Borderou de evaluare (job #817511)

Eroare de compilare: main.c: In function 'main': main.c:26:17: error: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration] 26 | d = sqrt(abs(y - l[i]) * abs(y - l[i]) + abs(x - c[i]) * abs(x - c[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:26:17: warning: incompatible implicit declaration of built-in function 'sqrt' [-Wbuiltin-declaration-mismatch] 26 | d = sqrt(abs(y - l[i]) * abs(y - l[i]) + abs(x - c[i]) * abs(x - c[i])); | ^~~~ main.c:26:17: note: include '<math.h>' or provide a declaration of 'sqrt' main.c:15:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 15 | fscanf(fin, "%d%d", &C, &N); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:18:9: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 18 | fscanf(fin, "%d%d", &l[i], &c[i]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:20:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 20 | fscanf(fin, "%d%d", &y, &x); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~