Submission #164500

#	Time	Username	Problem	Language	Result	Execution time	Memory
164500		itgl	Schools (IZhO13_school)	C++14	5 / 100	391 ms	10080 KiB

school

#include<bits/stdc++.h>
#define ss second
#define pb push_back
#define mp make_pair
#define ff first

using namespace std;

int n,m,s;
vector<pair<int,int> > dp,dp1;
int main(){
  cin >> n >> m >> s;

  for(int i=1;i<=n;i++){
    int x,y;
    cin >> x >> y;
    dp.pb(mp(x,i));
    dp1.pb(mp(y,i));
  }

  sort(dp.begin(),dp.end());
  sort(dp1.begin(),dp1.end());
  int res=0;
  for(int i=n-1;i>=0;i--){

    if(m>0&&s>0){
      if(dp[i].ss!=dp1[i].ss){
        m--;
        s--;
        res+=dp[i].ff;
        res+=dp1[i].ff;
      }
      else{
        if(dp[i-1].ff+dp1[i].ff>dp1[i-1].ff+dp[i].ff){
          res+=dp[i-1].ff;
          res+=dp1[i].ff;
          i--;
          m--;
          s--;
        }
        else{
          res+=dp1[i-1].ff;
          res+=dp[i].ff;
          i--;
          m--;
          s--;
        }
      }
    }
    if(m>0&&s==0){
      res+=dp[i].ff;
      m--;
    }
    if(m==0&&s>0){
      res+=dp1[i].ff;
      s--;
    }
    if(m<0&&s<0) break;
  }

  cout << res;
  return 0;
}

• Subtask 1: 5 / 100