View Compilation Error

0_0_9340494_2340.cpp: In function `int main()':
0_0_9340494_2340.cpp:21: error: `temp' undeclared (first use this function)
0_0_9340494_2340.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9340494_2340.cpp:22: error: `tempi' undeclared (first use this function)
0_0_9340494_2340.cpp:24: error: `i' undeclared (first use this function)
0_0_9340494_2340.cpp:26: error: `u' undeclared (first use this function)
0_0_9340494_2340.cpp: At global scope:
0_0_9340494_2340.cpp:31: error: expected unqualified-id before "return"
0_0_9340494_2340.cpp:31: error: expected `,' or `;' before "return"
0_0_9340494_2340.cpp:32: error: expected declaration before '}' token