View Compilation Error

0_0_33598441_30556.cpp: In function 'void solve()':
0_0_33598441_30556.cpp:154:9: error: 'k' was not declared in this scope
     if (k == 1)
         ^
0_0_33598441_30556.cpp:159:5: error: expected primary-expression before '}' token
     }
     ^
0_0_33598441_30556.cpp:159:5: error: return-statement with a value, in function returning 'void' [-fpermissive]
0_0_33598441_30556.cpp:159:5: error: expected ';' before '}' token