90分一个点没过（答案错误），大佬救命

chenzixuan_06 @ 2024-11-04 21:36:33

#include<iostream>
using namespace std;
int n;
unsigned long long money(int m);
int day(int n);
int main(void)
{
    cin>>n;
    cout<<money(n);

}
int day(int n)
{   int sum=0;int a;
    for(int i=1;i<=n;i++)
    {
        if(sum+i>n)
        {
        a=i-1;break;}

           sum+=i; 

    }
    return a;
}
unsigned long long money(int m)
{
    unsigned long long money=0;int day1=day(n);
    for(int t=1;t<=day1;t++)
    {
        money+=t*t;
    }
    money=money+(n-(1+day1)*day1/2)*(day(n)+1);
    return money;
}

by szmqi @ 2024-11-08 20:22:56

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

by liujihan @ 2024-11-08 20:30:56

#include<iostream> 
using namespace std;
int main(){ 
    int k,coin = 0,day = 0;
        cin << k; 
        for(int i = 1;;i++)
            for(int j = 1;j <= i;j++){ 
            coin += i;days++;
            if(day == k){
            cout << coin << endl; 
            return 0; 
            }
            return 0; 
            }