CodeForces - 1073D（模擬）

題解：

每一圈都是有規律，像是一層一層的，也就是每一層去掉一個最大值，最多就n層。

#include <algorithm>
#include  <iostream>
#include   <cstdlib>
#include   <cstring>
#include    <cstdio>
#include    <string>
#include    <vector>
#include    <bitset>
#include     <stack>
#include     <cmath>
#include     <deque>
#include     <queue>
#include      <list>
#include       <set>
#include       <map>
#pragma comment(linker, "/STACK:1024000000,1024000000")
#define line printf("---------------------------\n")
#define mem(a, b) memset(a, b, sizeof(a))
#define pi acos(-1)
using namespace std;
typedef long long ll;
const double eps = 1e-9;
const int inf = 0x3f3f3f3f;
const int mod = 1e9+7;
const int maxn = 200000+10;

ll a[maxn];
ll n, T;

int main(){
	cin>>n>>T;
	ll minn = 1e18;
	for(int i = 0; i < n; i++){
		cin>>a[i];
		minn = min(minn, a[i]);
	}
	ll ans = 0;
	while(T >= minn){
		ll temp = 0, sum = 0;
		for(int i = 0; i < n; i++){
			if(T >= a[i]){
				T -= a[i];
				temp++;
				sum += a[i];
			}
		} 
		ans += (T/sum+1)*temp;
		T %= sum;
	}
	cout<<ans<<endl;
}