View Compilation Error

0_0_29184441_29453.cpp: In function 'int main()':
0_0_29184441_29453.cpp:37:9: error: 'sd' was not declared in this scope
     sd(_);
         ^
0_0_29184441_29453.cpp:41:16: error: 'sdd' was not declared in this scope
         sdd(n,m);
                ^
0_0_29184441_29453.cpp:53:20: error: expected ')' before ';' token
         while(i = 1;i <= m;i++){
                    ^
0_0_29184441_29453.cpp:53:31: error: expected ';' before ')' token
         while(i = 1;i <= m;i++){
                               ^
0_0_29184441_29453.cpp:78:1: error: expected '}' at end of input
 }
 ^
0_0_29184441_29453.cpp:78:1: error: expected '}' at end of input