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authorYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
commit1ecfd0ab7f1f511268fd6404dbc110c3c277b48c (patch)
tree49449a4076ded9bd937a51679318edbe2a532cae /works/life/chuanzhi-cup/practice-contest/1.cpp
parent55d8b025e8d6ea971e8ee5762c892405fedc316b (diff)
parentf8c10dd1fc55e60f35286475356e48c4f642eb63 (diff)
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import(life): IMPORT crupest/life COMPLETE.
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;
+}