From 51cf40f17b2c99d88935cc8ff6779e6ed42e02c0 Mon Sep 17 00:00:00 2001 From: crupest Date: Tue, 23 Mar 2021 19:18:25 +0800 Subject: import(solutions): Add acwing 1245. --- works/solutions/acwing/1245.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 works/solutions/acwing/1245.cpp (limited to 'works') 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 + +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; +} -- cgit v1.2.3