Codeforces Round 826 (Div. 3) D 遍历暴力求解

题目链接：Codeforces Round 826 (Div. 3) C

// Problem: C. Minimize the Thickness
// Contest: Codeforces - Codeforces Round 826 (Div. 3)
// URL: https://codeforces.com/contest/1741/problem/C
// Memory Limit: 256 MB
// Time Limit: 2000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

#include
using namespace std;

typedef long long ll;

const int N = 2e5+5;

int n;
int a[N],s[N];

int main(){
	int T;
	cin>>T;
	while(T--){
		cin>>n;
		for(int i=1;i<=n;i++){
			cin>>a[i];
		}
		s[1]=a[1];
		for(int i=2;i<=n;i++){
			s[i]=s[i-1]+a[i];
		}
		
		int res=n;
		for(int i=1;i<=n;i++){
			int ans=i;
			int sum=s[i];  //遍历前几个数
			int k=i;
			for(int j=i+1;j<=n;j++){  //往后遍历
				if(s[j]-s[k]==sum){   //如果后面有等于s[i]的
					ans=max(ans,j-k);  //更新长度
					k=j;  //k等于当前的j，j继续向后遍历
				}
			}
			if(k==n){  //遍历所以的i,找到最小的长度
				res=min(res,ans);
			}
		}
		cout<