#include <stdio.h> int main() { int i; int j; for (i = 1; i <= 9; i++) { for (n = 1; n <= 9; j++) { } return 0; } }
Standard input is empty
prog.c: In function ‘main’: prog.c:7:14: error: ‘n’ undeclared (first use in this function) scanf("%d",&n); ^ prog.c:7:14: note: each undeclared identifier is reported only once for each function it appears in
Standard output is empty