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33 lines
927 B
C++
33 lines
927 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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int a[60][60], b[60][60];
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void die(int v)
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{
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puts(v ? "Possible" : "Impossible");
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exit(0);
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}
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int main()
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{
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int n, m;
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scanf("%d%d", &n, &m);
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= m; j++)
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scanf("%d", &a[i][j]);
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= m; j++)
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scanf("%d", &b[i][j]);
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= m; j++)
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if (a[i][j] > b[i][j])
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swap(a[i][j], b[i][j]);
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= m; j++)
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if (a[i - 1][j] >= a[i][j] || a[i][j - 1] >= a[i][j] ||
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b[i - 1][j] >= b[i][j] || b[i][j - 1] >= b[i][j])
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die(0);
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die(1);
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return 0;
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}
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