'commit'

TangDou/LanQiaoBei/LanQiao14STEMA202208/2.cpp

@@ -0,0 +1,17 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int cnt;
+/*
+110
+10
+*/
+int main() {
+    int n;
+    cin >> n;
+    for (int i = 100; i <= n; i++)
+        if (i % 10 != 3 && i % 100 / 10 != 5 && i % 1000 / 100 != 7)
+            cnt++;
+    printf("%d\n", cnt);
+    return 0;
+}