11 lines
193 B
C++
11 lines
193 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int x1, y1, x2, y2;
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cin >> x1 >> y1 >> x2 >> y2;
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cout << abs(x1 - x2) + abs(y1 - y2) << endl;
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return 0;
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}
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