Compilare: main.cpp: In function 'int main()': main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<n;++i) ~^~ main.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;++i) fin>>v[n*(n-1)/2+i].c, sum+=v[n*(n-1)/2+i].c; ~^~~ main.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w[i]>v[i].c) s=w[i]-v[i].c; ~~~~^~~~~~~ main.cpp:49:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w[i]<v[i].c) ok=0, i=n1+1; ~~~~^~~~~~~ main.cpp:58:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<n;++i) ~^~ main.cpp:67:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s>sum) sum=s, l=i; ~^~~~ main.cpp:69:18: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<l<<"\n"; ^~~~