有大佬帮忙看一下吗，跑起来了但是没分

qianzhihexs @ 2024-10-15 15:28:24

#include <stdio.h>
int cha(int m,int n);
int main(void)
{int l,i,m,a,b;
scanf("%d %d",&l,&m);
int num[m-1];
for(i=0;i<=m-1;i++)
{scanf("%d %d",&a,&b);
num[i]=cha(a,b);
l=l-num[i];
}
printf("%d",l+1);
return 0;
}
int cha(int m,int n)
{int d;
if(m>n)
return m-n+1;
else
return n-m+1;
}

by ZYFERIC @ 2024-10-19 17:22:37

#include <stdio.h>
int main(){
    int a[10005]={},l,m,c,d,sum=0;
    scanf("%d%d",&l,&m);
    while(m--){
        scanf("%d%d",&c,&d);
        for(int i=c;i<=d;i++)
            a[i]=1;
    }
    for(int i=0;i<=l;i++){
        if(a[i]==0)sum++;
    }
    printf("%d",sum);
    return 0;
}