View Compilation Error

0_0_12935943_30155.cpp: In function `int H()':
0_0_12935943_30155.cpp:123: error: `vis' undeclared (first use this function)
0_0_12935943_30155.cpp:123: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12935943_30155.cpp: At global scope:
0_0_12935943_30155.cpp:134: error: `bool vis[1010]' used prior to declaration