0_0_35528875_17831.cpp: In function 'int main()': 0_0_35528875_17831.cpp:6:5: error: '_int64' was not declared in this scope _int64 a[10000]; ^ 0_0_35528875_17831.cpp:9:9: error: 'a' was not declared in this scope a[0]=0;a[1]=1; ^