제출 #397615

#제출 시각아이디문제언어결과실행 시간메모리
397615victoriadTuna (COCI17_tuna)C++14
50 / 50
1 ms320 KiB
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <utility>
#include <queue>
#include <map>
#include <iomanip>
#include <fstream>
using namespace std;


int main(){
  ios::sync_with_stdio(false);
   cin.tie(NULL);
   int n,x,a,b,c,r=0;
   cin>>n>>x;
   for(int i=0;i<n;i++){
     cin>>a>>b;
     int y=abs(a-b);
     if(y<=x){
       r+=max(a,b);
     }
     else{
       cin>>c;
       r+=c;
     }
   }
  cout<<r;
  return 0;
}
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