这题不需要这么麻烦吧
by Eliboy @ 2023-05-24 22:36:20
直接打钩
by Eliboy @ 2023-05-24 22:39:25
```cpp
#include<bits/stdc++.h>
using namespace std;
int a[10005];
int main(){
int L,m,s=0,t,w;
cin>>L>>m;
for(int i=0;i<=L;i++)a[i]=1;
for(int i=1;i<=m;i++){
cin>>t>>w;
for(int j=t;j<=w;j++)a[j]=0;
}
for(int i=0;i<=L;i++) s+=a[i];
cout<<s<<endl;
return 0;
}
```
by Eliboy @ 2023-05-24 22:40:07
咋这么麻烦??????
这道题很简单,可以用简单的方法做,不需要用这么复杂的算法ovo
by 2789617221guo @ 2023-12-23 20:36:31