View Compilation Error

0_0_6942167_26063.cpp: In function `int myc(int, int)':
0_0_6942167_26063.cpp:10: error: expected `;' before '}' token
0_0_6942167_26063.cpp: In function `int main()':
0_0_6942167_26063.cpp:30: error: `r' undeclared (first use this function)
0_0_6942167_26063.cpp:30: error: (Each undeclared identifier is reported only once for each function it appears in.)