E - Евклидовое расстояние
unknown
c_cpp
9 days ago
295 B
7
Indexable
Never
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { ll xa, ya, xb, yb; cin >> xa >> ya; cin >> xb >> yb; double ab = sqrt((xa - xb) * (xa - xb) + (ya - yb) * (ya - yb)); cout << fixed << setprecision(9) << ab; return 0; }
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