Submission #285023

#TimeUsernameProblemLanguageResultExecution timeMemory
2850233zpAesthetic (NOI20_aesthetic)C++14
0 / 100
334 ms98172 KiB
#include<bits/stdc++.h> #define int long long using namespace std; const int N = 3000009; vector<pair<int,int> > v[N]; int ea[N],eb[N],ec[N],g[N],f[N]; /* 00000111111 */ void ad(int x){ g[x] = 1; for(auto E : v[x]){ int y = E.first, i = E.second; if(g[y] == 1) f[i] = 0; if(g[y] == 0) f[i] = 1; } } int A = 0; main(){ ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; for(int i = 0; i < m; i++){ cin>>ea[i]>>eb[i]>>ec[i]; } for(int i = m-1; i >= 0; i--){ int a = ea[i], b = eb[i], c = ec[i]; v[a].push_back({b,i}); v[b].push_back({a,i}); } for(int i=1;i<= n; i++) ad(i); }

Compilation message (stderr)

Aesthetic.cpp:20:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main(){
      |      ^
Aesthetic.cpp: In function 'int main()':
Aesthetic.cpp:29:35: warning: unused variable 'c' [-Wunused-variable]
   29 |         int a = ea[i], b = eb[i], c = ec[i];
      |                                   ^
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