View Compilation Error

0_0_1151708_11979.cpp: In function `int search(int, char*)':
0_0_1151708_11979.cpp:6: error: `_int64' undeclared (first use this function)
0_0_1151708_11979.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1151708_11979.cpp:6: error: expected `;' before "nn"
0_0_1151708_11979.cpp:11: error: `nn' undeclared (first use this function)