solution
stringlengths
11
983k
difficulty
int64
0
21
language
stringclasses
2 values
a,b=map(int,input().split()) c,d=map(int,input().split()) while b!=d and max(b,d)<pow(10,4)+1: if b<d:b+=a else:d+=c if b==d:print(b) else:print(-1)
7
PYTHON3
import sys a, b = map(int, input().split()) c, d = map(int, input().split()) times1 = [b + a*i for i in range(100)] for time2 in [d + c*i for i in range(100)]: if time2 in times1: print(time2) sys.exit() print(-1)
7
PYTHON3
a,b=map(int,input().split()) c,d=map(int,input().split()) f=0 for i in range(0,101): for j in range(0,101): if(b+i*a==d+j*c): print(b+i*a) f=1 break if(f==1): break if(f==0): print(-1)
7
PYTHON3
import sys a, b = map(int, input().split()) c, d = map(int, input().split()) cur1, cur2 = b, d x = set() y = set() for i in range(100000): x.add(cur1) y.add(cur2) cur1 += a cur2 += c for i in range(100000): if i in x and i in y: print(i) sys.exit(0) print(-1)
7
PYTHON3
# -*- coding: utf-8 -*- st = input() i = 0 n = '' m = '' while st[i] != " ": n = n + st[i] i += 1 i += 1 while i < len(st): m = m + st[i] i += 1 a = int(n) b = int(m) st = input() i = 0 n = '' m = '' while st[i] != " ": n = n + st[i] i += 1 i += 1 while i < len(st): m = m + st[i] i += ...
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) """ def nok(a, b): r = a while r % b != 0: r += a return r def get_answer(): if b == d: return 0 if c == a: return -1 if (b - d) * (c - a) < 0: return -1 k = nok(abs(b - d), abs(c - a)) ...
7
PYTHON3
x,y=map(int,input().split()) p,q=map(int,input().split()) for i in range(1,101): for j in range(1,101): if (y+(i-1)*x)==(q+(j-1)*p): print(y+(i-1)*x) exit() print(-1)
7
PYTHON3
x,y=map(int,input().split()) z,t=map(int,input().split()) tmp=0 def timluot(a,b,c,d): i=0 tm=0 while i<=200: j=0 tm=b+a*i while True: tmp=d+c*j if tmp==tm: return tmp elif tmp>tm: break j+=1 i+=1...
7
PYTHON3
a,b = list(map(int, input().split())) c,d = list(map(int, input().split())) check=-1 #print("A") for i in range(101): for j in range(101): if b+i*a==d+j*c: check=1 print(b+i*a) break if check==1: break if check==-1: print("-1")
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) ans = -1 for i in range(int(1e6)): if b < d: b += a elif d < b: d += c else: ans = d break print(ans)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long ar[500005]; long long br[500005]; int main() { long long a, b, c, d, i, j, k, m, n, t, sum, f; cin >> a >> b; cin >> c >> d; for (i = 0; i < 101; i++) ar[i] = b + i * a; for (i = 0; i < 101; i++) br[i] = d + i * c; for (i = 0; i < 101; i++) for (j ...
7
CPP
a, b = list(map(int, input().split())) c, d = list(map(int, input().split())) t1 = b t2 = d solution_found = False for i in range(10000): if (t1 == t2): print(t1) solution_found = True break elif (t1 > t2): t2 += c else: t1 += a if (not solution_found): print(-1)
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) same_time = 0 coeff = 0 count = 0 if (a % 2 == 0 and b % 2 != 0) and c % 2 == 0 and d % 2 == 0: print("-1") elif (a % 2 == 0 and b % 2 == 0) and c % 2 == 0 and d % 2 != 0: print("-1") elif b == d: print(b) else: if b > d: g =...
7
PYTHON3
flag=1 a,b=map(int,input().split()) c,d=map(int,input().split()) for i in range(1,1000): if flag==1: for j in range(1,1000): if b+a*i-a-d-c*j+c==0: print(b+(i-1)*a) flag=0 break else: break if flag==1: print("-1")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int i = 0, n, a, b = 0, c = 0, e, m, d, t = 0, x, sum = 0, y, f = 0, o, z = 0, h = 0, l = 0, k = 0, r, x1, x2, y1, y2; cin >> a >> b; cin >> c >> d; for (i = 0; i < 100000; i++) { if (b == d) { cout << b; z = 1;...
7
CPP
b, a = map(int, input().split()) d, c = map(int, input().split()) if a < c: a, b, c, d = c, d, a, b R = [a+i*b for i in range(d) if (a+i*b - c) % d == 0] if R: print(min(R)) else: print(-1)
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) checker = False for i in range(100): for k in range(100): if b+i*a == d+k*c: print(b+i*a) checker = True if checker: break if checker: break if not checker: print("-1")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d, e[10100], f[10100], i, j; cin >> a >> b; cin >> c >> d; for (i = 0; i < 100; i++) { e[i] = b + i * a; for (j = 0; j < 100; j++) { f[j] = d + j * c; if (e[i] == f[j]) { cout << e[i] << endl; return 0; ...
7
CPP
#include <bits/stdc++.h> using namespace std; const int inf = 1000000001; using ll = long long; using ull = unsigned long long; struct ToggleSeparator {}; template <ostream *Out> struct DumpFirst {}; template <ostream *Out> struct Dumper { static void *&last() { static void *p; return p; } static const ch...
7
CPP
a,b=map(int,input().split()) c,d=map(int,input().split()) ans=-1 for i in range(1,101): x=b+(i-1)*a for j in range(1,101): y=d+(j-1)*c if(y==x): ans=y print(ans) quit(0) if(y>x): break print(ans)
7
PYTHON3
b,a = map(int,input().split()) d,c = map(int,input().split()) ans = -1 ar = [a+b*i for i in range(100)] br = [c+d*i for i in range(100)] i = 0 j = 0 while i<100 and j<100: if ar[i]==br[j]: ans = ar[i] break elif ar[i]<br[j]: i+=1 else: j+=1 print(ans)
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) ans = -1 dic = {} for i in range(200): dic[b + a*i] = 1 for i in range(200): if d + i*c in dic: print(d + i*c) break else: print(-1)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAX_N = 2e5 + 9; const int INF = 1e9 + 5; const int mod = 1e9; int main() { int a, b, c, d; cin >> a >> b >> c >> d; set<int> kek; for (int i = 0; i < 1e5; i++) { kek.insert(b + a * i); } for (int i = 0; i < 1e5; i++) if (kek.find(d + c * i) !=...
7
CPP
a,b=input().split(" ") c,d=input().split(" ") a=int(a) b=int(b) c=int(c) d=int(d) s=b s1=d j=0 if(not (a&(a-1)==a-1) and not (c&(c-1)==c-1)): if(b&(b-1)==b-1 and not (d&(d-1)==d-1)): print("-1") j=1 while(j==0 and s<100000): if(s==s1): print(s) j=1 elif(s1>s): ...
7
PYTHON3
# -*- coding: utf-8 -*- """ Created on Sun Dec 16 12:35:38 2018 @author: asus """ a,b=(int(x) for x in input().split()) c,d=(int(x) for x in input().split()) while b!=d and b<10**4: if b<d: b+=a else: d+=c if b!=d: print(-1) else: print(b)
7
PYTHON3
def compute_gcd(a, b): if a == 0: return b return compute_gcd(b % a, a) def main(): a, b = map(int, input().split()) c, d = map(int, input().split()) gcd = compute_gcd(a, c) if (b - d) % gcd != 0: print(-1) steps = 1000 size = max(b, d) + max(a, c) * steps used =...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int i, a, b, c, d; bool ok = false; cin >> a >> b >> c >> d; for (i = 0; i <= 100; ++i) { int dif = b - d + i * (a - c); if (dif % c == 0 && i * a + b >= d) { ok = true; break; } } if (ok == true) cout << i * a + b; els...
7
CPP
ab = list(map(int, input().split())) a = ab[0] b = ab[1] cd = list(map(int, input().split())) c = cd[0] d = cd[1] list1 = [] list2 = [] counter1= 0 counter2 = 0 for i in range(max(a + b,c + d)): list1.append(counter1 * a + b) list2.append((counter2 * c + d)) counter1 += 1 counter2 += 1 for i in range...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d, i, j, flag = 0; scanf("%d %d %d %d", &a, &b, &c, &d); for (i = 0; i <= 100; i++) for (j = 0; j <= 100; j++) { if (b + a * i == d + c * j) { printf("%d", b + a * i); return 0; } } if (flag == 0) printf(...
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; double n; cin >> a >> b; cin >> c >> d; if (b == d) { cout << b << endl; return 0; } for (int i = 0; i <= 100000; i++) { n = 1.00 * ((d - b) + c * i) / a; if (ceil(n) == floor(n) && n >= 0) { cout << (int)(b +...
7
CPP
#include <bits/stdc++.h> using namespace std; int main(void) { ios::sync_with_stdio(false); int a, b, c, d; cin >> a >> b >> c >> d; if (b <= d) { unsigned long long k = 0, x = d; d -= b; d %= a; vector<bool> arr(a, false); while (!arr[d] && d != 0) { k++; arr[d] = true; d ...
7
CPP
import math def bezout(m,n,t): x=0 while((t-m*x)%n!=0): x+=1 return (x,int(t-m*x)/n) a,b=map(int,input().split()) c,d=map(int,input().split()) if (d-b)%(math.gcd(a,c)) !=0: print(-1) else: (t1,t2)=bezout(a,c,d-b) while(t2>0): t1+=int(c/math.gcd(a,c)) t2-=int(a/math.gcd(a,...
7
PYTHON3
gcd = lambda a, b: gcd(b, a % b) if b else a a, b = map(int, input().split()) c, d = map(int, input().split()) if (d - b) % gcd(a, c): print(-1) else: while True: if b == d: print(b) break if b < d: b += a else: d += c
7
PYTHON3
import collections a,b=map(int,input().split()) c,d=map(int,input().split()) v=collections.defaultdict(int) i=0 while True: if b-d>0: if ((b-d)+a*i)%c==0: print(b+a*i) break if v[((b-d)+a*i)%c] not in v: v[((b-d)+a*i)%c]+=1 else: print(-1) ...
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) e = [] g = [] l = 0 for i in range(101): h = b+i*a e.append(h) k = d+i*c g.append(k) #print(e) #print(g) for i in range(len(e)): if e[i] in g: l = 1 s = e[i] break if(l == 1): print(e[i]) else: print(-1...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long a, b, c, d, mn = -111111; int main() { ios_base::sync_with_stdio(0); cin >> a >> b >> c >> d; for (long long i = 0; i <= 4000; i++) { for (long long j = 0; j <= 4000; j++) { if (b + i * a == d + j * c) { if (mn == -111111) { mn = ...
7
CPP
import sys import math import itertools import functools import collections import operator import fileinput import copy ORDA = 97 # a def ii(): return int(input()) def mi(): return map(int, input().split()) def li(): return [int(i) for i in input().split()] def lcm(a, b): return abs(a * b) // math.gcd(a, b) def rev...
7
PYTHON3
import sys input = sys.stdin.readline a, b = map(int, input().split()) c, d = map(int, input().split()) found = False for i in range(int(1e6)): j = (a*i + b - d)/c if j % 1 == 0 and j >= 0: print(a*i + b) found = True break if not found: print(-1)
7
PYTHON3
a, b = [int(v) for v in input().split(' ')] c, d = [int(v) for v in input().split(' ')] # Il ragionamento qui è che dobbiamo imporre # b + ai = d + cj # che è un'eq. diofantea che ha soluzione sse gcd(c, a) | (d - b) -- [Hardy & Wright, An introduction to the theory of numbers, thm.25] # siccome inoltre a, b, c e d so...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } int main() { long long a, b, c, d; cin >> a; cin >> b; cin >> c; cin >> d; long long z = abs(d - b); long long e = gcd(a, c); if (z % e != 0) cout << -1; else {...
7
CPP
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); } int main() { int a, b, c, d; cin >> a >> b >> c >> d; if (abs(b - d) % gcd(a, c)) { cout << -1; return 0; } int x = b; while (1) { if ((x - d) >= 0 && (x - d) % c == 0) { ...
7
CPP
a,b=map(int,input().split()) c,d=map(int,input().split()) l1=[] l2=[] for i in range(0,1000): l1.append(b+i*a) for j in range(0,1000): if (d+c*j) in l1: print(d+c*j) break else: print(-1)
7
PYTHON3
g=lambda x,y:g(y,x%y)if y else x a,b=map(int,input().split()) c,d=map(int,input().split()) e=g(a,c) if (b-d)% e:print(-1) else: while b!=d: if b<d:b+=a else:d+=c print(b)
7
PYTHON3
def gcd(a, b): if b == 0: return a return gcd(b, a % b) a, b = map(int, input().split()) c, d = map(int, input().split()) morty = set() cr = b for i in range(1000): morty.add(cr) cr += a cr = d for i in range(1000): if cr in morty: print(cr) exit(0) cr += c print(-1)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; cin >> a >> b >> c >> d; int a1 = 0; int a2 = 0; int R, M; int cnt = 0, flag = 1; while (1) { if (cnt > 1e7) { flag = 0; break; } R = b + a1 * a; M = d + a2 * c; if (R > M) a2++; if (R < M) a1++;...
7
CPP
arr = input().split(' ') a = int(arr[0]) b = int(arr[1]) arr = input().split(' ') c = int(arr[0]) d = int(arr[1]) k = set(range(b,10**4,a)) l = set(range(d,10**4,c)) j = k & l print(min(j) if j else -1)
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) for x in range(101): y = (b + a*x - d) * 1.0/c if y % 1 == 0 and y >= 0: print (b+a*x) exit() print ("-1")
7
PYTHON3
import sys a, b = [int(x) for x in input().split()] c, d = [int(x) for x in input().split()] if a < c: b, a, d, c = d, c, b, a foundoverlap = False x = b while x < 100000: if x < d: x = x + a continue if (x - d) % c == 0: print(x) foundoverlap = True break x = ...
7
PYTHON3
a,b=map(int,input().split()) r,l=map(int,input().split()) for i in range(0,101) : for j in range(101) : if a*i+b==l+r*j : print(a*i+b) exit() print(-1)
7
PYTHON3
######### ## ## ## #### ##### ## # ## # ## # # # # # # # # # # # # # # # # # # # # # # # ### # # # # # # # # # # # # # ##### # # # # ### # # # # # # # # ##### # # # # # # # # # # # # # # # # # # #########...
7
PYTHON3
a,b = map(int,input().split()) c,d = map(int,input().split()) res = -1 for i in range(10000): if (b+a*i-d) % c == 0 and b+a*i-d >= 0: res = b+a*i break print(res)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long int mod = 1000000009; map<long long int, int> m; int main() { int a, b, c, d; cin >> a >> b >> c >> d; for (int i = 0; i < 100000; i++) { m[b + i * a] = 1; } for (int i = 0; i < 100000; i++) { if (m[d + i * c] == 1) { cout << d + i * ...
7
CPP
#!/usr/bin/env python3 from fractions import gcd def ri(): return map(int, input().split()) a, b = ri() c, d = ri() if c > a: a, c = c, a b, d = d, b for i in range(10**5): if b-d+i*a >=0 and (b-d+i*a)%c == 0: print(b+i*a) exit() else: print(-1)
7
PYTHON3
from fractions import gcd a, b = [int(x) for x in input().split()] c, d = [int(x) for x in input().split()] g = gcd(a, c) if abs(b - d) % g != 0: print(-1) else: s1 = set([b]) s2 = set([d]) while True: if b in s2: print(b) break if d in s1: print(d) ...
7
PYTHON3
(a, b) = (int(i) for i in input().split()) (c, d) = (int(i) for i in input().split()) br = -1 for k in range(1000000): n = ((d-b+c*k)/a) if n>=0 and not n%1: br = k break if br!=-1: print(d+c*br) else: print(-1)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; void solve() { int ans = -1; map<int, int> m; int a, b, c, d; cin >> a >> b >> c >> d; m[b]++; m[b + a]++; for (int i = 2; i <= 100; ++i) { m[(i * a) + b]++; } if (m[d] == 1) ans = d; else if (m[d + c] == 1) ans = d + c; else { for (int...
7
CPP
a,b=map(int,input().split()) c,d=map(int,input().split()) x=y=0 chk=set([]) for i in range(0,700000,1): x=b+a*i y=d+c*i if x==y or (x in chk and y in chk): print(min(x,y)) exit() if x in chk: print(x) exit() if y in chk: print(y) exit() chk.add(x) ...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d, e, f, cs = 10000; cin >> a >> b >> c >> d; e = b; f = d; for (cs; cs > 0; cs--) { if (e < f) e += a; else if (e > f) f += c; else if (e == f) break; } if (cs == 0) { cout << "-1\n"; return 0; ...
7
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5; int a, b, c, d; int main() { scanf("%d%d%d%d", &a, &b, &c, &d); for (int i = max(b, d); i < 100000; i++) { if ((i - b) % a == 0 && (i - d) % c == 0) { printf("%d", i); return 0; } } printf("-1"); return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long n, i, j, k, l, m, t, a, b, c, d; string str; cin >> a >> b; cin >> c >> d; long long count1 = 0; bool flag = 0; while (count1 <= 20000) { while (b < d) { b += a; count1++; } while (d < b) { d += c; cou...
7
CPP
a, b = map(int, input().split()) c, d = map(int, input().split()) # b + ai = d + cj # -> i = (d - b + cj) / a cnt = 0 founded = False j = 0 while cnt <= a: i = (d - b + c*j) // a if i >= 0: cnt += 1 if (d - b + c*j) % a == 0: founded = True break j += 1 if founded: print(b + a*i) else: p...
7
PYTHON3
a,b = map(int, input().split()) c, d = map(int, input().split()) #ax - cy = d- b def GCD(a,b): while b != 0: r = a % b a = b b = r return a if (d - b) % GCD(a,c) != 0: print(-1) else: y = 0 while True: x = (d - b + c*y) // a if x >= 0 and (d - b + c*y) % a =...
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) while (b!=d and b<10**5): if b<d: b+=a else: d+=c if (b==d): print(b) else: print(-1)
7
PYTHON3
a,b = map(int,input().split()) c,d = map(int,input().split()) def rick(a,b,r): return b+a*r def morty(c,d,r): return d+c*r def gcd(a,b): if b==0: return a return gcd(b,a%b) pos = d-b if (pos % gcd(a,c) !=0): print(-1) else: i = 0 j = 0 while True: if rick(a,b,i) < morty...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") const long long int MAXN = 2e5 + 5; const long long int mod = 1000000007; const long long int N = 200005; void solve() { int a, b, c, d; cin >> a >> b >> c >> d; map<int, int> mp; int dis1 = b, dis2 = ...
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int a, d1; int b, d2, i; cin >> d1 >> a >> d2 >> b; int n, m, KK; KK = max(max(a, b), max(d1, d2)); n = 0; while (true) { if (n > KK) { cout << -1; return 0; } m = 0; while ((b + m * d2) < (a + n * d1)) m++; if ((b ...
7
CPP
'''input 69 48 39 9 ''' a, b = map(int, input().split()) c, d = map(int, input().split()) # if (b % 2 != d % 2 and a % 2 == c % 2): # print(-1) # else: for x in range(100): for y in range(100): if b + x*a == d + y*c: print(b + x*a) quit() print(-1)
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) ans = 1e18 for i in range(1000): for j in range(1000): if b + a*i == d + c*j: ans = min(ans, b + a*i) if ans == 1e18: ans = -1 print(ans)
7
PYTHON3
import sys a,b = map(int,input().split()) c,d = map(int,input().split()) li = [] li1 = [] for i in range(100): for j in range(100): if (b+a*i == d+c*j): print(b+a*i) sys.exit() print("-1")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int a, b, c, d; int main() { cin >> a >> b >> c >> d; while (b != d and b < 1000000) { if (b < d) b = b + a; else d = d + c; } if (b < 100000) cout << b; else cout << "-1"; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 100010; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int a = 0, b = 0, c = 0, d = 0, res = INT_MAX; cin >> a >> b; cin >> c >> d; for (int i = 0; i <= 100; ++i) for (int j = 0; j <= 100; ++j) { if (b + i * a == d + j *...
7
CPP
from math import gcd def main(): a, b = map(int, input().split()) c, d = map(int, input().split()) n = a * c // gcd(a, c) + b + d l = [*[0] * n, 2] for i in range(b, n, a): l[i] = 1 for i in range(d, n, c): l[i] += 1 i = l.index(2) print(i if i < n else -1) if __name_...
7
PYTHON3
#include <bits/stdc++.h> int v[1000001]; using namespace std; int main() { int a, b, c, d; scanf("%d%d%d%d", &a, &b, &c, &d); while (b <= 1000000) { v[b] = 1; b += a; } while (d <= 1000000) { if (v[d] == 1) { printf("%d", d); return 0; } d += c; } printf("-1"); return 0; ...
7
CPP
a,b = map(int,input().split()) c,d = map(int,input().split()) f = [] s = [] ans = -1 for i in range(10000): ff = b+(i*a) f.append(ff) for i in range(10000): ss = d+(i*c) if(ss in f): ans = ss break s.append(ss) print(ans)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 900010; int a, b, c, d; int main() { cin >> a >> b; cin >> c >> d; if (b == d) { return 0 * printf("%d\n", b); } else { for (int i = 0; i <= 1000; i++) for (int j = 0; j <= 1000; j++) { if (b + i * a == d + j * c) { retu...
7
CPP
#include <bits/stdc++.h> int main(void) { int a, b, c, d, i; scanf("%d%d%d%d", &a, &b, &c, &d); for (i = 1; i <= 10000000; i++) { if (i - b < 0 || i - d < 0) continue; if ((i - b) % a == 0 && (i - d) % c == 0) { printf("%d\n", i); return 0; } } printf("-1\n"); return 0; }
7
CPP
a,b=[int(i)for i in input().split()] c,d=[int(i)for i in input().split()] ans=-1 for i in range(int(1e6)): if b<d:b+=a elif d<b:d+=c else:ans=d;break print(ans)
7
PYTHON3
##n = int(input()) ##a = list(map(int, input().split())) ##print(' '.join(map(str, res))) [a, b] = list(map(int, input().split())) [c, d] = list(map(int, input().split())) def gcd(a, b): if b == 0: return a return gcd(b, a%b); if abs(d-b)%gcd(a, c) != 0: print('-1') exit(0) res = 1000000 for...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d, e; scanf("%d %d", &a, &b); scanf("%d %d", &c, &d); if (d > b) { int t = a; a = c; c = t; t = b; b = d; d = t; } int i; for (i = 0; i < 1000; i++) { int t = (a * i + b - d) % c; if (t == 0) { pr...
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; scanf("%d %d", &a, &b); scanf("%d %d", &c, &d); for (int i = 0; i < 1e6 + 100; i++) { int t = b + i * a; if (t - d >= 0 && (t - d) % c == 0) { printf("%d\n", t); return 0; } } printf("-1\n"); return 0; }
7
CPP
def e_gcd(a,b): s = pt = 0 ps = t = 1 r = b pr = a while r: q = pr // r pr, r = r, (pr - q*r) ps, s = s, (ps - q*s) pt, t = t, (pt - q*t) return pr, (ps, pt) a, b = [int(x) for x in input().split()] c, d = [int(x) for x in input().split()] g, x = e_gcd(a,c) num ...
7
PYTHON3
def find_scream(): a, b = map(int, input().split()) c, d = map(int, input().split()) for i in range(0, 1000): current_scream = b + a * i if (current_scream - d ) % c == 0 and current_scream - d >= 0: print(current_scream) return print(-1) return find_scream...
7
PYTHON3
a, b = map(int, input().split()) c, d = map(int, input().split()) ans = -1 for i in range(100000): if b == d: ans = b break elif b < d: b += a else: d += c print(ans)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; cin >> a >> b >> c >> d; for (int i = 1; i <= 100; i++) { for (int j = 1; j <= 100; j++) { if (((i - 1) * a) + b == ((j - 1) * c) + d) { cout << ((i - 1) * a) + b; return 0; } } } cout << -1; }
7
CPP
## necessary imports import sys input = sys.stdin.readline from math import log2, log, ceil # swap_array function def swaparr(arr, a,b): temp = arr[a]; arr[a] = arr[b]; arr[b] = temp ## gcd function def gcd(a,b): if a == 0: return b return gcd(b%a, a) ## nCr function efficient using Binom...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int a, b, c, d, i, j; int NOD(int x, int y) { while (x > 0 && y > 0) { if (x > y) { x %= y; } else { y %= x; } } return x + y; } int main() { scanf("%d%d%d%d", &a, &b, &c, &d); if ((b - d) % NOD(a, c) != 0) { printf("-1"); return 0;...
7
CPP
#include <bits/stdc++.h> std::pair<std::pair<int, int>, int> gcd(int a, int b) { if (b == 0) { return std::make_pair(std::make_pair(1, 0), a); } else { int c = a % b; int mult = (a - c) / b; std::pair<std::pair<int, int>, int> res = gcd(b, c); return std::make_pair( std::make_pair(res.fi...
7
CPP
a, b = map(int, input().split()) c, d = map(int, input().split()) arr = [b + a * i for i in range(1000)] for i in range(1000): if d + c * i in arr: print(d + c * i) exit() print(-1)
7
PYTHON3
def BS(f,n,len): L = 0 R = len-1 while(L<=R): mid = (L+R)//2 if(f[mid] == n): return True elif(f[mid]<n): L =(mid+1) else: R =(mid-1) return False a,b = map(int,input().split()) c,d = map(int,input().split()) f = [] s = [] ans = -1 for i in range(10000): ff = b+(i*a) f.append(ff) size = len(f)...
7
PYTHON3
inputBuffer = input().split() a = int(inputBuffer[0]) b = int(inputBuffer[1]) inputBuffer = input().split() c = int(inputBuffer[0]) d = int(inputBuffer[1]) ans = 1E9 for i in range(1000): for j in range(1000): if (a*i+b == c*j+d): ans = min(ans,a*i+b) if (ans == 1E9): ans = -1 print(ans...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; scanf("%d %d %d %d", &a, &b, &c, &d); vector<bool> can(1e7 + 1); for (int i = b; i <= 1e7; i += a) { can[i] = true; } for (int i = d; i <= 1e7; i += c) { if (can[i]) { printf("%d\n", i); return 0; } } prin...
7
CPP
#include <bits/stdc++.h> using namespace std; int rick, morty; int a, b, c, d, x, y; int main() { cin >> a >> b >> c >> d; for (x = 0, y = 0; x <= 100 && y <= 100;) { rick = b + x * a; morty = d + y * c; if (rick == morty) { cout << rick; return 0; } if (rick > morty) y++; ...
7
CPP
#include <bits/stdc++.h> using namespace std; unsigned long long cream_time(unsigned long long in1, unsigned long long int2, unsigned long long time); int main() { unsigned long long a = 0, b = 0, c = 0, d = 0; unsigned long long catched_time = 0, cream_count = 0; unsigned long long ...
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long i, a, b, c, d, mn, mx; cin >> a >> b >> c >> d; mn = min(b, d); b -= mn; d -= mn; if (d > b) { for (i = 0; i < 1000; i++) { if (d % a == 0) { cout << d + mn; return 0; } d += c; } } else if (d < ...
7
CPP
a,b=map(int,input().split()) c,d=map(int,input().split()) s={b-d} while b!=d: if b<d: b+=a else: d+=c bd=b-d if bd in s: break s|={bd} if d==b: print(b) else: print(-1)
7
PYTHON3
a, b = [int(v) for v in input().split(' ')] c, d = [int(v) for v in input().split(' ')] # Il ragionamento qui è che dobbiamo imporre # b + ai = d + cj # che è un'eq. diofantea che ha soluzione sse gcd(c, a) | (d - b) -- [Hardy & Wright, An introduction to the theory of numbers, thm.25] # siccome inoltre a, b, c e d so...
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int dp[199]; int main() { long long x, y, x1, y1; int untd = -1; cin >> x >> y; cin >> x1 >> y1; for (int k = 0; k <= 100; k++) for (int j = 0; j <= 100; j++) if (y + x * k == y1 + x1 * j) { cout << y + x * k; return 0; } cout << ...
7
CPP
a, b = map(int,input().split()) c, d = map(int,input().split()) cnt = 0 found = False j = 0 while cnt <= a: i = (d-b + c *j)//a if i >= 0: cnt += 1 if (d-b+c*j)%a == 0: found = True # print (i,j) break j += 1 if found: print (b+a*i) else: prin...
7
PYTHON3
R = lambda:map(int , input().split()) a , b = R() c , d = R() n = 100000 f = [0] * n i = b while(i < 10000 ) : f[i] |= 1 i += a i = d while(i < 10000 ) : f[i] |= 2 i += c found = False i = 0 while(i < 10000) : if f[i] == 3 : print(i) found = True break i += 1 if(n...
7
PYTHON3
a, b = map(int,input().split()) #b + a, b + 2a c, d = map(int,input().split()) #c + d, c + 2d e = [b] f = [d] g = 1 h = 0 for i in range(0, 5000): x = b + g * a e.append(x) y = d + g * c f.append(y) g += 1 u = set(e) i = set(f) y = u&i if y: print(min(y)) else: print("-1")
7
PYTHON3