View Compilation Error

0_0_27953627_5629.cpp: In function 'int main()':
0_0_27953627_5629.cpp:56:9: error: expected ',' or ';' before 'for'
         for(int r2=0; r2<=cnt2&&r2<=K&&!ans; r2++)
         ^
0_0_27953627_5629.cpp:56:23: error: 'r2' was not declared in this scope
         for(int r2=0; r2<=cnt2&&r2<=K&&!ans; r2++)
                       ^