Submission #52109244

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int main() {
  int N,A,C,aru,maxs,jj;
  maxs=0;
  jj=0;
  cin >> N;
  vector<vector<int>> mins(N,vector<int>(2,-1));
  cin >> A >> C;
  mins.at(0).at(0)=C;
  mins.at(0).at(1)=A;
  for(int i=1; i<N; i++){
    aru=0;
    cin >> A >> C;
    for(int j=0; j<mins.size()-1; j++){
        if(mins.at(j).at(0)==-1){
            jj=j;
            break;
        }
        if(C==mins.at(j).at(0)){
            aru=1;
            mins.at(j).at(1)=min(mins.at(j).at(1),A);
            break;
        }
    }
    if(aru==0){
        mins.at(jj).at(0)=(C);
        mins.at(jj).at(1)=(A);
    }
  }
  for(int k=0; k<mins.size(); k++){
    maxs=max(maxs,mins.at(k).at(1));
  }
  cout << maxs << endl;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:15:19: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<std::vector<int> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   15 |     for(int j=0; j<mins.size()-1; j++){
      |                  ~^~~~~~~~~~~~~~
Main.cpp:31:17: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<std::vector<int> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   31 |   for(int k=0; k<mins.size(); k++){
      |                ~^~~~~~~~~~~~

Judge Result