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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#110947#6568. Space AlignmentUSP_USP_USP#AC ✓4ms3476kbC++201.3kb2023-06-04 23:23:212023-06-04 23:23:22

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-04 23:23:22]
  • 评测
  • 测评结果:AC
  • 用时:4ms
  • 内存:3476kb
  • [2023-06-04 23:23:21]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define int ll
#define all(v) (v).begin(), (v).end()
#define pb push_back

void dbg_out() { cerr << endl; }
template<typename H, typename... T> 
void dbg_out(H h, T... t) { cerr << ' ' << h; dbg_out(t...); }
#define dbg(...) { cerr << #__VA_ARGS__ << ':'; dbg_out(__VA_ARGS__); }

const int MAXN = 2e5;

void solve() {
	int n;
	cin >> n;
	vector<int> cnts(n), cntt(n), prof(n);
	vector<string> s(n);
	for(int i = 0; i < n; i++){
		cin >> s[i];
	}
	int bal = -1;
	for(int i = 0; i < n; i++){
		for(auto c : s[i]){
			if(c == 's') cnts[i]++;
			if(c == 't') cntt[i]++;
			if(c == '{'){
				bal++;
				prof[i] = bal;
			}
			if(c == '}'){
				prof[i] = bal;
				bal--;
			}
		}
	}
	for(int k = 1; k <= MAXN; k++){
		bool serve = true;
		int t = 1;
		for(int i = 0; i < n; i++){
			if(cntt[i] > 0){
				int aux = k*prof[i]-cnts[i];
				if(aux%cntt[i] != 0) serve = false;
				t = aux/cntt[i];
				break;
			}
		}
		if(!serve) continue;
		for(int i = 0; i < n; i++){
			serve &= k*prof[i] == cnts[i] + cntt[i]*t;
		}
		if(serve){
			cout << t << '\n';
			return;
		}
	}
	cout << -1 << '\n';
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    while(t--)
        solve();
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3452kb

input:

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

output:

2

result:

ok single line: '2'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3396kb

input:

2
{
}

output:

1

result:

ok single line: '1'

Test #3:

score: 0
Accepted
time: 2ms
memory: 3404kb

input:

4
{
ss{
ss}
}

output:

1

result:

ok single line: '1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3404kb

input:

4
{
tt{
tt}
}

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3476kb

input:

4
{
ss{
s}
}

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 2ms
memory: 3408kb

input:

4
{
tt{
t}
}

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 4ms
memory: 3388kb

input:

4
{
tt{
s}
}

output:

-1

result:

ok single line: '-1'

Test #8:

score: 0
Accepted
time: 4ms
memory: 3416kb

input:

4
{
tt{
sss}
}

output:

-1

result:

ok single line: '-1'

Test #9:

score: 0
Accepted
time: 2ms
memory: 3404kb

input:

4
{
tt{
ssss}
}

output:

2

result:

ok single line: '2'

Test #10:

score: 0
Accepted
time: 1ms
memory: 3412kb

input:

6
{
}
{
tt{
ssss}
}

output:

2

result:

ok single line: '2'

Test #11:

score: 0
Accepted
time: 2ms
memory: 3416kb

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: 2ms
memory: 3420kb

input:

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

output:

20

result:

ok single line: '20'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3464kb

input:

4
{
t{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

999

result:

ok single line: '999'