View Compilation Error

0_0_12119623_2578.cpp: In function `int main()':
0_0_12119623_2578.cpp:95: error: `u' undeclared (first use this function)
0_0_12119623_2578.cpp:95: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12119623_2578.cpp:95: error: `v' undeclared (first use this function)
0_0_12119623_2578.cpp:95: error: `c' undeclared (first use this function)
0_0_12119623_2578.cpp:98: error: `s' undeclared (first use this function)
0_0_12119623_2578.cpp:98: error: `t' undeclared (first use this function)
0_0_12119623_2578.cpp:98: error: `N' undeclared (first use this function)