Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
123899 陈华仁星 12序列的第n项 C++ Compile Error 0 MS 0 KB 131 2025-07-10 14:45:16

Tests(0/0):

Code:

int main() { int a=1; int n; scanf("%d",&n); for(int i=0;i<=n-1;i++) { a+=i; } printf("%d",a); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:15: error: 'scanf' was not declared in this scope
  scanf("%d",&n);
               ^
Main.cc:11:15: error: 'printf' was not declared in this scope
  printf("%d",a);
               ^