View Compilation Error

0_0_9368848_19636.cpp: In function `bool judge2()':
0_0_9368848_19636.cpp:46: error: `i' undeclared (first use this function)
0_0_9368848_19636.cpp:46: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9368848_19636.cpp:46: error: `repf' undeclared (first use this function)
0_0_9368848_19636.cpp:47: error: expected `;' before "if"