Submission #1073896

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Source Code Expand

#include<cstdio>
#include<iostream>
#include<vector>
#include<set>
#include<algorithm>
using namespace std;
long long int a[100009],b[100009],c[100009];
int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i];
	}
	long long int cur=0;
	for(int i=n-1;i>=0;i--){
		a[i]+=cur;
		c[i]=b[i]-a[i]%b[i];
		if(a[i]%b[i]==0)c[i]=0;
		cur+=c[i];
	}
	cout<<cur<<endl;
	return 0;
}

Submission Info

Judge Result