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21 lines
527 B
C++
21 lines
527 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 main() {
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int n, m, x;
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map<int, multiset<int>> A, B;
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scanf("%d%d", &n, &m);
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for (int i = 0; i < n; i++)
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for (int j = 0; j < m; j++)
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scanf("%d", &x), A[i + j].insert(x);
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for (int i = 0; i < n; i++)
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for (int j = 0; j < m; j++)
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scanf("%d", &x), B[i + j].insert(x);
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puts(A == B ? "YES" : "NO");
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return 0;
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}
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