lanqiao 1452 时间显示

12lanqiao/test6.cpp

@@ -0,0 +1,18 @@
+// lanqiao 1452 时间显示
+#include<bits/stdc++.h>
+using namespace std;
+#define int long long // 10e18 需要开long long
+signed main(){
+    int n; cin >> n;
+    n /= 1000;
+    int h = n / 3600;
+    n -= h * 3600;
+    int m = n / 60;
+    n -= m * 60;
+    h %= 24;
+    printf("%02d:%02d:%02d\n", h, m, n);
+    return 0;
+}
+/* test samples -> 13:00:00 01:08:23
+46800999 1618708103123
+*/