10pts求调

Liyuhui222 @ 2025-01-08 10:37:05

#include<bits/stdc++.h>
using namespace std;
bool f[10005];
int main()
{
    int n,q;
    cin >> n >> q;
    for(int i = 1;i <= q;i++)
    {
         int l,r;
         cin >> l >> r;
         for(int j = l;j <= r;j++)
         {
             f[j] = 1;
         }
    }
    int cnt = 0;
    for(int i = 1;i <= n;i++)
    {
        if(f[i] == 0)
        {
            cnt++;
        }
    }
    cout << cnt;
}

by liuzhuoran141516 @ 2025-01-08 10:42:45

没读题吗

#include<bits/stdc++.h>
using namespace std;
bool f[10005];
int main()
{
    int n,q;
    cin >> n >> q;
    for(int i = 1;i <= q;i++)
    {
         int l,r;
         cin >> l >> r;
         for(int j = l;j <= r;j++)
         {
             f[j] = 1;
         }
    }
    int cnt = 0;
    for(int i = 0;i <= n;i++)
    {
        if(f[i] == 0)
        {
            cnt++;
        }
    }
    cout << cnt;
}

by liuzhuoran141516 @ 2025-01-08 10:42:54

@Liyuhui222

by 4041nofoundGeoge @ 2025-01-08 10:43:18

@Liyuhui222最后一个循环下标从 0 开始。

by Liyuhui222 @ 2025-01-08 10:59:57

...谢了

by Liyuhui222 @ 2025-01-09 09:11:11

@4041nofoundGeoge\ @liuzhuoran141516\ (感觉没脸见人了) 谢了......