Submission #2010354

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <map>

using namespace std;

int main(){
  int n;
  scanf("%d", &n);

  vector<int> a(n), b(n);
  for(int i = 0; i < n; i++){
    scanf("%d %d", &a[i], &b[i]);
  }

  long long ans = 0;
  for(int i = n - 1; i >= 0; i--){
    int num = a[i] + ans;
    if(num % b[i] == 0){
      continue;
    }else{
      if(num < b[i]){
        ans += b[i] - num;
      }else{
        ans += (b[i] * ((num / b[i]) + 1)) - num;
      }
    }
  }

  printf("%lld\n", ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
                  ^
./Main.cpp:17:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a[i], &b[i]);
                                 ^

Judge Result