练24.2 循环求和

rc244wangkeren1 LV 4 @ 2024-3-17 9:24:47

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

ws247zhengfangyan1 LV 6 @ 2024-3-15 16:38:30

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

rc244gengjinrui1 LV 4 @ 2024-4-6 13:28:15

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

rc244liuchenxi1 LV 4 @ 2024-3-24 9:19:34

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

-6
rc246lihao1 LV 6 @ 2024-3-3 9:14:06

#include <bits/stdc++.h> using namespace std; int main(){ int i,n,sum=0; cin>>n; for(i=1;i<=n;i++){ sum=sum+i; } cout<<sum; return 0; }
-8
rc247chenbosheng1 LV 6 @ 2024-3-2 20:18:37

#include using namespace std; int main(){ int n,sum=0; cin>>n; for(int i=1;i<=n;i=i++){ sum=sum+i; } cout<<sum; return 0; }
-10
2023chenyuxi1 LV 5 @ 2023-12-29 17:43:11

#include using namespace std; int main(){ int n,sum=0; cin>>n; for(int i=1;i<=n;i=i++){ sum=sum+i; } cout<<sum; return 0; }
-12
rc247lijunhe1 LV 7 @ 2024-3-4 19:45:11

#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c=0; cin>>b; for(a=1;a<=b;a++){ c=c+a; } cout<<c; }