Submission #156330

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1563302019-10-05 07:09:04AkashiPipes (CEOI15_pipes)C++14
10 / 100
2887 ms65540 KiB
#include <bits/stdc++.h>
using namespace std;
struct dsu{
int TT[100001];
void init(int n){
for(int i = 1; i <= n ; ++i) TT[i] = i;
}
void unite(int x, int y){TT[x] = y;}
int find(int x){
int R = x;
while(R != TT[R]) R = TT[R];
while(x != TT[x]){
int aux = TT[x];
TT[x] = R;
x = aux;
}
return R;
}
};
dsu A, B;
int n, m;
int low[100001], h[100001];
 
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Compilation message (stderr)

pipes.cpp: In function 'int main()':
pipes.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
pipes.cpp:57:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~
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