ABC030B - 時計盤
問題:B - 時計盤
#include <algorithm> #include <cmath> #include <cstdio> #include <iostream> using namespace std; int main(void) { int n, m; double hour, minute, ans; scanf ("%d %d", &n, &m); hour = n % 12 * 30 + m * 0.5; minute = m * 6; ans = min(360 - abs(hour - minute), abs(hour - minute)); printf ("%.4lf\n", ans); return 0; }