,b,c:(a[0]-b[0])*(b[1]-c[1])-(b[0]-c[0])*(a[1]-b[1])
while True:
try:t=input()
except:break
l=[float(i) for i in t.split()]
b=[g(l[0:2],l[2:4],l[6:8]),g(l[2:4],l[4:6],l[6:8]),g(l[4:6],l[0:2],l[6:8])]
if len([i for i in b if i>0])==3 or len([i for i in b if i<0])==3:
print("YES")
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,575 |
s519282064 | p00012 | u150984829 | 1525319831 | Python | Python3 | py | Accepted | 20 | 5588 | 192 | import sys
def f(a,b,c,d):z=(c-a)*(y-d)-(d-b)*(x-c);return[-1*(z==0),1][z>0]
for e in sys.stdin:
p,q,r,s,t,u,x,y=map(float,e.split())
print(['NO','YES'][f(p,q,r,s)==f(r,s,t,u)==f(t,u,p,q)])
| p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,576 |
s123124583 | p00012 | u724548524 | 1525745184 | Python | Python3 | py | Accepted | 20 | 5588 | 379 | import sys
def calc(x, y, xp, yp):
a = [(y[i] - y[i -1]) * (xp - x[i]) - (x[i] - x[i - 1]) * (yp - y[i]) for i in range(3)]
print("YES" if (a[0] > 0 and a[1] > 0 and a[2] > 0) or (a[0] < 0 and a[1] < 0 and a[2] < 0) else "NO")
for s in sys.stdin:
x1, y1, x2, y2, x3, y3, xp, yp = map(float, s.split())
x ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,577 |
s851826989 | p00012 | u536280367 | 1526129528 | Python | Python3 | py | Accepted | 20 | 5592 | 767 | import sys
def cross_product(a, b):
ax, ay = a
bx, by = b
return ax * by - ay * bx
def sub(a, b):
a1, a2 = a
b1, b2 = b
return b1 - a1, b2 - a2
def judge(p1, p2, p3, pp):
cnt = 0
for a, b in ((p1, p2), (p2, p3), (p3, p1)):
vec1 = sub(a, b)
vec2 = sub(a, pp)
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,578 |
s521204924 | p00012 | u043254318 | 1526483042 | Python | Python3 | py | Accepted | 20 | 5648 | 802 | import math
class Point():
def __init__(self, x, y):
self.x = x
self.y = y
def CP(p1, p2, p3):
ax = p2.x-p1.x
ay = p2.y-p1.y
bx = p3.x-p1.x
by = p3.y-p1.y
return ax*by - ay*bx
def Judge(a,b,c):
if a > 0 and b > 0 and c > 0:
print("YES")
elif a < 0 and b < 0 and... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,579 |
s962841902 | p00012 | u458530128 | 1528466832 | Python | Python3 | py | Accepted | 20 | 5584 | 458 | def f(x):
x1, y1, x2, y2, x3, y3, xp, yp = x
ax = x3 - x1
ay = y3 - y1
bx = x2 - x1
by = y2 - y1
xp -= x1
yp -= y1
k = (by * xp - bx * yp) / (ax * by - ay * bx)
l = (ay * xp - ax * yp) / (ay * bx - ax * by)
if (k > 0 and l > 0 and k + l < 1):
print('YES')
else:
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,580 |
s673714708 | p00012 | u847467233 | 1529210439 | Python | Python3 | py | Accepted | 30 | 5592 | 901 | # AOJ 0012 A Point in a Triangle
# Python3 2018.6.17 bal4u
EPS = 0.0001
# a, b, はラインの同一側にあるか
def is_atSameSide(a, b, line):
sa = (line[1].real-line[0].real)*(a.imag-line[0].imag) \
+ (line[1].imag-line[0].imag)*(line[0].real-a.real);
sb = (line[1].real-line[0].real)*(b.imag-line[0].imag) \
+ (line[1].imag-lin... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,581 |
s394391868 | p00012 | u089116225 | 1529512320 | Python | Python3 | py | Accepted | 20 | 5592 | 522 | def vec(s,t):
return [t[0]-s[0], t[1]-s[1]]
def area(a,b):
return a[0]*b[1] - a[1]*b[0]
while True:
try:
l = [float(x) for x in input().split()]
a = [l[0],l[1]]
b = [l[2],l[3]]
c = [l[4],l[5]]
p = [l[6],l[7]]
x = area(vec(p,a),vec(p,b))
y = area(ve... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,582 |
s074741759 | p00012 | u650035614 | 1530633557 | Python | Python3 | py | Accepted | 30 | 5812 | 2,615 |
import math
PI = math.pi
EPS = 10**-10
def edge(a, b):
return ((a[0]-b[0])**2+(a[1]-b[1])**2)**.5
def area(a, b, c):
s = (a+b+c)/2
return (s*(s-a)*(s-b)*(s-c))**.5
def LawOfCosines(a, b, c): #余弦定理
return math.acos( (b*b+c*c-a*a) / (2.0*b*c) );
def is_same(x, y):
return abs(x-y) < EPS
class T... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,583 |
s969663379 | p00012 | u759949288 | 1351586129 | Python | Python | py | Accepted | 10 | 11000 | 757 | import sys
def cross(a, b):
return (a.conjugate() * b).imag
def dot(a, b):
return (a.conjugate() * b).real
def ccw(a, b, c):
x = b - a
y = c - a;
if cross(x, y) > 0: return 1
if cross(x, y) < 0: return -1
if dot(x, y) < 0: return 2
if abs(x) < abs(y): return -2
return 0
def solve(l, p):
x = ccw(l[0][0], l[... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,584 |
s790347556 | p00012 | u759949288 | 1351588164 | Python | Python | py | Accepted | 20 | 5300 | 588 | import sys
def cross(a, b):
return (a.conjugate() * b).imag
def dot(a, b):
return (a.conjugate() * b).real
def ccw(a, b, c):
x = b - a
y = c - a;
cr = cross(x, y)
if cr != 0: return cr
if dot(x, y) < 0: return 2
if abs(x) < abs(y): return -2
return 0
def solve(l, p):
x = cmp(ccw(l[0][0], l[0][1], p), 0)
i... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,585 |
s038693780 | p00012 | u759949288 | 1351592042 | Python | Python | py | Accepted | 10 | 5300 | 569 | import sys
def cross(a, b):
return (a.conjugate() * b).imag
def dot(a, b):
return (a.conjugate() * b).real
def ccw(a, b, c):
x = b - a
y = c - a;
cr = cross(x, y)
if cr != 0: return cr
if dot(x, y) < 0: return 2
if abs(x) < abs(y): return -2
return 0
def solve(l, p):
x = cmp(ccw(l[0][0], l[0][1], p), 0)
i... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,586 |
s315807957 | p00012 | u759949288 | 1351593213 | Python | Python | py | Accepted | 10 | 5300 | 542 | import sys
def cross(a, b):
return (a.conjugate() * b).imag
def dot(a, b):
return (a.conjugate() * b).real
def ccw(a, b, c):
x = b - a
y = c - a;
cr = cross(x, y)
if cr != 0: return cr
if dot(x, y) < 0: return 2
if abs(x) < abs(y): return -2
return 0
for line in sys.stdin:
t = map(float, line.split())
if len... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,587 |
s397190043 | p00012 | u647766105 | 1351612231 | Python | Python | py | Accepted | 10 | 4300 | 611 | import sys
for line in sys.stdin.readlines():
try:
list=map(float,line.split())
x=list[0:6:2]
y=list[1:6:2]
xp=list[6]
yp=list[7]
xv=[x[a%3]-x[(a+1)%3] for a in xrange(4)]
yv=[y[a%3]-y[(a+1)%3] for a in xrange(4)]
xpv=[xp-x[a] for a in xrange(3)]
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,588 |
s829678721 | p00012 | u779627195 | 1352549787 | Python | Python | py | Accepted | 20 | 5440 | 950 | def dot(a, b):
return (a.real*b.real - a.imag*b.imag)
def cross(a, b):
return (a.real*b.imag - a.imag*b.real)
EPS = 10**(-7)
def isIntersectedLS(a1, a2, b1, b2):
return ((cross(a2-a1, b1-a1) * cross(a2-a1, b2-a1)) < EPS and
(cross(b2-b1, a1-b1) * cross(b2-b1, a2-b1)) < EPS)
while 1:
try:
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,589 |
s147811686 | p00012 | u280179677 | 1355388665 | Python | Python | py | Accepted | 10 | 4284 | 963 | class Point:
def __init__(self, x, y):
self.x = x
self.y = y
class DirectedSegment:
def __init__(self, s, e):
self.start = s
self.end = e
LEFT = -1
ONLINE = 0
RIGHT = 1
def datasets():
import sys
while True:
s = sys.stdin.readline()
if len(s) < 2:
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,590 |
s039284885 | p00012 | u419407022 | 1356035187 | Python | Python | py | Accepted | 20 | 4308 | 849 | class Point(object):
x = 0.0
y = 0.0
def __init__(self, x, y):
self.x = x
self.y = y
def __sub__(left, right):
return Point(left.x - right.x, left.y - right.y)
#cross
def __mul__(left, right):
return left.x * right.y - left.y * right.x
while True:
try:
... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,591 |
s279598691 | p00012 | u126791750 | 1357122247 | Python | Python | py | Accepted | 10 | 4272 | 537 | if __name__ == '__main__':
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
r = 0
vec = (x2 - x1) * (yp - y1) - (y2 - y1) * (xp - x1)
if vec > 0:
r += 1
elif vec < 0:
r -= 1
vec = (x3 - x2) * (yp - y2) - (y3 - y2) * (xp - x2)
if vec > 0:
r += 1
elif vec < ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,592 |
s964238381 | p00012 | u126791750 | 1357122429 | Python | Python | py | Accepted | 20 | 4272 | 488 | def checker(x1,y1,x2,y2,xp,yp):
r = 0
vec = (x2 - x1) * (yp - y1) - (y2 - y1) * (xp - x1)
if vec > 0:
r = 1
elif vec < 0:
r = -1
return r
if __name__ == '__main__':
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
r = 0
r += int(checker(x1,y1,x2,y2,xp,yp))
r += int(chec... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,593 |
s736380858 | p00012 | u782850731 | 1362064510 | Python | Python | py | Accepted | 20 | 4804 | 1,067 | from __future__ import (division, absolute_import, print_function,
unicode_literals)
from sys import stdin
from operator import attrgetter
from collections import namedtuple
Point = namedtuple('Point', 'x y')
def linear(p1, p2):
gradient = (p1.y - p2.y) / (p1.x - p2.x)
y_intercept = p1... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,594 |
s414463478 | p00012 | u894941280 | 1362610221 | Python | Python | py | Accepted | 20 | 4452 | 577 | from math import sqrt
dis = lambda x1,y1,x2,y2: sqrt((x1-x2)**2+(y1-y2)**2)
def heron(a,b,c):
s = (a+b+c)*1.0/2
return sqrt(s*(s-a)*(s-b)*(s-c))
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
a,b,c = dis(x1,y1,x2,y2),dis(x1,y1,x3,y3),dis(x3,y3,x2,y2)
d,e,f ... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,595 |
s633668595 | p00012 | u542421762 | 1368174357 | Python | Python | py | Accepted | 10 | 4276 | 763 | import sys
class Point:
def __init__(self, x, y):
self.x = x
self.y = y
def direction_of_rotation(p1, p2, p3):
d = p1.x * (p2.y - p3.y) + p2.x * (p3.y - p1.y) + p3.x * (p1.y - p2.y)
if d < 0:
direction = 'right'
else:
direction = 'left'
return direction
#input... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,596 |
s868866965 | p00012 | u724947062 | 1369401633 | Python | Python | py | Accepted | 20 | 4324 | 1,335 | import sys
class Point(object):
def __init__(self, x, y):
self.x = x
self.y = y
def isLeft(self, vector):
tmpVector = DirectedVector(vector.start, self)
sin = tmpVector * vector
if sin > 0:
return True
else:
return False
class DirectedVec... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,597 |
s483489160 | p00012 | u912237403 | 1377410752 | Python | Python | py | Accepted | 20 | 4260 | 410 | def side(p1, p2, p3):
return (p3[1]-p1[1])*(p2[0]-p1[0])-(p2[1]-p1[1])*(p3[0]-p1[0])>0
while True:
try:
x = map(float, raw_input().split())
p1 = x[0:2]
p2 = x[2:4]
p3 = x[4:6]
p0 = x[6:]
if (side(p1, p2, p0)==side(p2, p3, p0) and side(p2, p3, p0)==side(p3, p1, p0... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,598 |
s104570478 | p00012 | u813384600 | 1379496210 | Python | Python | py | Accepted | 20 | 4272 | 623 | while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float,raw_input().split())
r = 0
vec = (x2-x1) * (yp-y1) - (y2-y1) * (xp-x1)
if vec > 0:
r += 1
elif vec < 0:
r -= 1
vec = (x3-x2) * (yp-y2) - (y3-y2) * (xp-x2)
if vec > 0:
r +=... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,599 |
s298954151 | p00012 | u230836528 | 1392286094 | Python | Python | py | Accepted | 10 | 4332 | 1,080 | # -*- coding: utf-8 -*-
import sys
def prod2d(vec1, vec2):
return vec1[0]*vec2[1] - vec1[1]*vec2[0]
lineNumber = 0
#for line in [ "0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5", "0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0"]:
for line in sys.stdin.readlines():
lineNumber += 1
# get data
List = map(float, line.strip().spli... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,600 |
s083344752 | p00012 | u633068244 | 1393359838 | Python | Python | py | Accepted | 10 | 4468 | 802 | import math
while True:
try:
x1,y1,x2,y2,x3,y3,xp,yp = map(float, raw_input().split())
a = math.sqrt((x1-x2)**2+(y1-y2)**2)
b = math.sqrt((x1-x3)**2+(y1-y3)**2)
c = math.sqrt((x2-x3)**2+(y2-y3)**2)
xa = math.sqrt((x3-xp)**2+(y3-yp)**2)
xb = math.sqrt((x2-xp)**2+(y2-yp... | p00012 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>
<H1>A Point in a Triangle</H1>
<p>
There is a ... | 0.0 0.0 2.0 0.0 2.0 2.0 1.5 0.5
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
| YES
NO
| 5,601 |
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