Main.cc: In function 'int main()':
Main.cc:7:2: error: expected ',' or ';' before 'for'
for(int i=0;i<100;i++)
^
Main.cc:7:14: error: 'i' was not declared in this scope
for(int i=0;i<100;i++)
^
Main.cc:6:7: warning: unused variable 'p' [-Wunused-variable]
int *p=a
^