foo.cpp: In function 'int main()':
foo.cpp:48:1: error: expected primary-expression before '}' token
 }
 ^
foo.cpp:48:1: error: expected ':' before '}' token
foo.cpp:48:1: error: expected primary-expression before '}' token
foo.cpp:48:1: error: expected ';' before '}' token
foo.cpp:27:14: warning: unused variable 'j' [-Wunused-variable]
  int i,t,a,b,j;
              ^