Main.cc: In function 'int main()':
Main.cc:8:20: error: expected primary-expression before ';' token
for(int i=m;i<=;i++)
^
Main.cc:9:9: warning: unused variable 'even_sum' [-Wunused-variable]
int even_sum = 0; // 偶数和
^
Main.cc:17:13: error: 'even_sum' was not declared in this scope
even_sum += i;
^
Main.cc:25:13: error: 'even_sum' was not declared in this scope
cout << even_sum << " " << odd_sum;
^