P1239 计数器

R40245675

problem/P1239/P1239.cpp

@@ -0,0 +1,20 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, ans[15], t;
+
+int main() {
+    cin >> n;
+    for (int i = 1; i <= n; i++) {
+        t = i;
+        while (t) {
+            ans[t % 10]++;
+            t /= 10;
+        }
+    }
+    for (int i = 0; i < 10; i++) {
+        cout << ans[i] << endl;
+    }
+    return 0;
+}