제출 #740663

#제출 시각아이디문제언어결과실행 시간메모리
740663Prieved1Potatoes and fertilizers (LMIO19_bulves)C++17
24 / 100
270 ms10828 KiB
#include<bits/stdc++.h>
using namespace std;
int main () {
  int n;
  cin >> n;
  int a[n], b[n];
  long long sum=0, move=0;
  for(int i = 0;i<n;i++) {
    cin >> a[i] >> b[i];
    move+=a[i];
    sum+=abs(move-b[i]);
    move-=b[i];
  }
  cout << sum << "\n";
}
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