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34 lines
933 B
C++
34 lines
933 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 1 << 11;
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bitset<N> a[2][N];
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char buf[N];
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int main()
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{
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int T, n;
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scanf("%d", &T);
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while (T--)
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{
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memset(a, 0, sizeof(a));
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scanf("%d", &n);
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for (int i = 0; i < n; i++)
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{
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scanf("%s", buf);
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for (int j = 0; j < n; j++)
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{
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if (buf[j] == 'P') a[0][i].set(j);
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if (buf[j] == 'Q') a[1][i].set(j);
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}
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}
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bool flag = true;
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for (int k = 0; k < 2 && flag; k++)
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for (int i = 0; i < n && flag; i++)
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for (int j = 0; j < n && flag; j++)
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if (a[k][i][j] && (a[k][i] | a[k][j]) != a[k][i])
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flag = false;
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puts(flag ? "T" : "N");
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}
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return 0;
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} |