View Compilation Error

0_0_11767585_32015.cpp: In function `void solve(int, int)':
0_0_11767585_32015.cpp:229: error: `roo' undeclared (first use this function)
0_0_11767585_32015.cpp:229: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11767585_32015.cpp:229: error: expected `;' at end of input
0_0_11767585_32015.cpp:229: error: expected `}' at end of input
0_0_11767585_32015.cpp:229: error: expected `}' at end of input
0_0_11767585_32015.cpp:229: error: expected `}' at end of input