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authorcrupest <crupest@outlook.com>2021-02-24 00:36:15 +0800
committercrupest <crupest@outlook.com>2021-02-24 00:36:15 +0800
commit90375859767eb4cae3a7a93c64725b504d7f0fe0 (patch)
treef8fcda952bbd2bbd9a6d9a2a2dfad1cb99d5d624 /works/life/chuanzhi-cup/practice-contest/1.cpp
parent93b0dad49c78c22cda374239eda5a77baeb358b1 (diff)
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import(life): Add chuanzhi-cup codes.
Diffstat (limited to 'works/life/chuanzhi-cup/practice-contest/1.cpp')
-rw-r--r--works/life/chuanzhi-cup/practice-contest/1.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/works/life/chuanzhi-cup/practice-contest/1.cpp b/works/life/chuanzhi-cup/practice-contest/1.cpp
new file mode 100644
index 0000000..1a0d88e
--- /dev/null
+++ b/works/life/chuanzhi-cup/practice-contest/1.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+
+int main() {
+ int n;
+ std::cin >> n;
+
+ int count = 0;
+
+ for (int i = 1; i <= n; i++) {
+ int num = i;
+ int sum = 0;
+ while (num != 0) {
+ sum += num % 10;
+ num /= 10;
+
+ if (sum > 9)
+ break;
+ }
+
+ if (sum == 9)
+ count++;
+ }
+
+ std::cout << count;
+
+ return 0;
+}