View Compilation Error

0_0_34813100_8642.cpp: In function 'int main()':
0_0_34813100_8642.cpp:55:16: error: missing template arguments before '[' token
    if(has[stack[i] - 'a'] > l[stack[i] - 'a'] && tmp != 0) mark[i] = 1, tmp--;
                ^
0_0_34813100_8642.cpp:55:36: error: missing template arguments before '[' token
    if(has[stack[i] - 'a'] > l[stack[i] - 'a'] && tmp != 0) mark[i] = 1, tmp--;
                                    ^