import(solutions): Add acwing 1245.

1 files changed, 29 insertions, 0 deletions

diff --git a/works/solutions/acwing/1245.cpp b/works/solutions/acwing/1245.cpp
new file mode 100644
index 0000000..ba51a8f
--- /dev/null
+++ b/works/solutions/acwing/1245.cpp
@@ -0,0 +1,29 @@
+#include <iostream>

+

+bool check(int n) {

+  while (n != 0) {

+    int k = n % 10;

+    if (k == 2 || k == 0 || k == 1 || k == 9) {

+      return true;

+    }

+    n /= 10;

+  }

+  return false;

+}

+

+int main() {

+  int n;

+  std::cin >> n;

+

+  long long sum;

+

+  for (int i = 1; i <= n; i++) {

+    if (check(i)) {

+      sum += i;

+    }

+  }

+

+  std::cout << sum;

+

+  return 0;

+}