Compilare: main.cpp: In function 'int bellman()': main.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:101:58: warning: unused variable 'pf' [-Wunused-variable] int n , k , a , b , i , j , sol , costt , c , flow , pf; ^~ main.cpp:102:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d%d",&n,&k,&a,&b); ^ main.cpp:106:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&w[i]); ^ main.cpp:136:17: warning: 'c' is used uninitialized in this function [-Wuninitialized] cap[d-1][d] = c; /// ce ai fixat ~~~~~~~~~~~~^~~