Compilare: main.cpp: In function 'void d(int)': main.cpp:45:29: warning: statement has no effect [-Wunused-value] v[vecin]<da.b+cost[poz]; ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ main.cpp:62:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&x,&y,&cost[++k]); ^