View Compilation Error

0_0_6940886_29770.cpp: In function `int main()':
0_0_6940886_29770.cpp:13: error: `t' undeclared (first use this function)
0_0_6940886_29770.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6940886_29770.cpp:15: error: `n' undeclared (first use this function)
0_0_6940886_29770.cpp:16: error: `i' undeclared (first use this function)
0_0_6940886_29770.cpp:17: error: `p' undeclared (first use this function)
0_0_6940886_29770.cpp:19: error: `j' undeclared (first use this function)
0_0_6940886_29770.cpp:20: error: `cnt' undeclared (first use this function)
0_0_6940886_29770.cpp:24: error: `l' undeclared (first use this function)