Eroare de compilare: main.c: In function 'main': main.c:10:32: error: 'i' undeclared (first use in this function) for(int j = 1 ; j <= N && j>=i-j; j++){ ^ main.c:10:32: note: each undeclared identifier is reported only once for each function it appears in main.c:5:3: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] { freopen("crescator2.in","r",stdin); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:3: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("crescator2.out","w",stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:8:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^~~~~~~~~~~~~~ Non zero exit status: 1