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Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,480
3
144,960
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * n def find(self, x): if self.parents[x] < 0: return x else: self.parents[x] = self.find(...
output
1
72,480
3
144,961
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,481
3
144,962
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` import sys n,m,q=map(int,input().split()) p=[-1]*(n+m) r=[0]*(n+m) def par(i): if p[i]==-1: return i p[i]=par(p[i]) return p[i] def merge(a,b): a,b=par(a),par(b) if a==b: return 0 if r[a]<r[b]:p[a]=b elif r[b]<r[a]:p[b]=a...
output
1
72,481
3
144,963
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,482
3
144,964
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` n,m,q = map(int,input().split()) f = [-1]*(n+m+1) def find(x): if f[x]==-1: return x else: f[x] = find(f[x]) return f[x] ans = n+m-1 for i in range(q): r,c = map(int,input().split()) c+=n ...
output
1
72,482
3
144,965
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,483
3
144,966
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` class UnionFind: def __init__(self, n): self.par = [-1]*n self.rank = [0]*n def Find(self, x): if self.par[x] < 0: return x else: self.par[x] = self.Find(self.par[...
output
1
72,483
3
144,967
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,484
3
144,968
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` from sys import stdin class DSU: def __init__(self, n) -> None: self.parent = [i for i in range(n)] self.rank =[0]*n def find_set(self, v): w = v parent = self.parent while paren...
output
1
72,484
3
144,969
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,485
3
144,970
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` """ https://codeforces.com/contest/1012/problem/B """ from sys import stdin, stdout class UnionFind(): def __init__(self, arr=[]): self.rank = {} self.leader = {} for i in arr: self.rank...
output
1
72,485
3
144,971
Provide tags and a correct Python 3 solution for this coding contest problem. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can be described by its coordinates (r, c) (1 ≤ r ≤ ...
instruction
0
72,486
3
144,972
Tags: constructive algorithms, dfs and similar, dsu, graphs, matrices Correct Solution: ``` from collections import deque import os from io import BytesIO input = BytesIO(os.read(0, os.fstat(0).st_size)).readline n,m,q = map(int,input().split()) mn = m + n cr = [[] for i in range(mn)] ca = [-1]*(mn) for i in range(q):...
output
1
72,486
3
144,973
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,487
3
144,974
Yes
output
1
72,487
3
144,975
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,488
3
144,976
Yes
output
1
72,488
3
144,977
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,489
3
144,978
Yes
output
1
72,489
3
144,979
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,490
3
144,980
No
output
1
72,490
3
144,981
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,491
3
144,982
No
output
1
72,491
3
144,983
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,492
3
144,984
No
output
1
72,492
3
144,985
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Innopolis University scientists continue to investigate the periodic table. There are n·m known elements and they form a periodic table: a rectangle with n rows and m columns. Each element can b...
instruction
0
72,493
3
144,986
No
output
1
72,493
3
144,987
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,925
3
145,850
Yes
output
1
72,925
3
145,851
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,926
3
145,852
Yes
output
1
72,926
3
145,853
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,927
3
145,854
Yes
output
1
72,927
3
145,855
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,928
3
145,856
Yes
output
1
72,928
3
145,857
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,929
3
145,858
No
output
1
72,929
3
145,859
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,931
3
145,862
No
output
1
72,931
3
145,863
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing mach...
instruction
0
72,932
3
145,864
No
output
1
72,932
3
145,865
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,054
3
146,108
Tags: greedy, sortings Correct Solution: ``` from bisect import * from collections import defaultdict n,k = map(int,input().split()) l = list(map(int,input().split())) l.sort() hash = defaultdict(int) for i in l: hash[i]+=1 la = list(set(l)) la.sort() count = 0 # print(la) yo = set() for j,i in enumerate(la...
output
1
73,054
3
146,109
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,055
3
146,110
Tags: greedy, sortings Correct Solution: ``` line = list(map(int,input().split())) n = line[0] k = line[1] a = list(map(int,input().split())) freq = {} for x in a: if x in freq: freq[x] += 1 else: freq[x] = 1 a = list(set(a)) #remove dupes a.sort() #print(str(a)) #print(str(freq)) for i in r...
output
1
73,055
3
146,111
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,056
3
146,112
Tags: greedy, sortings Correct Solution: ``` if __name__ == "__main__": n, K= map(int, input().split()) a = list(map(int, input().split())) a.sort() cnt = 0 c = 1 for i in range(1,n): if a[i]==a[i-1]: c+=1 elif a[i]<=a[i-1]+K: cnt+=c c=1 ...
output
1
73,056
3
146,113
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,057
3
146,114
Tags: greedy, sortings Correct Solution: ``` from collections import Counter I = lambda: map(int, input().split()) _, K = I() C = Counter(I()) prev = 0 for a in sorted(C): if a - prev <= K: C[prev] = 0 prev = a print(sum(C.values())) ```
output
1
73,057
3
146,115
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,058
3
146,116
Tags: greedy, sortings Correct Solution: ``` n,k=map(int,input().split()) l=list(map(int,input().split())) l.sort() d={} for i in l: try: d[i]+=1 except: d.update({i:0}) d[i]+=1 i,j,c=1,0,0 while True: if i>=n or j>=n: break if l[i]>l[j] and l[i]<=l[j]+k: c+=d[l[j]] i+=1 j+=1 elif l[i]==l[j]: i+=1...
output
1
73,058
3
146,117
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,059
3
146,118
Tags: greedy, sortings Correct Solution: ``` n, k = list(map(int, input().split())) a = list(map(int, input().split())) a.sort(reverse=True) ans = 1 i = 1 while i < len(a): if a[i - 1] > a[i]: while i < len(a) and a[i] + k >= a[i - 1]: i += 1 i += 1 if i - 1 < len(a): ans += 1 print(ans) ```
output
1
73,059
3
146,119
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,060
3
146,120
Tags: greedy, sortings Correct Solution: ``` n, k = map(int, input().split()) x = list(map(int, input().split())) x.sort() y = 0 d=0 for i in range(n-1): if x[i+1]>x[i] and x[i+1]<=x[i]+k: y+=1+d d=0 if x[i+1]==x[i]: d+=1 if x[i+1]!= x[i]: d=0 print(n-y) ```
output
1
73,060
3
146,121
Provide tags and a correct Python 3 solution for this coding contest problem. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that you have n bacteria in the Petri dish and size of...
instruction
0
73,061
3
146,122
Tags: greedy, sortings Correct Solution: ``` def main(): n, k = map(int, input().split()) content= sorted(map(int, input().split())) double = 0 answer = 1 if len(content) == 1: print(1) return j = 1 while j < len(content): if content[j] > content[j - 1]: ...
output
1
73,061
3
146,123
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,062
3
146,124
Yes
output
1
73,062
3
146,125
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,063
3
146,126
Yes
output
1
73,063
3
146,127
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,064
3
146,128
Yes
output
1
73,064
3
146,129
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,065
3
146,130
Yes
output
1
73,065
3
146,131
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,066
3
146,132
No
output
1
73,066
3
146,133
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,067
3
146,134
No
output
1
73,067
3
146,135
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,068
3
146,136
No
output
1
73,068
3
146,137
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You have a Petri dish with bacteria and you are preparing to dive into the harsh micro-world. But, unfortunately, you don't have any microscope nearby, so you can't watch them. You know that yo...
instruction
0
73,069
3
146,138
No
output
1
73,069
3
146,139
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,151
3
146,302
"Correct Solution: ``` import sys input = sys.stdin.readline def main(): def find(x): if par[x] < 0: return x else: px = find(par[x]) wei[x] += wei[par[x]] par[x] = px return px def weight(x): find(x) return wei[x] ...
output
1
73,151
3
146,303
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,152
3
146,304
"Correct Solution: ``` def find(x): ''' xの根を求める ''' if par[x] < 0: return x else: p = find(par[x]) diff_w[x] += diff_w[par[x]] par[x] = p return p def weight(x): ''' xの根からの距離を求める ''' find(x) return diff_w[x] def union(x, y, w): ''' ...
output
1
73,152
3
146,305
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,153
3
146,306
"Correct Solution: ``` N,M = map(int,input().split()) A = [[] for i in range(N)] for i in range(M) : l,r,d = map(int,input().split()) l -= 1 r -= 1 A[l].append([r,d]) A[r].append([l,-d]) ans = "Yes" distance = ["#" for i in range(N)] flg = 0 for i in range(N) : if flg : ...
output
1
73,153
3
146,307
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,154
3
146,308
"Correct Solution: ``` #設定 import sys input = sys.stdin.buffer.readline #ライブラリインポート from collections import defaultdict #入力受け取り def getlist(): return list(map(int, input().split())) class WeightedUnionFind: def __init__(self, n): self.par = [i for i in range(n + 1)] self.rank = [0] * (n + 1) ...
output
1
73,154
3
146,309
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,155
3
146,310
"Correct Solution: ``` import sys sys.setrecursionlimit(100000) def check(i, xs, checked): xi = xs[i] children = set() for j, d in links[i]: if checked[j]: continue if j not in xs: xs[j] = xi + d elif xi + d != xs[j]: return False childr...
output
1
73,155
3
146,311
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,156
3
146,312
"Correct Solution: ``` import sys n,m=map(int,input().split()) lrd=[list(map(int,input().split())) for i in range(m)] x=["a"]*(n+1) #iより右にいるデータ R=[[] for i in range(n+1)] L=[[] for i in range(n+1)] for u in lrd: l,r,d=u R[l].append([r,d]) L[r].append([l,d]) for i in range(1,n+1): if x[i]=="a": x...
output
1
73,156
3
146,313
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,157
3
146,314
"Correct Solution: ``` N, M = [int(_) for _ in input().split()] LRD = [[int(_) for _ in input().split()] for _ in range(M)] G = {} for l, r, d in LRD: l -= 1 r -= 1 #0-indexed G[l] = G.get(l, {}) G[r] = G.get(r, {}) G[l][r] = d G[r][l] = -d INF = float('inf') D = [INF] * N for i in range(N):...
output
1
73,157
3
146,315
Provide a correct Python 3 solution for this coding contest problem. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is standing at the same coordinate. You will given M pieces of ...
instruction
0
73,158
3
146,316
"Correct Solution: ``` import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline class WeightedUnionFind: def __init__(self, N): self.par = [i for i in range(N)] self.rank = [0] * N self.weight = [0] * N # 親までの距離 def find(self, x): if self.par[x] == x: ...
output
1
73,158
3
146,317
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is stand...
instruction
0
73,159
3
146,318
Yes
output
1
73,159
3
146,319
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is stand...
instruction
0
73,160
3
146,320
Yes
output
1
73,160
3
146,321
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is stand...
instruction
0
73,161
3
146,322
Yes
output
1
73,161
3
146,323
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is stand...
instruction
0
73,162
3
146,324
Yes
output
1
73,162
3
146,325
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N people standing on the x-axis. Let the coordinate of Person i be x_i. For every i, x_i is an integer between 0 and 10^9 (inclusive). It is possible that more than one person is stand...
instruction
0
73,163
3
146,326
No
output
1
73,163
3
146,327