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Provide tags and a correct Python 3 solution for this coding contest problem. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is said to be the superior of another employee B i...
instruction
0
1,715
14
3,430
Tags: dfs and similar, graphs, trees Correct Solution: ``` from collections import deque def bfs(u): global n, al, dist, prev, used q = deque() q.append(u) md = 1 used[u] = True while len(q) > 0: v = q.popleft() for i in al[v]: if not used[i]: used[i]...
output
1
1,715
14
3,431
Provide tags and a correct Python 3 solution for this coding contest problem. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is said to be the superior of another employee B i...
instruction
0
1,716
14
3,432
Tags: dfs and similar, graphs, trees Correct Solution: ``` def findDepth(a, i): depth = 1 nextLevel = a[i][:] while len(nextLevel) > 0: depth += 1 children = nextLevel[:] nextLevel = [] for child in children: nextLevel += a[child] return depth n = int...
output
1
1,716
14
3,433
Provide tags and a correct Python 3 solution for this coding contest problem. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is said to be the superior of another employee B i...
instruction
0
1,717
14
3,434
Tags: dfs and similar, graphs, trees Correct Solution: ``` n=int(input()) p=[int(input())-1 for i in range(n)] m=0 for i in range(len(p)): c=0 while i!=-2: c+=1 i=p[i] m=max(c,m) print(m) # Made By Mostafa_Khaled ```
output
1
1,717
14
3,435
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,718
14
3,436
Yes
output
1
1,718
14
3,437
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,719
14
3,438
Yes
output
1
1,719
14
3,439
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,720
14
3,440
Yes
output
1
1,720
14
3,441
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,721
14
3,442
Yes
output
1
1,721
14
3,443
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,722
14
3,444
No
output
1
1,722
14
3,445
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,723
14
3,446
No
output
1
1,723
14
3,447
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,724
14
3,448
No
output
1
1,724
14
3,449
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is another employee with a different number. An employee A is ...
instruction
0
1,725
14
3,450
No
output
1
1,725
14
3,451
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,861
14
3,722
Yes
output
1
1,861
14
3,723
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,862
14
3,724
Yes
output
1
1,862
14
3,725
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,863
14
3,726
Yes
output
1
1,863
14
3,727
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,864
14
3,728
Yes
output
1
1,864
14
3,729
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,865
14
3,730
No
output
1
1,865
14
3,731
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,866
14
3,732
No
output
1
1,866
14
3,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,867
14
3,734
No
output
1
1,867
14
3,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan is a programming teacher. During the academic year, he plans to give n lectures on n different topics. Each topic should be used in exactly one lecture. Ivan wants to choose which topic wil...
instruction
0
1,868
14
3,736
No
output
1
1,868
14
3,737
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,869
14
3,738
Tags: dp Correct Solution: ``` f = lambda: map(int, input().split()) n, m = f() u = [0] for i in range(n): t = list(f()) k = t[0] for i in range(1, k): t[i + 1] += t[i] v = [t[k]] * (k + 1) v[0] = t[0] = 0 for d in range(1, k): v[k - d] -= min(t[j + d] - t[j] for j in range(k - d + 1)) ...
output
1
1,869
14
3,739
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,870
14
3,740
Tags: dp Correct Solution: ``` def mem(ind,j): if(ind == n): return 0 if(dp2[ind][j] != -1): return dp2[ind][j] ans = 0 for i in range(min(j,sz[ind])+1): ans = max(ans,dp[ind][i]+mem(ind+1,j-i)) dp2[ind][j] = ans return ans n,m = map(int,input().split()) sz = [0 for i in range(n)] dp = [] for y in range(n)...
output
1
1,870
14
3,741
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,871
14
3,742
Tags: dp Correct Solution: ``` f = lambda: list(map(int, input().split())) def g(t): n = t[0] for i in range(1, n): t[i + 1] += t[i] p = [t[n]] * (n + 1) p[n] = t[0] = 0 for d in range(1, n): p[d] -= min(t[j + d] - t[j] for j in range(n - d + 1)) return p[::-1] n, m = f() u = g(f()) fo...
output
1
1,871
14
3,743
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,872
14
3,744
Tags: dp Correct Solution: ``` import io, os input = io.StringIO(os.read(0, os.fstat(0).st_size).decode()).readline n, m = map(int, input().split()) dp = [0] * (m + 1) for i in range(n): a = list(map(int, input().split())) t = sum(a[1:]) b = [0] * (a[0] + 1) b[-1] = t for i in range(0, len(a)): ...
output
1
1,872
14
3,745
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,873
14
3,746
Tags: dp Correct Solution: ``` f = lambda: list(map(int, input().split())) def g(t): n = t[0] t[0] = 0 for i in range(1, n): t[i + 1] += t[i] p = [t[n]] * (n + 1) p[n] = 0 for d in range(1, n): p[d] -= min(t[j + d] - t[j] for j in range(n - d + 1)) p.reverse() return p def h(u)...
output
1
1,873
14
3,747
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,874
14
3,748
Tags: dp Correct Solution: ``` #!/usr/bin/env python3 import os import sys from io import BytesIO, IOBase class FastO: def __init__(self, fd=1): stream = BytesIO() self.flush = lambda: os.write(fd, stream.getvalue()) and not stream.truncate(0) and stream.seek(0) self.write = lambda b: stre...
output
1
1,874
14
3,749
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,875
14
3,750
Tags: dp Correct Solution: ``` #!/usr/bin/env python3 import os import sys from io import BytesIO, IOBase class FastO: def __init__(self, fd=1): stream = BytesIO() self.flush = lambda: os.write(fd, stream.getvalue()) and not stream.truncate(0) and stream.seek(0) self.write = lambda b: stre...
output
1
1,875
14
3,751
Provide tags and a correct Python 3 solution for this coding contest problem. During her tantrums the princess usually smashes some collectable porcelain. Every furious shriek is accompanied with one item smashed. The collection of porcelain is arranged neatly on n shelves. Within each shelf the items are placed in o...
instruction
0
1,876
14
3,752
Tags: dp Correct Solution: ``` #!/usr/bin/env python3 import os import sys from io import BytesIO, IOBase class FastO: def __init__(self, fd=1): stream = BytesIO() self.flush = lambda: os.write(fd, stream.getvalue()) and not stream.truncate(0) and stream.seek(0) self.write = lambda b: strea...
output
1
1,876
14
3,753
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One fine October day a mathematics teacher Vasily Petrov went to a class and saw there n pupils who sat at the <image> desks, two people at each desk. Vasily quickly realized that number n is ev...
instruction
0
1,914
14
3,828
No
output
1
1,914
14
3,829
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One fine October day a mathematics teacher Vasily Petrov went to a class and saw there n pupils who sat at the <image> desks, two people at each desk. Vasily quickly realized that number n is ev...
instruction
0
1,915
14
3,830
No
output
1
1,915
14
3,831
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One fine October day a mathematics teacher Vasily Petrov went to a class and saw there n pupils who sat at the <image> desks, two people at each desk. Vasily quickly realized that number n is ev...
instruction
0
1,916
14
3,832
No
output
1
1,916
14
3,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One fine October day a mathematics teacher Vasily Petrov went to a class and saw there n pupils who sat at the <image> desks, two people at each desk. Vasily quickly realized that number n is ev...
instruction
0
1,917
14
3,834
No
output
1
1,917
14
3,835
Provide tags and a correct Python 3 solution for this coding contest problem. Little Robber Girl likes to scare animals in her zoo for fun. She decided to arrange the animals in a row in the order of non-decreasing height. However, the animals were so scared that they couldn't stay in the right places. The robber gir...
instruction
0
2,098
14
4,196
Tags: constructive algorithms, implementation, sortings Correct Solution: ``` def zoo(lst): result = list() for i in range(len(lst) + 2): for j in range(len(lst) - 1): if lst[j] > lst[j + 1]: result.append([j + 1, j + 2]) lst[j], lst[j + 1] = lst[j + 1], lst[j...
output
1
2,098
14
4,197
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,167
14
4,334
Tags: greedy, implementation, two pointers Correct Solution: ``` n = int(input()) l = [int(x) for x in input().split()] max_claw = 0 alive_count = 1 for i in range(n-1, -1, -1): max_claw = max(max_claw, l[i]) if max_claw == 0 and i > 0: alive_count += 1 else: max_claw -= 1 print(alive_cou...
output
1
2,167
14
4,335
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,168
14
4,336
Tags: greedy, implementation, two pointers Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) kill = 0 minus = 0 s = [] for i in range(n - 1, -1, -1): if kill > 0: kill -= 1; minus += 1; kill = max(kill, a[i]) print(n - minus) ```
output
1
2,168
14
4,337
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,169
14
4,338
Tags: greedy, implementation, two pointers Correct Solution: ``` if __name__ == "__main__": n = int(input()) t = list(map(int, input().split())) a = [0] * n for i in range(n): a[max(0, i - t[i])] += 1 a[i] -= 1 res = 0 for i in range(n): if i > 0: a[i] += a[i - 1] if a[i] == 0: ...
output
1
2,169
14
4,339
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,170
14
4,340
Tags: greedy, implementation, two pointers Correct Solution: ``` q=int(input()) a=list(map(int,input().split())) ans=0 t=q for i in range(q-1,-1,-1): if t>i: ans+=1 t=min(t,i-a[i]) print(ans) ```
output
1
2,170
14
4,341
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,171
14
4,342
Tags: greedy, implementation, two pointers Correct Solution: ``` n = int(input()) claws = list(map(int, input().split())) c = 0 r = n for claw in reversed(claws): if c > 0: r -= 1 c = max(c - 1, claw) print(r) ```
output
1
2,171
14
4,343
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,172
14
4,344
Tags: greedy, implementation, two pointers Correct Solution: ``` #10 #1 1 3 0 0 0 2 1 0 3 n = int(input()) lv = list(map(int,input().strip().split(' '))) ans = 0 safe = n i = n while i > 0: if i <= safe: ans += 1 safe = min(safe,i - lv[i-1] - 1) if safe < 0: break i -= 1 print(ans) ```
output
1
2,172
14
4,345
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,173
14
4,346
Tags: greedy, implementation, two pointers Correct Solution: ``` #Wrath n = int(input()) l = list(map(int, input().split())) i = n - 1 j = n - 1 count = 0 while j >= 0 and i >= 0: if j >= i: count += 1 j = i - l[i] - 1 if i - l[i] <= j: j = i - l[i] - 1 i -= 1 print(count) ```
output
1
2,173
14
4,347
Provide tags and a correct Python 3 solution for this coding contest problem. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All people kill others at the same time. Namely, the i-...
instruction
0
2,174
14
4,348
Tags: greedy, implementation, two pointers Correct Solution: ``` n = int(input()) l = list(map(int, input().split())) left = n - 1 right = n - 1 ans = 0 for i in range(n-1, -1, -1): right = i if left == right: ans += 1 left = min(left, right - l[i] - 1) print(ans) ```
output
1
2,174
14
4,349
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,175
14
4,350
Yes
output
1
2,175
14
4,351
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,176
14
4,352
Yes
output
1
2,176
14
4,353
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,177
14
4,354
Yes
output
1
2,177
14
4,355
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,178
14
4,356
Yes
output
1
2,178
14
4,357
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,179
14
4,358
No
output
1
2,179
14
4,359
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,180
14
4,360
No
output
1
2,180
14
4,361
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,181
14
4,362
No
output
1
2,181
14
4,363
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Hands that shed innocent blood! There are n guilty people in a line, the i-th of them holds a claw with length Li. The bell rings and every person kills some of people in front of him. All peop...
instruction
0
2,182
14
4,364
No
output
1
2,182
14
4,365
Provide a correct Python 3 solution for this coding contest problem. Joisino is working as a receptionist at a theater. The theater has 100000 seats, numbered from 1 to 100000. According to her memo, N groups of audiences have come so far, and the i-th group occupies the consecutive seats from Seat l_i to Seat r_i (...
instruction
0
2,319
14
4,638
"Correct Solution: ``` n = int(input()) cnt = 0 for i in range(n): l,r = map(int,input().split());cnt += r-l+1 print(cnt) ```
output
1
2,319
14
4,639
Provide a correct Python 3 solution for this coding contest problem. Joisino is working as a receptionist at a theater. The theater has 100000 seats, numbered from 1 to 100000. According to her memo, N groups of audiences have come so far, and the i-th group occupies the consecutive seats from Seat l_i to Seat r_i (...
instruction
0
2,320
14
4,640
"Correct Solution: ``` N=int(input()) ans=0 for i in range(N): l,r=map(int,input().split()) ans+=abs(l-r)+1 print(ans) ```
output
1
2,320
14
4,641