70分

yutongt09 @ 2023-03-01 17:24:38

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long n,k=0,z=0,b=0;//n一共天数  k总数  z随时天数 
    cin>>n;
    while(n>0){
        z++;
        if(z<=n){
            for(int i=1;i<=z;i++){
                k=k+z;
                n--;
            }
        }
        else
        {
            for(int j=1;j<=z;j++){
                k=k+z;
                n--;
            }
        }
    }
    cout<<k;
    return 0;
}

by _Dolphin_ @ 2023-03-01 17:53:48

下面循环要先给z赋值为n

by _Dolphin_ @ 2023-03-01 17:59:12

#include<bits/stdc++.h>
using namespace std;
int n,z,ans;
int main() {
    scanf("%d",&n);
    while(1) {
        z++;
        if(z<=n) {
            ans+=z*z;
            n-=z;
        }
        else {
            ans+=n*z;
            break;
        }
    }
    printf("%d",ans);
    return 0;
}

by _Dolphin_ @ 2023-03-01 17:59:59

@yutongt09

by yutongt09 @ 2023-03-04 08:35:19

@Dolphin0613

好好好，谢谢大佬