求助为什么会TLE

GuiyuanCo @ 2023-09-10 10:37:48

#include <iostream>
using namespace std;
int main()
{
    int n,m;
    cin>>n>>m;
    int a[n];
    for (int i=0;i<n;i++)
    {
        a[i]=0;
    }
    for (int i=0;i<=m;i++)
    {
        int x,y;
        cin>>x>>y;
        for (int j=x;j<=y;i++)
        {
            if (a[j])
            {
                a[j]=0;
                n--;
            }
        }
    }
    cout<<n;
}

by wangjiayuan @ 2023-09-10 10:41:08

int j=x;j<=y;i++改成int j=x;j<=y;j++

by masiyudr @ 2023-09-10 10:49:33

#include <iostream>
using namespace std;
int main()
{
    int n,m;
    cin>>n>>m;
    int a[n];
    for (int i=0;i<=n;i++)
    {
        a[i]=1;
    }
    for (int i=0;i<m;i++)
    {
        int x,y;
        cin>>x>>y;
        for (int j=x;j<=y;j++)
        {
            if (a[j])
            {
                a[j]=0;
                n--;
            }
        }
    }
    cout<<n+1;
}

by GuiyuanCo @ 2023-09-10 20:24:52

@wangjiayuan 我靠我脑残了