View Compilation Error

85001_0_25605.cpp: In function `long long int search(int, int)':
85001_0_25605.cpp:39: error: `_int64' undeclared (first use this function)
85001_0_25605.cpp:39: error: (Each undeclared identifier is reported only once for each function it appears in.)
85001_0_25605.cpp:39: error: expected `;' before "all"
85001_0_25605.cpp:58: error: `all' undeclared (first use this function)