我感觉没错啊求改

I_love_big_ba_lei_te @ 2024-08-09 12:58:23

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,sum=0;
    cin>>a>>b;
    int q,w;
    int s[a+2];
    for(int i=1;i<=a;i++)
      s[i]=0;
    for(int i=1;i<=b;i++)
      {
        cin>>q>>w;
        for(int i=q;i<=w;i++)
          {
            if(s[i]==0)
              s[i]=1;
          }
      }  
    for(int i=1;i<=a;i++)
      if(s[i]==0)
        sum++;
    cout<<sum;
    return 0;
}

by XiaoHongChong @ 2024-08-09 13:05:23

@zhangdongzhe

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,sum=0;
    cin>>a>>b;
    int q,w;
    int s[a+2] = {0};  //要初始化
    for(int i=1;i<=a;i++)
        s[i]=0;
    for(int i=1;i<=b;i++)
    {
        cin>>q>>w;
        for(int i=q;i<=w;i++)
        {
            if(s[i]==0)
                s[i]=1;
        }
    }  
    for(int i=0;i<=a;i++) //是从0开始的
        if(s[i]==0)
            sum++;
    cout<<sum;
    return 0;
}

by qw0er2ty1ui3 @ 2024-08-09 13:30:16

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,sum=0;
    cin>>a>>b;
    int q,w;
    int s[a+2];
    for(int i=0;i<=a;i++)
      s[i]=0;
    for(int i=0;i<=b;i++)
      {
        cin>>q>>w;
        for(int i=q;i<=w;i++)
          {
            if(s[i]==0)
              s[i]=1;
          }
      }  
    for(int i=0;i<=a;i++)
      if(s[i]==0)
        sum++;
    cout<<sum;
    return 0;
}

by qw0er2ty1ui3 @ 2024-08-09 13:30:37

@zhangdongzhe

by IaLWH @ 2024-08-09 13:31:44

@XiaoHongChong 话说他的第一个for循环不是初始化吗

by XiaoHongChong @ 2024-08-09 14:39:52

@IaLWH 是啊，我和他的代码都能初始化

by I_love_big_ba_lei_te @ 2024-08-28 14:27:54

@XiaoHongChong 谢了

by XiaoHongChong @ 2024-08-28 17:25:31

@zhangdongzhe 不用谢