出门右转有题解
by Andysun06 @ 2020-02-07 13:33:53
要打换行吧
by liqingyang @ 2020-02-07 13:34:46
还有%d%d为什么要有空格？
by liqingyang @ 2020-02-07 13:35:21
@[axian_97](/user/316387)
AC code:
```
#include<cstdio>
#include<cstring>
using namespace std;
int a[10005];
int main()
{
int l,m,i,j,p1,p2,result=0;
scanf("%d%d",&l,&m);
for(i=1;i<=m;i++)
{
scanf("%d%d",&p1,&p2);
for(j=p1;j<=p2;j++)
a[j]=1;
}
for(i=0;i<=l;i++)
if(a[i]==0)
result++;
printf("%d",result);
return 0;
}
```
by AT·小苏苏 @ 2020-02-07 13:39:27
提交的时候num没有初始化
by pjykk @ 2020-02-07 13:40:43
初始化了啊
by liqingyang @ 2020-02-07 13:43:32
num=0
by liqingyang @ 2020-02-07 13:43:40
@[liqingyang](/user/272088) 是提交的时候
by pjykk @ 2020-02-07 13:44:20
你看提交记录就知道了
by pjykk @ 2020-02-07 13:44:30
哦
by liqingyang @ 2020-02-07 13:44:59