Eroare de compilare: user.c: In function ‘readinput’: user.c:23:7: error: ‘i’ undeclared (first use in this function) for( i = 1; i <= N; i++ ) ^ user.c:23:7: note: each undeclared identifier is reported only once for each function it appears in user.c:14:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri2.in", "rt", stdin ); ^ user.c:15:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%u%u", &N, &K ); ^ user.c:19:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%u%u", &a, &b ); ^ user.c: In function ‘writeoutput’: user.c:59:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri2.out", "wt", stdout ); ^