View Compilation Error

0_0_12397495_31066.cpp: In function `void cal(int)':
0_0_12397495_31066.cpp:30: error: `i64' undeclared (first use this function)
0_0_12397495_31066.cpp:30: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12397495_31066.cpp:30: error: expected `;' before "conn"
0_0_12397495_31066.cpp:38: error: expected `;' before "tmp"
0_0_12397495_31066.cpp:44: error: `tmp' undeclared (first use this function)
0_0_12397495_31066.cpp:44: error: expected `;' before "meth"
0_0_12397495_31066.cpp:56: error: expected `;' before "bico"
0_0_12397495_31066.cpp: In function `int main()':
0_0_12397495_31066.cpp:70: error: `clr' undeclared (first use this function)