View Compilation Error

0_0_12197404_5509.cpp: In function `void check()':
0_0_12197404_5509.cpp:125: error: `x' undeclared (first use this function)
0_0_12197404_5509.cpp:125: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12197404_5509.cpp: At global scope:
0_0_12197404_5509.cpp:140: error: expected declaration before '}' token