Submission #667582

#TimeUsernameProblemLanguageResultExecution timeMemory
667582berrRoads (CEOI20_roads)C++17
0 / 100
1 ms340 KiB
#include <bits/stdc++.h> using namespace std; const int N=1e5+37; //1.st subtask all are vertical signed main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin>>n; vector<array<int, 2>> node(2*n+1); vector<array<int, 2>> q; for(int i=1; i<=n*2; i+=2) { cin>>node[i][0]>>node[i][1]; cin>>node[i+1][0]>>node[i+1][1]; if(node[i+1][1]>node[i][1]) { q.push_back({node[i+1][0], i+1}); } else { q.push_back({node[i][0], i}); } } sort(q.begin(), q.end()); for(int i=0; i<q.size()-1; i++) { cout<<node[q[i][1]][0]<<" "<<node[q[i][1]][1]<<" "<<node[q[i+1][1]][0]<<" "<<node[q[i+1][1]][1]<<"\n"; } }

Compilation message (stderr)

roads.cpp: In function 'int main()':
roads.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=0; i<q.size()-1; i++)
      |                  ~^~~~~~~~~~~
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