View Compilation Error

0_0_39543779_4675.cpp: In function 'void solve()':
0_0_39543779_4675.cpp:30:14: error: expected ';' before 'for'
   30 |     cin>>n>>m
      |              ^
      |              ;
   31 |     for(int i=1;i<=n;i++){
      |     ~~~       
0_0_39543779_4675.cpp:31:17: error: 'i' was not declared in this scope
   31 |     for(int i=1;i<=n;i++){
      |                 ^
0_0_39543779_4675.cpp: In function 'int main()':
0_0_39543779_4675.cpp:69:5: error: expected ';' before 'int'
   69 |     int T;cin>>T;while(T--)solve();
      |     ^~~
0_0_39543779_4675.cpp:69:16: error: 'T' was not declared in this scope
   69 |     int T;cin>>T;while(T--)solve();
      |                ^