message
stringlengths
2
65.1k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
0
108k
cluster
float64
14
14
__index_level_0__
int64
0
217k
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Santa has to send presents to the kids. He has a large stack of n presents, numbered from 1 to n; the topmost present has number a_1, the next present is a_2, and so on; the bottom present has n...
instruction
0
75,140
14
150,280
No
output
1
75,140
14
150,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Santa has to send presents to the kids. He has a large stack of n presents, numbered from 1 to n; the topmost present has number a_1, the next present is a_2, and so on; the bottom present has n...
instruction
0
75,141
14
150,282
No
output
1
75,141
14
150,283
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Santa has to send presents to the kids. He has a large stack of n presents, numbered from 1 to n; the topmost present has number a_1, the next present is a_2, and so on; the bottom present has n...
instruction
0
75,142
14
150,284
No
output
1
75,142
14
150,285
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,401
14
150,802
Tags: implementation Correct Solution: ``` # Description of the problem can be found at http://codeforces.com/problemset/problem/435/A n, m = map(int, input().split()) l_s = list(map(int, input().split())) c_p = m t = 0 for s in l_s: if c_p + s > m: t += 1 c_p = s else: c_p += s ...
output
1
75,401
14
150,803
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,402
14
150,804
Tags: implementation Correct Solution: ``` w=list(map(int,input().split())) x=w[0] y=w[1] l=list(map(int,input().split())) i = 0 sum = 1 inc=0 while(i<x): if (inc+l[i]>y): sum +=1 inc=l[i] else: inc+=l[i] i+=1 print(sum) ```
output
1
75,402
14
150,805
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,403
14
150,806
Tags: implementation Correct Solution: ``` a,b=map(int,input().split()) c=list(map(int,input().split())) d=0 e=b for i in c: if e>=i: e-=i else: e=b-i d+=1 print(d+1) ```
output
1
75,403
14
150,807
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,404
14
150,808
Tags: implementation Correct Solution: ``` if __name__ == "__main__": n, m = list(map(int, input().split())) a = list(map(int, input().split())) bus_counts = 0 bus_left_seats = m for i, ai in enumerate(a): if bus_left_seats < ai: bus_counts += 1 bus_left_seats = m ...
output
1
75,404
14
150,809
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,405
14
150,810
Tags: implementation Correct Solution: ``` n, m = map(int, input().split()) groups = [int(c) for c in input().split()] ans = 0 while sum(groups) > 0: cap = m for i in range(n): if groups[i] <= cap: cap -= groups[i] groups[i] = 0 else: break ans += 1 pri...
output
1
75,405
14
150,811
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,406
14
150,812
Tags: implementation Correct Solution: ``` z=lambda:map(int,input().split());a,b=z();c=list(z());s=i=0;from math import* while(i<a): k=ceil(c[i]/b);l=k*b-c[i];i+=1;s+=k while(i<a): if l>=c[i]:l-=c[i];i+=1 else:break print(s) ```
output
1
75,406
14
150,813
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,407
14
150,814
Tags: implementation Correct Solution: ``` t = input().split() n = int(t[0]) m = int(t[1]) del t t = [int(x) for x in input().split()] ''' slon = t.count(m) if slon != 0: t.remove(m) n = len(t) ''' slon = 0 temp = 0 for i in range(n): temp = t[i] t[i] = 0 for j in range(n): if temp + t[j] <= m: ...
output
1
75,407
14
150,815
Provide tags and a correct Python 3 solution for this coding contest problem. It's that time of the year when the Russians flood their countryside summer cottages (dachas) and the bus stop has a lot of people. People rarely go to the dacha on their own, it's usually a group, so the people stand in queue by groups. Th...
instruction
0
75,408
14
150,816
Tags: implementation Correct Solution: ``` n, m = (int(x) for x in input().split()) cur, val = 0, 1 for ai in (int(x) for x in input().split()): if cur + ai <= m: cur += ai else: cur = ai val += 1 print(val) ```
output
1
75,408
14
150,817
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,504
14
151,008
Tags: greedy, math Correct Solution: ``` a,b=map(int,input().split());print(a*(a-1)//2 if b>=a//2 else b*2*a-2*b*b-b) # Made By Mostafa_Khaled ```
output
1
75,504
14
151,009
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,505
14
151,010
Tags: greedy, math Correct Solution: ``` n,k = map(int,input().split()) if k>n//2: k=n//2 w = n*k - ( (k * ( k+1 ))//2 ) w1 = ( n - k*2 )*k w2 = (k * (k-1))//2 print( max(0,w+w1+w2) ) ```
output
1
75,505
14
151,011
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,506
14
151,012
Tags: greedy, math Correct Solution: ``` n,k=map(int,input().split()) p=n//2 p=min(p,k) s=0 for j in range(p*2): s=s+n-1 n=n-1 print(s) ```
output
1
75,506
14
151,013
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,507
14
151,014
Tags: greedy, math Correct Solution: ``` a, b = map(int, input().split()) ans = 0 a -= 1 while True: if (b == 0 or a <= 0): break ans += a * 2 - 1 a -= 2 b -= 1 print(ans) ```
output
1
75,507
14
151,015
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,508
14
151,016
Tags: greedy, math Correct Solution: ``` n, k = map(int, input().split()) result = 0 curVal = n for i in range(k): if curVal <= 1: break result += 2 * curVal - 3 curVal -= 2 print(result) ```
output
1
75,508
14
151,017
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,509
14
151,018
Tags: greedy, math Correct Solution: ``` n, t = map(int, input().split()) if t >= n//2: print(((n-1)*n)//2) else: print(((n-1)*n)//2 - ((n-t*2-1)*(n-t*2)//2)) ```
output
1
75,509
14
151,019
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,510
14
151,020
Tags: greedy, math Correct Solution: ``` n, k = map(int, input().split()) k = min(k, n // 2) ans = 0 for i in range(1, k + 1): ans += (n - i) t = ans ans += ((n - 2 * k) * k) print(ans + (k * (k - 1) // 2)) ```
output
1
75,510
14
151,021
Provide tags and a correct Python 3 solution for this coding contest problem. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th stall from the left. However, Elsie, after reali...
instruction
0
75,511
14
151,022
Tags: greedy, math Correct Solution: ``` [n,k]=[int(i) for i in input().split()] if 2*k>=n-1: print(int(n*(n-1)/2)) else: print(int(n*(n-1)/2-(n-2*k)*(n-2*k-1)/2)) ```
output
1
75,511
14
151,023
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,512
14
151,024
Yes
output
1
75,512
14
151,025
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,513
14
151,026
Yes
output
1
75,513
14
151,027
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,514
14
151,028
Yes
output
1
75,514
14
151,029
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,515
14
151,030
Yes
output
1
75,515
14
151,031
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,516
14
151,032
No
output
1
75,516
14
151,033
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,517
14
151,034
No
output
1
75,517
14
151,035
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,518
14
151,036
No
output
1
75,518
14
151,037
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cows, labeled 1 through n, are arranged so that the i-th cow occupies the i-th s...
instruction
0
75,519
14
151,038
No
output
1
75,519
14
151,039
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,627
14
151,254
Tags: binary search, data structures, implementation Correct Solution: ``` n, k = list(map(int, input().split())) r = list(map(int, input().split())) index = sorted(range(n), key=lambda x: r[x]) m = [0 for _ in range(n)] ls = 0 seq = 1 for i in range(1, n): if r[index[i]] > r[index[i-1]]: ls += seq ...
output
1
75,627
14
151,255
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,628
14
151,256
Tags: binary search, data structures, implementation Correct Solution: ``` n, k = map(int, input().split()) a = [*map(int, input().split())] li = [] rep = {} res = [0]*n for i in range(n): li.append((a[i],i)) li.sort() b = [[] for i in range(n)] for i in range(k): x, y = map(int, input().split()) b[x-1].append(y-1) ...
output
1
75,628
14
151,257
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,629
14
151,258
Tags: binary search, data structures, implementation Correct Solution: ``` n, k = [int(i) for i in input().split()] a = [int(i) for i in input().split()] ans = [0] * n for i in range(k): x, y = [int(j) - 1 for j in input().split()] if a[x] < a[y]: ans[y] -= 1 if a[x] > a[y]: ans[x] -= 1 d = {} e = {} f = {} for ...
output
1
75,629
14
151,259
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,630
14
151,260
Tags: binary search, data structures, implementation Correct Solution: ``` n, k = map(int, input().split()) s = [int(x) for x in input().split()] s1 = [0] * n m = [] for i in range(k): a, b = sorted([int(x) - 1 for x in input().split()]) if s[a] > s[b]: s1[a] -= 1 elif s[a] != s[b]: s1[b] -=...
output
1
75,630
14
151,261
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,631
14
151,262
Tags: binary search, data structures, implementation Correct Solution: ``` from collections import defaultdict n , k = input().split() n , k = [ int(n) , int(k) ] prog_power = defaultdict(set) prog = [] for ind,x in enumerate(input().split()) : prog_power[int(x)].add(ind+1) prog.append(int(x)) m = defaultdict(...
output
1
75,631
14
151,263
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,632
14
151,264
Tags: binary search, data structures, implementation Correct Solution: ``` n, k = map(int, input().split()) a = list(map(int, input().split())) rec = [] rec1 = {} for i in range(n): rec.append((i, a[i])) rec1[i + 1] = a[i] rec = sorted(rec, key=lambda s: s[1]) num = [0] * n j = 0 for i in range(n): num[r...
output
1
75,632
14
151,265
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,633
14
151,266
Tags: binary search, data structures, implementation Correct Solution: ``` if __name__ == '__main__': n, k = map(int, input().split()) rarr = list(map(int, input().split())) narr = [(0, r, i) for i, r in enumerate(rarr)] for _ in range(k): x, y = map(int, input().split()) x -= 1 ...
output
1
75,633
14
151,267
Provide tags and a correct Python 3 solution for this coding contest problem. In BerSoft n programmers work, the programmer i is characterized by a skill r_i. A programmer a can be a mentor of a programmer b if and only if the skill of the programmer a is strictly greater than the skill of the programmer b (r_a > r_b...
instruction
0
75,634
14
151,268
Tags: binary search, data structures, implementation Correct Solution: ``` def find(num: int): global n, k, sed left, right = -1, n while right - left > 1: mid = (right + left) // 2 # print(mid) if sed[mid] < num: left = mid else: right = mid retur...
output
1
75,634
14
151,269
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n parrots standing in a circle. Each parrot has a certain level of respect among other parrots, namely r_i. When a parrot with respect level x starts chattering, x neighbours to the ri...
instruction
0
75,897
14
151,794
No
output
1
75,897
14
151,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n parrots standing in a circle. Each parrot has a certain level of respect among other parrots, namely r_i. When a parrot with respect level x starts chattering, x neighbours to the ri...
instruction
0
75,898
14
151,796
No
output
1
75,898
14
151,797
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n parrots standing in a circle. Each parrot has a certain level of respect among other parrots, namely r_i. When a parrot with respect level x starts chattering, x neighbours to the ri...
instruction
0
75,899
14
151,798
No
output
1
75,899
14
151,799
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n parrots standing in a circle. Each parrot has a certain level of respect among other parrots, namely r_i. When a parrot with respect level x starts chattering, x neighbours to the ri...
instruction
0
75,900
14
151,800
No
output
1
75,900
14
151,801
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,088
14
152,176
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` def solve(k, l, r, t, x, y): k -= l r -= l if r >= x+y-1: if y < x: if k+y > r: k -= x return t-1 <= int(k//(x-y)) return t <= int(k//(x-y)) return True ...
output
1
76,088
14
152,177
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,089
14
152,178
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` #!/usr/bin/env python # -*- coding: utf-8 -*- # vim:fileencoding=utf-8 import datetime import json import sys import time s = sys.stdin.readline() sa = s.split(' ') k = int(sa[0]) l = int(sa[1]) r = int(sa[2]) t = int(sa[3]) x = int(sa[4])...
output
1
76,089
14
152,179
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,090
14
152,180
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` import sys import math input = sys.stdin.readline # x,y,z=map(int,input().split()) # a = list(map(int,input().split())) # No recursion version def possible(start, volume, days, drink, fill): # print("start: " + str(start) + " volume: " ...
output
1
76,090
14
152,181
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,091
14
152,182
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` k, l, r, t, x, y = map(int, input().split()) if x == y: if k - x >= l or k + y <= r: print ("Yes") else: print ("No") elif x > y: if k + y <= r: k = k + y k = k - (t - 1) * (x - y) k = k - x if ...
output
1
76,091
14
152,183
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,092
14
152,184
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` import sys sys.setrecursionlimit(10**5) int1 = lambda x: int(x)-1 p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.buffer.readline()) def MI(): return map(int, sys.stdin.buffer.readline().split()) def LI(): return list(map(...
output
1
76,092
14
152,185
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,093
14
152,186
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` k, l, r, t, x, y = map(int, input().split()) if x == y: if k+x <= r or k-x >= l: print("Yes") else: print("No") exit(0) if x > y: tot = t*(x-y) if k - tot < l: print("No") elif k + y <= r: print("Yes") else: if k - tot - y < ...
output
1
76,093
14
152,187
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,094
14
152,188
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` k,l,r,t,x,y=map(int,input().split()) import sys if x > y: until = max(0, (k - (r - y) + (x - 1)) // x) t -= until k -= until * x if t <= 0 or k - t*(x-y) >= l: print("Yes") else: print("No") elif x == y: if k + y <= r or k - x >= l...
output
1
76,094
14
152,189
Provide tags and a correct Python 3 solution for this coding contest problem. In recent years John has very successfully settled at his new job at the office. But John doesn't like to idly sit around while his code is compiling, so he immediately found himself an interesting distraction. The point of his distraction w...
instruction
0
76,095
14
152,190
Tags: brute force, graphs, greedy, implementation, math Correct Solution: ``` import sys def main(): def modst(a, s): ret = 1 while s: if s % 2: ret = ret * a % mod a = a * a % mod s //= 2 return ret def Cnk(n, k): return (k...
output
1
76,095
14
152,191
Provide tags and a correct Python 3 solution for this coding contest problem. An army of n droids is lined up in one row. Each droid is described by m integers a1, a2, ..., am, where ai is the number of details of the i-th type in this droid's mechanism. R2-D2 wants to destroy the sequence of consecutive droids of max...
instruction
0
76,251
14
152,502
Tags: binary search, data structures, two pointers Correct Solution: ``` from bisect import bisect_left as bl from bisect import bisect_right as br import heapq import math from collections import * from functools import reduce,cmp_to_key import sys input = sys.stdin.readline # M = mod = 998244353 # def factors(n):re...
output
1
76,251
14
152,503
Provide tags and a correct Python 3 solution for this coding contest problem. An army of n droids is lined up in one row. Each droid is described by m integers a1, a2, ..., am, where ai is the number of details of the i-th type in this droid's mechanism. R2-D2 wants to destroy the sequence of consecutive droids of max...
instruction
0
76,252
14
152,504
Tags: binary search, data structures, two pointers Correct Solution: ``` from heapq import heappush, heappop from sys import setrecursionlimit from sys import stdin from collections import defaultdict setrecursionlimit(1000000007) _data = iter(stdin.read().split('\n')) def input(): return next(_data) n, m, k = [in...
output
1
76,252
14
152,505
Provide tags and a correct Python 3 solution for this coding contest problem. An army of n droids is lined up in one row. Each droid is described by m integers a1, a2, ..., am, where ai is the number of details of the i-th type in this droid's mechanism. R2-D2 wants to destroy the sequence of consecutive droids of max...
instruction
0
76,253
14
152,506
Tags: binary search, data structures, two pointers Correct Solution: ``` from sys import * from collections import * f = lambda: map(int, stdin.readline().split()) n, m, k = f() p = [0] * m d, x = -1, 0 q = [deque() for i in range(m)] for y in range(n): t = list(f()) s = 0 for a, b in zip(q, t): whi...
output
1
76,253
14
152,507