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记录详情

Wrong Answer


  
# 状态 耗时 内存占用
#1 Wrong Answer 3ms 276.0 KiB
#2 Wrong Answer 6ms 456.0 KiB
#3 Wrong Answer 6ms 368.0 KiB
#4 Wrong Answer 3ms 344.0 KiB
#5 Wrong Answer 4ms 256.0 KiB
#6 Wrong Answer 80ms 1.242 MiB
#7 Wrong Answer 71ms 1.395 MiB
#8 Wrong Answer 65ms 1.336 MiB
#9 Wrong Answer 62ms 1.363 MiB

代码

#include<bits/stdc++.h>

using namespace std;

const int maxn = 1e6+5;
char s[maxn];
typedef long long ll;
ll k;

int main()
{
	int _;
	cin>>_;
	int ca = 1;
	while(_--)
	{
		cin>>k;
		scanf("%s",s);
		int len = strlen(s);
		ll sum = 0;
		ll ans = 0;
		int l = 0,r = 0;
		while(r < len && r-l+1 <=k)
			{
				ll cha = r-l;
				ans += (s[r]-'0')*(1<<cha);
				r++;
			}
		sum = ans;
		while(r < len)
		{
			
			while(r - l + 1 <= k)
			{
				sum += (s[r]-'0');
				r++;
			}
			ans = max(sum,ans);
			if(r>=len)
			break;
			sum -= (s[l] - '0')*(1<<(k-1));
			sum *= 2;
			l++;
		}
		printf("Case #%d: %lld\n",ca++,ans);
	} 
	return 0;
}

信息

递交者
类型
递交
题目
幸运大奖
语言
C++
递交时间
2017-09-10 21:55:43
评测时间
2017-09-10 21:55:43
评测机
分数
0
总耗时
304ms
峰值内存
1.395 MiB