练26.1 输出偶数

ws247wanglongming1 LV 6 @ 2024-3-15 17:23:08

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b=2;
	cin>>a;
	while(b<=a){
	cout<<b<<" ";
	b=b+2;
}
	return 0;
}
给个好评

ws2025wangxihe LV 4 @ 2025-3-26 17:39:03

#include<iostream>
using namespace std; 
int main(){
	int n,i;
	cin>>n;
	for(i=2;i<=n;i++){
		if(i%2==0)cout<<i<<" ";
	}	
	return 0;
}

1
rc2025xiadishuo LV 1 @ 2025-3-21 17:35:27

#include<bits/stdc++.h> using namespace std; int main(){ int a,b=2; cin>>a; while(b<=a){ cout<<b<<" "; b=b+2; }

return 0; } 给个好评

rc2025xiadishuo LV 1 @ 2025-3-21 17:32:55

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1
rc2025jiawenqin LV 2 @ 2025-3-21 17:31:38

#include<bits/stdc++.h> using namespace std; int main(){ int n,i=1; cin>>n; while(i<=n){ cout<<i<<endl; i=i+1; } return 0; }
1
rc247xiaruisi1 LV 2 @ 2024-3-14 18:00:52

#include<bits/stdc++.h>

using namespace std; int main(){ int n; cin>>n; while(){ cout<<i<<endl; i++; } return 0; }
0
ws2025lupengcheng LV 4 @ 2025-3-28 17:58:44
#include<bits/stdc++.h>//还得练

using namespace std;//不是你还真看啊

int main(){//没用的

int a,b=2;//还想看？

cin>>a;

while (b<=a){
```
cout<<b<<" ";
	
b = b+2;//配吗？自己做
去！！！！！！！！！！！！ 
}
return 0;//赶紧给我好评 ！！~！！！！！！！ 
```
}
0
gy2025huangyundong LV 4 @ 2025-3-25 17:25:54
languge""" #include<bits/stdc++.h> using namespace std; int main(){ int a,n,s; n=1; cin>>a; while (n<=a){ s=n; if (s%2==0){ cout<<s<<" "; } n=n+1; }
```
return 0;
```
}

"""
0
cq243niyuze1 LV 8 @ 2024-12-5 19:29:53

#include using namespace std; int main(void) { int a; cin>>a; for(int i=2; i<=a; i+=2) { cout<<i<<" "; } return 0; }
0
cq243niyuze1 LV 8 @ 2024-12-5 19:29:36

#include using namespace std; int main(void) { int a; cin>>a; for(int i=2; i<=a; i+=2) { cout<<i<<" "; } return 0; }

ziyi1 LV 7 @ 2024-8-15 11:44:03

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i=2;i<=n;i++){
		if(i%2==0)cout<<i<<" ";
	}
}

0
rc245zhiyuqi1 LV 6 @ 2024-7-16 13:58:47

#include<bits/stdc++.h> using namespace std; int main(){ int n,i=1; cin>>n; while(i<=n){ if(i%2==0){ cout<<i<<" "; } i = i+1; } return 0; }

ws247yangzongzheng1 LV 1 @ 2024-3-24 12:19:01

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b=2;
	cin>>a;
	while(b<=a){
	cout<<b<<" ";
	b=b+2;
}
	return 0;
}

rc244huangwenpu1 LV 4 @ 2024-3-24 9:19:38

#include<bits/stdc++.h>
using namespace std;
 int main(){
   int n,i=2;
    std::cin>>n; 
    while(i<=n){ 
      std::cout<<i<<" ";
       i=i+2;
        } return 0; 
        }

-1
ws247chenlixue1 LV 5 @ 2024-3-15 17:09:04

#include<bits/stdc++.h> using namespace std; int main(){ int a,b=2; cin>>a; while(b<=a){ cout<<b<<" "; b=b+2; } return 0; }

-2

rc244wangzixin1 LV 7 @ 2024-3-15 15:55:54

#include<iostream> 
using namespace std; 
int main(){ 
  int n,sum=0; 
  cin>>n; 
  for(int i=1;i<=n;++i){ 
    sum=sum+i; 
  } 
  cout<<sum; 
  return 0; 
}

-3

rc244liuchenxi1 LV 5 @ 2024-3-15 16:44:20

#include<iostream> 
using namespace std; 
int main(){ 
  int n,sum=0; 
  cin>>n; 
  for(int i=1;i<=n;++i){ 
    sum=sum+i; 
  } 
  cout<<sum; 
  return 0; 
}

-6
rc247zhouhanyun1 LV 4 @ 2024-3-14 18:03:29

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-24
rc244wangzixin1 LV 7 @ 2024-3-10 9:25:21

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-42
liyecheng1 LV 1 @ 2023-12-9 15:29:26

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