QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#621296#5140. Frozen Scoreboardyzj123WA 2ms3844kbC++203.2kb2024-10-08 12:16:382024-10-08 12:16:39

Judging History

你现在查看的是最新测评结果

  • [2024-10-08 12:16:39]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3844kb
  • [2024-10-08 12:16:38]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
int read()
{
	int res = 0, bj = 1;
	char ch = getchar();
	while (ch < '0' || ch > '9')
	{
		if (ch == '-') bj = -1;
		ch = getchar();
	}
	while (ch >= '0' && ch <= '9')
	{
		res = res * 10 + ch - '0';
		ch = getchar();
	}
	return res * bj;
}
const int MAXN = 1005;
int tt, m; //人数和题目数
int a, b; //过题数和总罚时
int ac[15]; //-1没做, 0没过, 1过了, 2问号 
int sm[15], tim[15]; // 
char ch[10005];
vector<int> pb; 
void solve()
{
	a = read(), b = read();
	for (int i = 1; i <= m; i++)
	{
		scanf("%s", ch + 1);
		if (ch[1] == '+')
		{
			ac[i] = 1;
			scanf("%s", ch + 1);
			int x = 0, y = 0, len = strlen(ch + 1);
			int j;
			for (j = 1; j <= len; j++)
			{
				if (ch[j] != '/') x = x * 10 + ch[j] - '0';
				else break;
			} 
			j++;
			for (; j <= len; j++) y = y * 10 + ch[j] - '0'; 
			a--;
			b -= (x - 1) * 20 + y;
			sm[i] = x;
			tim[i] = y;
		}
		else if (ch[1] == '?')
		{
			ac[i] = 2;
			pb.push_back(i);
			sm[i] = read();
			tim[i] = read() - sm[i];
		}
		else if (ch[1] == '-')
		{
			ac[i] = 0;
			sm[i] = read(); 
		}
		else ac[i] = -1;
	}
	int fl = 0;
	int tot = pb.size();
	int S = (1 << tot) - 1;
	int ltim = 240 * a, rtim = 299 * a; 
	if (a != 0)
	{
		for (int i = 0; i <= S; i++)
		{
			int res = b; //剩余罚时 
			int num = 0; //可以用的20的数量
			int k = 0; //过题数量 
			for (int j = 0; j < tot; j++)
				if (i & (1 << j)) 
				{					
					res -= tim[pb[j]] * 20;
					num += sm[pb[j]] - 1;
					k++;
				}
//			cout << "i:" << i << " " << res << " " << num << " " << k << "\n";
			if (k != a || res < ltim) continue;
			int tmp = 0;
			if (res > rtim) tmp = (res - rtim - 1) / 20 + 1;
//			cout << "tmp:" << tmp << "\n";
			if (tmp > num) continue;
			else 
			{
				res -= tmp * 20; 
				for (int j = 0; j < tot; j++)
					if (i & (1 << j))
					{
						if (tmp >= sm[pb[j]] - 1) //此时sm不变
						{
							sm[pb[j]] += tim[pb[j]];
							tmp -= sm[pb[j]] - 1;
						}
						else 
						{
							sm[pb[j]] = tmp + 1 + tim[pb[j]];
							tmp = 0;  
						}
					}
			}
			int avg = res / a;
			for (int j = 0; j < tot; j++)
				if (i & (1 << j))
				{
					ac[pb[j]] = 1;
					tim[pb[j]] = avg;
					res -= avg;
				}
			if (res != 0)
			{
				for (int j = 0; j < tot; j++)
					if (i & (1 << j) && res != 0)
					{
						tim[pb[j]]++;
						res--;
//						tim[pb[j]] += res;
//						break;
					}
			}
			for (int j = 0; j < tot; j++)
				if ((i & (1 << j)) == 0)
				{
					ac[pb[j]] = 0;
					sm[pb[j]] += tim[pb[j]]; 
				}
			fl = 1;
			break;
		}
	}
	else 
	{
		for (int i = 1; i <= m; i++)
			if (ac[i] == 2) 
			{
				ac[i] = 0;
				sm[i] += tim[i];
			}
	}
	if (fl == 1 || (a == 0 && b == 0))
	{
		cout << "Yes\n";
		for (int i = 1; i <= m; i++)
		{
			if (ac[i] == -1) cout << '.' << "\n";
			else if (ac[i] == 1) cout << "+ " << sm[i] << '/' << tim[i] << "\n";
			else cout << "- " << sm[i] << "\n";
		}	
	}
	else cout << "No\n";
	pb.clear();
	for (int i = 1; i <= m; i++) ac[i] = sm[i] = tim[i] = 0;
}
int main()
{
	tt = read(), m = read();
	while (tt--) solve();  
	return 0;
}
/*
1 4
2 480
? 10 10
? 10 10
- 1
- 10
*/

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3844kb

input:

1 13
7 951
+ 1/6
? 3 4
+ 4/183
- 2
+ 3/217
.
.
.
+ 2/29
+ 1/91
.
+ 1/22
.

output:

Yes
+ 1/6
+ 2/263
+ 4/183
- 2
+ 3/217
.
.
.
+ 2/29
+ 1/91
.
+ 1/22
.

result:

ok ok (1 test case)

Test #2:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

6 2
1 100
.
? 3 4
2 100
+ 1/1
+ 1/2
0 0
- 5
- 6
2 480
? 100 100
? 100 100
2 480
? 99 100
? 100 100
1 2000
? 100 100
? 100 100

output:

No
No
Yes
- 5
- 6
Yes
+ 1/240
+ 1/240
No
Yes
+ 87/280
- 100

result:

ok ok (6 test cases)

Test #3:

score: -100
Wrong Answer
time: 2ms
memory: 3844kb

input:

1000 13
6 1519
+ 3/183
- 1
+ 9/133
? 2 3
- 5
? 1 3
- 5
? 1 1
? 1 3
- 5
+ 1/165
- 6
? 2 5
2 570
- 2
- 9
.
- 1
- 7
- 6
+ 4/179
- 2
? 2 5
.
- 2
? 1 3
.
1 140
.
- 2
.
- 2
- 1
- 2
- 2
.
.
.
.
+ 3/100
.
1 195
+ 1/195
.
.
.
.
.
.
.
.
? 1 1
.
.
.
0 0
.
.
.
.
.
.
.
.
.
.
.
.
.
3 776
? 8 22
? 1 8
- 6
+ 1/173
...

output:

Yes
+ 3/183
- 1
+ 9/133
+ 2/260
- 5
+ 3/259
- 5
+ -1/259
- 3
- 5
+ 1/165
- 6
- 5
Yes
- 2
- 9
.
- 1
- 7
- 6
+ 4/179
- 2
+ 4/271
.
- 2
- 3
.
Yes
.
- 2
.
- 2
- 1
- 2
- 2
.
.
.
.
+ 3/100
.
Yes
+ 1/195
.
.
.
.
.
.
.
.
- 1
.
.
.
Yes
.
.
.
.
.
.
.
.
.
.
.
.
.
Yes
- 22
- 8
- 6
+ 1/173
- 11
- 9
- 3
- 6
+ 4/2...

result:

wrong answer Token "-1/259" doesn't correspond to pattern "[0-9]{1,3}/[0-9]{1,3}" (test case 1)