Run id: 85858

Main.cc:21:11: error: '::main' must return 'int'
 void main() {
           ^
Main.cc: In function 'int main()':
Main.cc:26:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
        scanf("%d", &n);
                       ^