View Compilation Error

0_0_36444357_20945.cpp: In function 'int main()':
0_0_36444357_20945.cpp:61:5: error: 'nums' was not declared in this scope
     nums++;
     ^
0_0_36444357_20945.cpp:66:7: error: 'nums' was not declared in this scope
    if(nums == n-1)
       ^