Compilare: main.cpp: In function 'int main()': main.cpp:2:142: warning: statement has no effect [-Wunused-value] using namespace std;ifstream f("sobo.in");ofstream g("sobo.out");int d[33000],x[1009],n,l,i(0),j,c[2][1009];string s;int main(){f>>n>>l;for(i;i<n;++i){f>>s;for(j=0;j<l;++j)c[s[j]-'0'][j]|=(1<<i);}for(i=0;i<l;++i)f>>x[i];for(i=0;i<(1<<n);++i)d[i]=1e9;for(i=0;i<n;++i)d[1<<i] = 0;for(i=1;i<(1<<n);++i)for(j=0;j<l;++j)d[i]=min(d[i],x[j]+max(d[i&c[1][j]],d[i&c[0][j]]));g<<d[(1<<n)-1];} ^