View Compilation Error

0_0_4561771_4766.cpp: In function `void solve()':
0_0_4561771_4766.cpp:129: error: expected primary-expression before "else"
0_0_4561771_4766.cpp:129: error: expected `;' before "else"
0_0_4561771_4766.cpp:135: error: `cur' undeclared (first use this function)
0_0_4561771_4766.cpp:135: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4561771_4766.cpp: At global scope:
0_0_4561771_4766.cpp:139: error: expected declaration before '}' token