View Compilation Error

0_0_9582863_1316.cpp: In function `int main()':
0_0_9582863_1316.cpp:80: error: `s' undeclared (first use this function)
0_0_9582863_1316.cpp:80: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9582863_1316.cpp:80: error: `t' undeclared (first use this function)