0_0_19739399_20540.cpp: In function 'int main(int, char**)': 0_0_19739399_20540.cpp:8:5: error: '_int64' was not declared in this scope _int64 a[55] = {}; ^ 0_0_19739399_20540.cpp:10:2: error: 'a' was not declared in this scope a[1] = 1; ^