QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#414737#6568. Space Alignmentkaruna#AC ✓1ms3788kbC++201.2kb2024-05-19 16:08:072024-05-19 16:08:09

Judging History

你现在查看的是最新测评结果

  • [2024-05-19 16:08:09]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:3788kb
  • [2024-05-19 16:08:07]
  • 提交

answer

#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef array<int, 3> tiii;

int main() {
	cin.tie(0); ios_base::sync_with_stdio(0);

	int n; cin >> n;

	char pr = 0;
	int val = 0;
	vector<tiii> V;
	for(int i = 0; i < n; ++i)
	{
		string s; cin >> s;
		int x = 0, y = 0;
		for(auto c : s)
		{
			if(c == 't') ++x;
			else if(c == 's') ++y;
			else
			{
				if(c == '{' && pr == '{') ++val;
				if(c == '}' && pr == '}') --val;
				pr = c;
			}
		}
		if(val == 0)
		{
			if(x || y) return !(cout << -1);
		}
		else V.push_back({val, x, y});
	}

	int ans = -1, ansx = -1;
	for(int i = 1; i < (int)V.size(); ++i)
	{
		if(ans == -1)
		{
			auto [a, b, c] = V[0];
			auto [d, e, f] = V[i];

			if(a * e == b * d)
			{
				if(c * d != a * f) return !(cout << -1);
			}
			else
			{
				int p = c * d - a * f;
				int q = a * e - b * d;
				if(p % q) return !(cout << -1);
				ans = p / q;
				if(ans <= 0) return !(cout << -1);
				ansx = (ans * b + c) / a;
			}
		}
		else
		{
			auto [d, e, f] = V[i];
			if(d * ansx != e * ans + f) return !(cout << -1);
		}
	}

	cout << (ans == -1 ? 1 : ans);
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3576kb

input:

10
{
ss{
sts{
tt}
t}
t{
ss}
}
{
}

output:

2

result:

ok single line: '2'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

2
{
}

output:

1

result:

ok single line: '1'

Test #3:

score: 0
Accepted
time: 1ms
memory: 3788kb

input:

4
{
ss{
ss}
}

output:

1

result:

ok single line: '1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

4
{
tt{
tt}
}

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

4
{
ss{
s}
}

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 1ms
memory: 3576kb

input:

4
{
tt{
t}
}

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

4
{
tt{
s}
}

output:

-1

result:

ok single line: '-1'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

4
{
tt{
sss}
}

output:

-1

result:

ok single line: '-1'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

4
{
tt{
ssss}
}

output:

2

result:

ok single line: '2'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

6
{
}
{
tt{
ssss}
}

output:

2

result:

ok single line: '2'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

100
{
}
{
}
{
t{
ssssssssssssssssssssssssssssssssssss}
t{
t}
t{
tssssssssssssssssssssssssssssssssssss{
tssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss{
tsssssssssssssssssssssssssssssssssssst}
ttssssssssssssssssssssssssssssssssssss{
ssssssssssssssssssssssssssssssssssssssssss...

output:

36

result:

ok single line: '36'

Test #12:

score: 0
Accepted
time: 1ms
memory: 3532kb

input:

100
{
t{
tssssssssssssssssssss{
ttssssssssssssssssssss{
tsssssssssssssssssssstt{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstt{
ttsssssssssssssssssssstssssssssssssssssssssssssssssssssssssssss{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstsssssssss...

output:

20

result:

ok single line: '20'

Test #13:

score: 0
Accepted
time: 1ms
memory: 3460kb

input:

4
{
t{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

999

result:

ok single line: '999'