/in/foo.c: In function 'main':
/in/foo.c:5:24: warning: unused variable 'j' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
                        ^
/in/foo.c:5:21: warning: unused variable 'i' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
                     ^
/in/foo.c:5:18: warning: unused variable 'c' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
                  ^
/in/foo.c:5:15: warning: unused variable 'b' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
               ^
/in/foo.c:5:12: warning: unused variable 'a' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
            ^
/in/foo.c:5:9: warning: unused variable 'm' [-Wunused-variable]
  int n, m, a, b, c, i, j, count=0;
         ^