样例都对,5WA5RE
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样例都对,5WA5RE
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you_ya_zhi_shen楼主2025/8/31 10:59
#include<bits/stdc++.h>
using namespace std;
struct a{
	int b,c;
};
a d[10010];
int main(){
	int n,sum=0,man=0;
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>d[i].b>>d[i].c;
	for(int i=1;i<=n;i++){
		if(d[i].b==man){
			sum++;
			man=d[i].c;
		}
		else
			man++;
	}
	cout<<sum;
	return 0;
}
2025/8/31 10:59
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