CodeForces CF1352D Alice, Bob and Candies 模拟题_codeforces 模拟题

下为代码。

#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
int nums[N];
 
void solve(){
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++) cin >> nums[i];
	//输入数组
	int l = 1,r = n,lsum = 0,rsum = 0,res = 0,be = 0;
	//l为左坐标，r为右坐标，lsum为左边和，rsum为右边和
	//res为移动次数
	while(l <= r){
		res++;
		int tmp = 0;
		while(l <= r && tmp <= be){
			//当左边和大于右边和跳出
			tmp += nums[l];
			lsum += nums[l];
			l++;
		}
		be = tmp;
		//be此时为左边和
		if(l > r) break;
		res++;
		tmp = 0;
		while(l <= r && tmp <= be){
			//当右边和大于左边和时跳出
			tmp += nums[r];
			rsum += nums[r];
			r--;
		}
		be = tmp;
		//be此时为右边和
	}
	cout << res << ' ' << lsum << ' ' << rsum << '\n';	
}
 
int main(){
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int q;
	cin >> q;
	while(q--)
		solve();
	return 0;
}