Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
72580 殷震轩 数列求和 C++ Wrong Answer 1 MS 276 KB 250 2024-05-11 18:30:32

Tests(2/5):

Code:

#include <iostream> using namespace std; int main() { int n; cin >> n; int sum = 0; int m = 1; for (int i = 0; i < n; i++ ) { sum += m; m *= 2; } cout << sum << endl; return 0; }

Run Info:

------Input------

40

------Answer-----

1099511627775

------Your output-----

-1