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Provide a correct Python 3 solution for this coding contest problem. Background The kindergarten attached to the University of Aizu is a kindergarten where children who love programming gather. Yu, one of the kindergarten children, loves lowercase letters as much as programming. Yu-kun decided to write a scoring prog...
instruction
0
37,705
6
75,410
"Correct Solution: ``` v, e = map(int, input().split()) a_lst = input().split() edges = [[] for _ in range(v)] for _ in range(e): s, t = map(int, input().split()) edges[s].append(t) edges[t].append(s) for i in range(v): if "a" <= a_lst[i] <= "z": continue lst = {i for i in range(26)} for fr in ...
output
1
37,705
6
75,411
Provide a correct Python 3 solution for this coding contest problem. Background The kindergarten attached to the University of Aizu is a kindergarten where children who love programming gather. Yu, one of the kindergarten children, loves lowercase letters as much as programming. Yu-kun decided to write a scoring prog...
instruction
0
37,706
6
75,412
"Correct Solution: ``` V_, E_ = map(int, input().split()) A = input().split() E = [[] for _ in range(V_)] Used = [[False]*26 for _ in range(V_)] for _ in range(E_): s, t = map(int, input().split()) As, At = A[s], A[t] if As != "?": Used[t][ord(As)-97] = True if At != "?": Used[s][ord(At)...
output
1
37,706
6
75,413
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,810
6
75,620
Tags: implementation, strings Correct Solution: ``` words = [c for c in input().split()] verdict = True category = ["" for i in range(len(words))] gender = ["" for i in range(len(words))] for i in range(len(words)): if (not verdict): break if (len(words[i]) < 3): verdict = False elif (words[i][-3:] == "etr"): ca...
output
1
37,810
6
75,621
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,811
6
75,622
Tags: implementation, strings Correct Solution: ``` import re def f(x): if x.endswith("lios"): return 1 elif x.endswith("liala"): return -1 elif x.endswith("etr"): return 2 elif x.endswith("etra"): return -2 elif x.endswith("initis"):return 3 elif x.endswith("inites"): return -3 else: return...
output
1
37,811
6
75,623
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,812
6
75,624
Tags: implementation, strings Correct Solution: ``` lista = input().split() passadj = False passsub = False gender = -1 can = True canF = True # verificando os generos das palavras for i in range(0,len(lista)): if (len(lista[i]) >= 3 and lista[i][len(lista[i])-3::] == "etr") or (len(lista[i]) >= 4 and lista[i][len(l...
output
1
37,812
6
75,625
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,813
6
75,626
Tags: implementation, strings Correct Solution: ``` words = input().split() adj = ['lios', 'liala'] nouns = ['etr', 'etra'] verbs = ['initis', 'inites'] mascul = [adj[0], nouns[0], verbs[0]] femine = [adj[1], nouns[1], verbs[1]] good = True if len(words) > 1: masc = False femi = False if any([x == w...
output
1
37,813
6
75,627
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,814
6
75,628
Tags: implementation, strings Correct Solution: ``` s = input().split(' '); a = [] b = [0] * 6 for x in s: if x[-4:] == "lios": a.append(0) b[0] += 1 elif x[-5:] == "liala": a.append(3) b[3] += 1 elif x[-3:] == "etr": a.append(1) b[1] += 1 elif x[-4:] == "...
output
1
37,814
6
75,629
Provide tags and a correct Python 3 solution for this coding contest problem. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can...
instruction
0
37,815
6
75,630
Tags: implementation, strings Correct Solution: ``` # from dust i have come dust i will be #each should be of same gender #adjective*-noun*1-verb* a=list(map(str,input().split())) t=[0]*len(a) str=["lios","liala","etr","etra","initis","inites"] if len(a)==1: for i in range(6): if a[0].endswith(str[i]): ...
output
1
37,815
6
75,631
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with fri...
instruction
0
37,816
6
75,632
No
output
1
37,816
6
75,633
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with fri...
instruction
0
37,817
6
75,634
No
output
1
37,817
6
75,635
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with fri...
instruction
0
37,818
6
75,636
No
output
1
37,818
6
75,637
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with fri...
instruction
0
37,819
6
75,638
No
output
1
37,819
6
75,639
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,006
6
76,012
Tags: bitmasks, brute force, dp Correct Solution: ``` import sys import itertools k, x, n, m = map(int, input().split()) def valid(inicio, fim, tamanho, num_ac): if num_ac == 0: if tamanho == 1: return ("" if inicio != fim else inicio) elif tamanho == 2: return (inicio + fi...
output
1
38,006
6
76,013
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,007
6
76,014
Tags: bitmasks, brute force, dp Correct Solution: ``` # -*- coding: utf-8 -*- import sys def make_string(k, k2string, s1, s2): if k in k2string: return k2string[k] if k == 1: k2string[k] = s1 elif k == 2: k2string[k] = s2 else: k2string[k] = make_string(k-2, k2string, s1, s2) + make_string(k-1, k2string, s...
output
1
38,007
6
76,015
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,008
6
76,016
Tags: bitmasks, brute force, dp Correct Solution: ``` k,x,n,m=map(int,input().split()) def calc(k,a,b,op1,ed1,op2,ed2): if k==2: return b return calc(k-1,b,a+b+(ed1&op2),op2,ed2,op1,ed2) def make(len,a,op,ed): res,i="",0 if op: res+="C" i+=1 if ed: len-=1 while a: res+="AC" a-=1 i+=2 while i<le...
output
1
38,008
6
76,017
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,009
6
76,018
Tags: bitmasks, brute force, dp Correct Solution: ``` def F(a, b, c, d, e, f, k): for _ in range(k - 2): a, b, c, d, e, f = d, e, f, a, b + e + (c and d), f return e k, x, n, m = map(int, input().split()) for a in [True, False]: for c in [True, False]: for b in range((n - a - c) // 2 + 1): for d in [True, Fa...
output
1
38,009
6
76,019
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,010
6
76,020
Tags: bitmasks, brute force, dp Correct Solution: ``` def main(): k, x, n, m = map(int, input().split()) def f(s, e, n, cnt): ret = [""] * n ret[0] = s ret[-1] = e sa = 0 if s == 'A' else 1 for i in range(cnt): ret[sa] = 'A' ret[sa + 1] = 'C' ...
output
1
38,010
6
76,021
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,011
6
76,022
Tags: bitmasks, brute force, dp Correct Solution: ``` import sys import itertools k, x, n, m = map(int, input().split()) def valid(inicio, fim, tamanho, num_ac): if num_ac == 0: if tamanho == 1: return ("" if inicio != fim else inicio) if tamanho == 2: return (inicio + fim ...
output
1
38,011
6
76,023
Provide tags and a correct Python 3 solution for this coding contest problem. Many countries have such a New Year or Christmas tradition as writing a letter to Santa including a wish list for presents. Vasya is an ordinary programmer boy. Like all ordinary boys, he is going to write the letter to Santa on the New Year...
instruction
0
38,012
6
76,024
Tags: bitmasks, brute force, dp Correct Solution: ``` def f(k): if k == 1: return (1, 0, 0, 0, 0) if k == 2: return (0, 1, 0, 0, 0) if k == 3: return (1, 1, 1, 0, 0) a, b = 1, 1 for i in range(k - 3): a, b = b, a + b c = a d = e = 0 for i in range(k - 3): d, e = e, d + e + int(i % 2 == 0...
output
1
38,012
6
76,025
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,033
6
76,066
Tags: dp Correct Solution: ``` line = list(map(int, input().split())) k = line[0] a = line[1] b = line[2] text = input() textLength = len(text) if (textLength/k > b or textLength/k < a): print("No solution") else: avg = textLength // k splitLength = [avg for i in range(k)] remaining = textLength % k ...
output
1
38,033
6
76,067
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,034
6
76,068
Tags: dp Correct Solution: ``` #region Header #!/usr/bin/env python3 # from typing import * import sys import io import math import collections import decimal import itertools import bisect import heapq def input(): return sys.stdin.readline()[:-1] # sys.setrecursionlimit(1000000) #endregion # _INPUT = """# p...
output
1
38,034
6
76,069
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,035
6
76,070
Tags: dp Correct Solution: ``` (k, a, b) = map(int, input().split()) min_len = k * a max_len = k * b line = input() line_length = len(line) print_index = 0 if line_length < min_len or line_length > max_len: print("No solution") else: add_length = line_length - min_len distance = b - a print_to = 0 ...
output
1
38,035
6
76,071
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,036
6
76,072
Tags: dp Correct Solution: ``` k , n , m = map(int,input().split()) s = input() l = len(s) if l>k*m or l<n*k: print("No solution") exit() lis=[n]*k l-=((n)*(k)) c=0 ans=[] while l!=0: for j in range(k): if l==0: break if lis[j]<m: lis[j]+=1 l-=1 # ...
output
1
38,036
6
76,073
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,037
6
76,074
Tags: dp Correct Solution: ``` k,a,b=map(int,input().split(' ')) s=input() l=len(s) if(l<k*a or l>k*b): print("No solution") else: n1=l//k n2=n1+1 n3=k-(l%k) n4=l%k cur=0 for i in range(n3): print(s[cur:cur+n1]) cur+=n1 for i in range(n4): print(s[cur:cur+n2]) ...
output
1
38,037
6
76,075
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,038
6
76,076
Tags: dp Correct Solution: ``` def chujnia(): k, n, m = tuple(list(map(int, input().split()))) slowo = input() lower = k*n higher = k*m if len(slowo) < lower or len(slowo) > higher: print("No solution") exit(0) ilosc = len(slowo)//k reszta = len(slowo) % k cp = reszta ...
output
1
38,038
6
76,077
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,039
6
76,078
Tags: dp Correct Solution: ``` n, a, b = map(int, input().split()) s = input() if n * a <= len(s) <= n * b: x, y = divmod(len(s), n) j = 0 for i in range(n): print(s[j : j + x + (y > i)]) j = j + x + (y > i) else: print('No solution') ```
output
1
38,039
6
76,079
Provide tags and a correct Python 3 solution for this coding contest problem. Anfisa the monkey learns to type. She is yet unfamiliar with the "space" key and can only type in lower-case Latin letters. Having typed for a fairly long line, Anfisa understood that it would be great to divide what she has written into k l...
instruction
0
38,040
6
76,080
Tags: dp Correct Solution: ``` k,a,b=map(int,input().split()) s=input() bal =len(s) if bal>k*b or bal<k*a: print("No solution") else: arr=[a]*k bal-=a*k inc=bal//k bal-=inc*k for i in range(k): arr[i]+=inc for i in range(bal): arr[i]+=1 #print(arr) for i in range(1,k)...
output
1
38,040
6
76,081
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,175
6
76,350
Tags: implementation, strings Correct Solution: ``` s = input() ans = 0 prev = 'a' for c in s: v = abs(ord(c)-ord(prev)) ans += min(v, 26-v) prev = c print(ans) ```
output
1
38,175
6
76,351
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,176
6
76,352
Tags: implementation, strings Correct Solution: ``` grigoriye = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'] l = len(grigoriye) staticpointer = grigoriye[0] def get_least_distance(value): total = 0 staticpointer_index = 0 for i in value: ...
output
1
38,176
6
76,353
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,177
6
76,354
Tags: implementation, strings Correct Solution: ``` import sys inp = sys.stdin.readlines() start_position = 'a' alpha = list(map(chr, range(97, 123))) word = inp[0].lower().strip() rounds = 0 for letter in word: right = 0 while True: try: if alpha[alpha.index(start_position)+right] == le...
output
1
38,177
6
76,355
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,178
6
76,356
Tags: implementation, strings Correct Solution: ``` import string arr = [i for i in string.ascii_lowercase] current = 'a' s = str(input()) count = 0 for i in s: if i != current: count += min(abs(arr.index(i) - arr.index(current)), 26 - abs(arr.index(i) - arr.index(current))) current = i print(count)...
output
1
38,178
6
76,357
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,179
6
76,358
Tags: implementation, strings Correct Solution: ``` word = input() lc = 'a' t = 0 for c in word: x = max(ord(c)-ord('a')+1, ord(lc)-ord('a')+1) y = min(ord(c)-ord('a')+1, ord(lc)-ord('a')+1) if x - y <= 13: t += x-y else: t += 26 + y-x lc = c print(t) ```
output
1
38,179
6
76,359
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,180
6
76,360
Tags: implementation, strings Correct Solution: ``` count = 0 beg = 'a' st = input() c = 0 for i in range (len (st)): c = abs (ord (beg) - ord (st[i])) count += min (c, 26 - c) beg = st[i] print (count) ```
output
1
38,180
6
76,361
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,181
6
76,362
Tags: implementation, strings Correct Solution: ``` name = input() ans = 0 ptr = 1 for i in name: pos = ord(i) - 96 ans += min(abs(ptr - pos), 26 - abs(ptr - pos)) ptr = pos print(ans) ```
output
1
38,181
6
76,363
Provide tags and a correct Python 3 solution for this coding contest problem. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Embosser is a special devise that allows to "print" t...
instruction
0
38,182
6
76,364
Tags: implementation, strings Correct Solution: ``` # https://codeforces.com/contest/731/problem/A # zeus inp = input() start = 'a' my_dict = {'a':1} for i in range(2,27): start = chr(ord(start) + 1) my_dict[start] = i #print(my_dict) rotation = 0 counter = 'a' for i in inp: distance1 = my_dict[counte...
output
1
38,182
6
76,365
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,183
6
76,366
Yes
output
1
38,183
6
76,367
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,184
6
76,368
Yes
output
1
38,184
6
76,369
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,185
6
76,370
Yes
output
1
38,185
6
76,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,186
6
76,372
Yes
output
1
38,186
6
76,373
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,187
6
76,374
No
output
1
38,187
6
76,375
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,188
6
76,376
No
output
1
38,188
6
76,377
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,189
6
76,378
No
output
1
38,189
6
76,379
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Grigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received embosser and was to take stock of the whole exposition. Emboss...
instruction
0
38,190
6
76,380
No
output
1
38,190
6
76,381
Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
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Tags: dp, expression parsing, implementation Correct Solution: ``` #!/usr/bin/env python """ CodeForces: 7E. Defining Macros The key for the solution is the naked operators that are not surrounded by the parentheses in the macro definition. Suspicious patterns of the operators in the appearance order are: o{-} ...
output
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Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
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Tags: dp, expression parsing, implementation Correct Solution: ``` P, A, S, M, D = 1, 2, 4, 8, 16 ADD = A | S ANY = A | S | M | D OP_BIT = {"+": A, "-": S, "*": M, "/": D, ")": 0} UNSAFE_BEFORE = {P: 0, A: 0, S: ADD, M: ADD, D: ANY} UNSAFE_AFTER = {P: 0, A: 0, S: 0, M: ADD, D: ADD} macro = dict() def expr(chars, ...
output
1
38,223
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Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
instruction
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38,224
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Tags: dp, expression parsing, implementation Correct Solution: ``` #!/usr/bin/env python ''' ' Author: Cheng-Shih Wong ' Email: mob5566@gmail.com ' Date: 2017-08-02 ''' import re from collections import deque # compare the priority of operators def comp(opa, opb): if opa=='(' or opb=='(': return ...
output
1
38,224
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76,449
Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
instruction
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38,225
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Tags: dp, expression parsing, implementation Correct Solution: ``` def helper(s, d): if s in d: return d[s] cnt = 0 for idx, c in reversed(list(enumerate(s))): if c == ')': cnt += 1 elif c == '(': cnt -= 1 if cnt == 0 and c in ['+', '-']: ...
output
1
38,225
6
76,451
Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
instruction
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38,226
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Tags: dp, expression parsing, implementation Correct Solution: ``` # 1:correct, 2:incorrect, 3:(a+b), no - at front, no * or / neighbor, 4:(a*b),(a/b) no / at front def helper(s, d): # print(s) if s in d: return d[s] cnt = 0 for idx, c in reversed(list(enumerate(s))): if c == ')': ...
output
1
38,226
6
76,453
Provide tags and a correct Python 3 solution for this coding contest problem. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In this problem we consider the following model of #...
instruction
0
38,227
6
76,454
Tags: dp, expression parsing, implementation Correct Solution: ``` # 1:correct, 2:incorrect, 3:(a+b), no - at front, no * or / neighbor, 4:(a*b),(a/b) no / at front def helper(s, d): if s in d: return d[s] cnt = 0 for idx, c in reversed(list(enumerate(s))): if c == ')': cnt += 1...
output
1
38,227
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76,455
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Most C/C++ programmers know about excellent opportunities that preprocessor #define directives give; but many know as well about the problems that can arise because of their careless use. In th...
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No
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1
38,228
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76,457