View Compilation Error

0_0_28392432_4058.cpp: In function 'int main()':
0_0_28392432_4058.cpp:20:30: error: 'n' was not declared in this scope
     while (scanf("%lf%d",&m,&n)!=EOF){  
                              ^
0_0_28392432_4058.cpp:23:14: error: 'i' was not declared in this scope
         for (i=0;i<n;i++){   
              ^
0_0_28392432_4058.cpp:28:18: error: 'i' was not declared in this scope
             for (i=0;i<n&&m;i++){  
                  ^