Submission #1300858

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <unordered_map>
#include <unordered_set>
#include <algorithm>
#include <cstring>
#include <stack>
#include <queue>
#include <vector>
#include <map>
#include <cmath>
#include <cassert>
#include <set>
#include <complex>
#include <bitset>
#include <sstream>
#include <iomanip>
#include <numeric>
#include <climits>
#include <string>


#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define endl '\n'
#define EPS 1e-7
#define io  ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define file freopen ("in.txt", "r", stdin),freopen ("out.txt", "w", stdout);
#define mid ((st + en) >> 1)
#define fileIn freopen ("in.txt", "r", stdin);
#define all(v) ((v).begin()), ((v).end())
#define de(a) #a<<" = "<<a


using namespace std;

typedef pair<int, int> pii;
typedef long long ll;
typedef unsigned long long ull;

const int N = 3e5 + 5;

int n;
int a[N], b[N];

int main () {
#ifndef ONLINE_JUDGE
  fileIn;
#endif
  cin >> n;
  for(int i = 0; i < n; i++) {
    scanf("%d%d", &a[i], &b[i]);
  }
  ll cnt = 0;
  for(int i = n - 1; i >= 0; i--) {
    cnt += (b[i] - (a[i] + cnt) % b[i]) % b[i];
  }
  cout << cnt << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:32:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
 #define fileIn freopen ("in.txt", "r", stdin);
                                              ^
./Main.cpp:50:3: note: in expansion of macro ‘fileIn’
   fileIn;
   ^
./Main.cpp:54:32: 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