过一个点，求调

zhaomy @ 2024-09-28 20:38:05

#include <bits/stdc++.h>
using namespace std;
int main(){
    int len;
    cin>>len;
    int times;
    cin>>times;
    int ha[10005];
    for(int i = 1;i<=len;i++){
        ha[i] = 1;
    }
    int sum = len;
    for(int i = 0;i<times;i++){
        int l,r;
        cin>>l>>r;
        for(int j = l;j<=r;j++){
            if(ha[j] == 1){
                sum--;
                ha[j] = 0;
            }
        }
    }
    cout<<sum;
    return 0;
}

by zhaomy @ 2024-09-28 20:38:33

求大佬指导

by Deric456 @ 2024-09-28 20:42:54

#include<bits/stdc++.h>
using namespace std;
int main(){
    int length,m,sum=0;
    cin>>length>>m;
    int arr[length+1];
    for(int i=0;i<=length+1;i++){
        arr[i]=1;
    }
    int l,r;
    for(int i=1;i<=m;i++){
        cin>>l>>r;
        for(int j=l;j<=r;j++){
            arr[j]=0;
        }
    }
    for(int i=0;i<=length+1;i++){
        if(arr[i]==1){
            sum++;
        }
    }
    cout<<sum-1;
    return 0;
}

AC代码求关

by Deric456 @ 2024-09-28 20:43:08

@zhaomy

by zhaomy @ 2024-09-28 20:46:38

@Deric456 谢谢大佬