View Compilation Error

0_0_31022929_6412.cpp: In function 'int main()':
0_0_31022929_6412.cpp:24:12: error: 'mark' was not declared in this scope
       if (!mark[j]) {
            ^
0_0_31022929_6412.cpp:29:9: error: 'j' was not declared in this scope
     if (j == 0)//没有找到安排时间 扣分       
         ^
0_0_31022929_6412.cpp:30:15: error: 'H' was not declared in this scope
        sum += H[i].score;
               ^
0_0_31022929_6412.cpp:33:7: error: 'mark' was not declared in this scope
       mark[i] = 0;
       ^