View Compilation Error

0_0_10710180_9675.cpp: In function `void solve()':
0_0_10710180_9675.cpp:62: error: expected `;' before "int"
0_0_10710180_9675.cpp:65: error: `r1' undeclared (first use this function)
0_0_10710180_9675.cpp:65: error: (Each undeclared identifier is reported only once for each function it appears in.)