delete pics to save space

This commit is contained in:
2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions

19
1.1047.cpp Normal file
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#include<cstdio>
#include<cstring>
bool board[10005];
int main()
{
int L,m;
scanf("%d%d",&L,&m);
int a,b;
memset(board,1,sizeof(board));
for(int i=0;i<m;i++)
{
scanf("%d%d",&a,&b);
memset(board+a,0,b-a+1);
}
int ans=0;
for(int i=0;i<=L;i++) ans+=board[i];
printf("%d\n",ans);
return 0;
}