Borderou de evaluare (job #804944)

Eroare de compilare: main.c: In function 'main': main.c:18:14: error: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration] 18 | sq = sqrt(i); | ^~~~ main.c:3:1: note: include '<math.h>' or provide a declaration of 'sqrt' 2 | #include <stdlib.h> +++ |+#include <math.h> 3 | main.c:18:14: warning: incompatible implicit declaration of built-in function 'sqrt' [-Wbuiltin-declaration-mismatch] 18 | sq = sqrt(i); | ^~~~ main.c:18:14: note: include '<math.h>' or provide a declaration of 'sqrt' main.c:13:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | fscanf(fin, "%d%d", &q, &k); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:31:9: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 31 | fscanf(fin, "%d%d", &l,&r); | ^~~~~~~~~~~~~~~~~~~~~~~~~~