@[liangcha_crush](/user/1129279) 第6行,M和L输入顺序反了
by watergod @ 2023-11-29 21:04:00
@[liangcha_crush](/user/1129279)
`cin>>M>>L;`
改成:
`cin>>L>>M;`
by 2021zjhs005 @ 2023-11-29 21:19:24
@[watergod](/user/809399) 谢谢dalao
by liangcha_crush @ 2023-11-29 21:45:50
有个问题 如果说输入的两个数s=100 e=200
在循环中不应该是int j=s-1(99),j<=e-1(199)吗 数组不是从0开始的吗
by zzlovequq @ 2023-12-01 16:27:29
```c
#include<iostream>
using namespace std;
bool a[10005];
int main() {
int l,m;
cin>>l>>m;
for(int i=0;i<=l;i++){
a[i]=1;
}
for(int i=1;i<=m;i++){
int b,c;
cin>>b>>c;
for(int j=b;j<=c;j++){
a[j]=0;
}
}
int cnt=0;
for(int i=0;i<=l;i++){
if(a[i]==1){
cnt++;
}
}
cout<<cnt;
return 0;
}
```
by zengyijian @ 2023-12-09 20:08:11