Compilare: user.c:4:5: warning: built-in function ‘fmin’ declared as non-function [enabled by default] int fmin[MAXN + 1]; ^ user.c: In function ‘precalc’: user.c:35:10: warning: unused variable ‘aux’ [-Wunused-variable] int i, aux; ^ user.c: In function ‘main’: user.c:74:3: warning: implicit declaration of function ‘memset’ [-Wimplicit-function-declaration] memset(rez, -1, sizeof rez); ^ user.c:74:3: warning: incompatible implicit declaration of built-in function ‘memset’ [enabled by default] user.c:72:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^