[Offer收割]编程练习赛45 register

Ended

Participants:125

Verdict:Time Limit Exceeded
Score:70 / 100
Submitted:2018-01-21 12:41:10

Lang:G++

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#include<iostream>
#include<cstdio>
const int Max=100000+50;
using namespace std;
int b[Max];
int c[Max];
int main(){
    //freopen("data.in","r",stdin);
    //freopen("data.out","w",stdout);
    int n,a,d;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%d%d",&a,&d);
        b[i]=a-d;
        c[i]=d-a;
    }
    int sum=0;
    for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++)
         if(b[i]==c[j])
          sum++;
    }
    printf("%d\n",sum);
    return 0;
    
}
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