Compilare: user.c: In function ‘main’: user.c:45:5: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] h=(int*)malloc(N*sizeof(int)); ^ user.c:45:13: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] h=(int*)malloc(N*sizeof(int)); ^ user.c:42:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%i",&N); ^ user.c:43:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%i",&H); ^ user.c:44:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%i",&U); ^ user.c:50:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%i",&h[i]); ^ user.c:51:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%i",&g[i]); ^ user.c:70:18: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] g[x]=0; ^