Compilare: main.cpp: In function 'int main()': main.cpp:2:157: warning: statement has no effect [-Wunused-value] 2 | using namespace std;int v[1<<14], g[1<<14],x[1<<14];int main(){ifstream z("rucsac.in");ofstream o("rucsac.out");int i,j,n,m;z>>n>>m;for(i=1;i<=n;i++)i>>g[i]>>x[i];for(i=1;i<=n;i++)for(j=m;j>=g[i];j--)v[j]=max(v[j-g[i]]+x[i],v[j]);o<<v[m]<<'\n';} | ~~~~~~~^~~~~~