'commit'

TangDou/LuoGuBook/P5709.cpp

@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int m, t, s;
+    cin >> m >> t >> s;
+    int x = ceil(1.0 * s / t);
+    if (m <= x) printf("%d", 0);
+    else printf("%d", m - x);
+    return 0;
+}