19 lines
411 B
C++
19 lines
411 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 510;
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int n, m;
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int a[N][N];
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int ans;
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int main() {
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cin >> 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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cin >> 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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if (a[i][j] * a[i + 1][j + 1] == a[i + 1][j] * a[i][j + 1])
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ans++;
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cout << ans << endl;
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return 0;
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} |