@[TNT_666](/user/1219162)
int i,j,k,m,n,l,sum=0;
int a[10001],q,z;
cin>>l>>m;
for(i=0;i<=l;i++)
a[i]=0;
for(i=1;i<=m;i++)
{
cin>>q>>z;
for(j=q;j<=z;j++)
if(a[j]==0)a[j]++;
}
for(i=0;i<=l;i++)
if(a[i]==0)sum++;
cout<<sum;
by 岩岩41 @ 2024-04-22 21:25:00
开头我没打！
by 岩岩41 @ 2024-04-22 21:25:51
@[岩岩41](/user/565990) markdown炸了
by _TCR_ @ 2024-04-22 21:46:21
```cpp
int i,j,k,m,n,l,sum=0;
int a[10001],q,z;
cin>>l>>m;
for(i=0;i<=l;i++)
a[i]=0;
for(i=1;i<=m;i++)
{
cin>>q>>z;
for(j=q;j<=z;j++)
if(a[j]==0)a[j]++;
}
for(i=0;i<=l;i++)
if(a[i]==0)sum++;
cout<<sum;
```
by _TCR_ @ 2024-04-22 21:46:58
@[_TCR_](/user/483466) 我都过了，我用c++20过了
by 岩岩41 @ 2024-04-23 20:45:14
by 岩岩41 @ 2024-04-23 20:49:07
发不出去，看我提交记录 就搜岩岩41 就好了
by 岩岩41 @ 2024-04-23 20:51:38
@[岩岩41](/user/565990) 炸裂markdown格式
by _TCR_ @ 2024-04-24 18:06:46