View Compilation Error

0_0_39151780_21602.cpp: In function 'int main()':
0_0_39151780_21602.cpp:12:15: error: 'cin' was not declared in this scope
   12 |         while(cin>>n>>m){
      |               ^~~
0_0_39151780_21602.cpp:56:38: error: expected primary-expression before '}' token
   56 |                 for(int i=0;i<kk;i++)}{
      |                                      ^
0_0_39151780_21602.cpp:57:17: error: 'cout' was not declared in this scope
   57 |                 cout<<d[i];}
      |                 ^~~~
0_0_39151780_21602.cpp:57:25: error: 'i' was not declared in this scope
   57 |                 cout<<d[i];}
      |                         ^
0_0_39151780_21602.cpp: At global scope:
0_0_39151780_21602.cpp:59:1: error: expected declaration before '}' token
   59 | }
      | ^