1 files changed, 22 insertions, 0 deletions
diff --git a/store/works/life/chuanzhi-cup/contest/1.cpp b/store/works/life/chuanzhi-cup/contest/1.cpp
new file mode 100644
index 0000000..4a20d97
--- /dev/null
+++ b/store/works/life/chuanzhi-cup/contest/1.cpp
@@ -0,0 +1,22 @@
+#include <cstdio>
+
+int main() {
+  int n, v, m, a;
+  std::scanf("%d%d%d%d", &n, &v, &m, &a);
+
+  int money = 0;
+
+  v -= a;
+
+  for (int i = 0; i < n; i++) {
+    if (i % m == 0) {
+      v += a;
+    }
+
+    money += v;
+  }
+
+  std::printf("%d", money);
+
+  return 0;
+}
+\ No newline at end of file