'commit'

TangDou/LuoGuBook/P5707.cpp

@@ -0,0 +1,14 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int s, v;
+    cin >> s >> v;
+    int t_walk = ceil(1.0 * s / v) + 10;//注意上取整
+    int from_zero = 60 * (24 + 8) - t_walk;
+    int hh = from_zero / 60 % 24;
+    int mm = from_zero % 60;
+    printf("%02d:%02d", hh, mm);
+    return 0;
+}