60分，c++蒟蒻求助

_Jarvis_ @ 2023-03-10 17:46:17

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

by 46vvhb @ 2023-05-11 13:20:07

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