Compilare: user.cpp: In function ‘int tpmin(int)’: user.cpp:28:5: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(timpmin[nod]==NECALC) ^ user.cpp: In function ‘int main()’: user.cpp:58:10: warning: statement has no effect [-Wunused-value] for(t; t>0; t--){ ^ user.cpp:56:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:64:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:66:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &a, &b); ^