Compilare: user.cpp: In function ‘int dinprog()’: user.cpp:16:47: warning: unused variable ‘min’ [-Wunused-variable] unsigned int ngen = -1, enec = -1, i = 0, min = -1, used[1000], eavailable = 0, totalcost = 0, tempcost = 0, tempeavailable, first = 1, j; ^ user.cpp:23:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%u", &ngen); ^ user.cpp:30:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%u", &enec); ^ user.cpp:105:30: warning: ‘maxcost’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ((used[(f - e)] == 1) && (tempeavailable - f->prod >= i)) ^ user.cpp:17:20: warning: ‘mincost’ may be used uninitialized in this function [-Wmaybe-uninitialized] energ *e, *f, *mincost, *maxcost; ^