./Main.cpp: In function ‘int main()’:
./Main.cpp:5:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
long long a[4];scanf("%I64d%I64d%I64d",&a[0],&a[1],&a[2]);
^
./Main.cpp:5:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=]
./Main.cpp:5:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long long int*’ [-Wformat=]
./Main.cpp:9:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
else printf("%I64d",a[0]*a[1]);
^
./Main.cpp:5:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
long long a[4];scanf("%I64d%I64d%I64d",&a[0],&a[1],&a[2]);
^