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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
#111013#6568. Space AlignmentTobo#AC ✓25ms3500kbC++201.6kb2023-06-05 13:55:442023-06-05 13:55:49

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.
  • [2023-06-05 13:55:49]
  • 评测
  • 测评结果:AC
  • 用时:25ms
  • 内存:3500kb
  • [2023-06-05 13:55:44]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define N 200005

void solve()
{
    int n;
    cin >> n;
    vector<array<int, 3>> a(n + 1);
    for (int i = 1; i <= n; i++)
    {
        string ss;
        cin >> ss;
        int s = 0, t = 0, z = 0;
        for (char c : ss)
        {
            if (c == 's')
                s++;
            else if (c == 't')
                t++;
            else if (c == '{')
                z++;
            else
                z--;
        }
        a[i] = {s, t, z};
    }
    for (int j = 1; j <= 1e6; j++)
    {
        vector<int> b(n + 1);
        for (int i = 1; i <= n; i++)
            b[i] = a[i][0] + a[i][1] * j;
        bool is = 1;
        int d = -1;
        for (int i = 2; i <= n && is; i++)
        {
            if (a[i][2] != a[i - 1][2])
            {
                if (b[i] != b[i - 1])
                    is = 0;
            }
            else if (a[i][2] == 1)
            {
                if (d == -1)
                    d = b[i] - b[i - 1];
                if (d <= 0 || d != b[i] - b[i - 1])
                    is = 0;
            }
            else
            {
                if (d == -1)
                    d = b[i - 1] - b[i];
                if (d <= 0 || d != b[i - 1] - b[i])
                    is = 0;
            }
        }
        if (is)
        {
            cout << j << '\n';
            return;
        }
    }
    cout << -1;
}
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    while (t--)
        solve();
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 3408kb

input:

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

output:

2

result:

ok single line: '2'

Test #2:

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

input:

2
{
}

output:

1

result:

ok single line: '1'

Test #3:

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

input:

4
{
ss{
ss}
}

output:

1

result:

ok single line: '1'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

4
{
tt{
tt}
}

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 25ms
memory: 3372kb

input:

4
{
ss{
s}
}

output:

-1

result:

ok single line: '-1'

Test #6:

score: 0
Accepted
time: 25ms
memory: 3472kb

input:

4
{
tt{
t}
}

output:

-1

result:

ok single line: '-1'

Test #7:

score: 0
Accepted
time: 25ms
memory: 3408kb

input:

4
{
tt{
s}
}

output:

-1

result:

ok single line: '-1'

Test #8:

score: 0
Accepted
time: 25ms
memory: 3464kb

input:

4
{
tt{
sss}
}

output:

-1

result:

ok single line: '-1'

Test #9:

score: 0
Accepted
time: 2ms
memory: 3384kb

input:

4
{
tt{
ssss}
}

output:

2

result:

ok single line: '2'

Test #10:

score: 0
Accepted
time: 1ms
memory: 3500kb

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: 0ms
memory: 3432kb

input:

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

output:

20

result:

ok single line: '20'

Test #13:

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

input:

4
{
t{
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

999

result:

ok single line: '999'