Compilare: main.c: In function 'main': main.c:70:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &num_q); ^~~~~~~~~~~~~~~~~~~ main.c:73:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &b); ^~~~~~~~~~~~~~~ main.c:76:7: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Frecv[i]); ^~~~~~~~~~~~~~~~~~~~~~ main.c:52:13: warning: 'cmb_val' may be used uninitialized in this function [-Wmaybe-uninitialized] anagram -= cmb_val; ~~~~~~~~^~~~~~~~~~ main.c:35:22: note: 'cmb_val' was declared here long long anagram, cmb_val; ^~~~~~~ main.c:34:13: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] int i, j, n; ^