Compilare: main.cpp:2:57: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] using namespace std;long long v[100000],v2[100000];main(){long long i,n,k,a=-1,x;freopen("ksecv3.in","r",stdin);freopen("ksecv3.out","w",stdout);scanf("%lld%lld%lld", &n, &k, &v[0]);for (i=1;i<n;i++)scanf("%lld", &v[i]),v[i]+=v[i-1];if (v[n-1]%k!=0)printf("-1");else {x=v[n-1]/k;for (i=0;i<n;i++)if ((a==-1 && v[i]==x) || v[i]-v[v2[a]]==x)a++,v2[a]=i;if (a!=k-1)printf("-1");else for(i=0;i<k;i++)printf("%lld ",v2[i]+1);}return 0;} ^ main.cpp: In function 'int main()': main.cpp:2:112: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long v[100000],v2[100000];main(){long long i,n,k,a=-1,x;freopen("ksecv3.in","r",stdin);freopen("ksecv3.out","w",stdout);scanf("%lld%lld%lld", &n, &k, &v[0]);for (i=1;i<n;i++)scanf("%lld", &v[i]),v[i]+=v[i-1];if (v[n-1]%k!=0)printf("-1");else {x=v[n-1]/k;for (i=0;i<n;i++)if ((a==-1 && v[i]==x) || v[i]-v[v2[a]]==x)a++,v2[a]=i;if (a!=k-1)printf("-1");else for(i=0;i<k;i++)printf("%lld ",v2[i]+1);}return 0;} ^ main.cpp:2:145: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long v[100000],v2[100000];main(){long long i,n,k,a=-1,x;freopen("ksecv3.in","r",stdin);freopen("ksecv3.out","w",stdout);scanf("%lld%lld%lld", &n, &k, &v[0]);for (i=1;i<n;i++)scanf("%lld", &v[i]),v[i]+=v[i-1];if (v[n-1]%k!=0)printf("-1");else {x=v[n-1]/k;for (i=0;i<n;i++)if ((a==-1 && v[i]==x) || v[i]-v[v2[a]]==x)a++,v2[a]=i;if (a!=k-1)printf("-1");else for(i=0;i<k;i++)printf("%lld ",v2[i]+1);}return 0;} ^ main.cpp:2:182: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long v[100000],v2[100000];main(){long long i,n,k,a=-1,x;freopen("ksecv3.in","r",stdin);freopen("ksecv3.out","w",stdout);scanf("%lld%lld%lld", &n, &k, &v[0]);for (i=1;i<n;i++)scanf("%lld", &v[i]),v[i]+=v[i-1];if (v[n-1]%k!=0)printf("-1");else {x=v[n-1]/k;for (i=0;i<n;i++)if ((a==-1 && v[i]==x) || v[i]-v[v2[a]]==x)a++,v2[a]=i;if (a!=k-1)printf("-1");else for(i=0;i<k;i++)printf("%lld ",v2[i]+1);}return 0;} ^ main.cpp:2:233: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long v[100000],v2[100000];main(){long long i,n,k,a=-1,x;freopen("ksecv3.in","r",stdin);freopen("ksecv3.out","w",stdout);scanf("%lld%lld%lld", &n, &k, &v[0]);for (i=1;i<n;i++)scanf("%lld", &v[i]),v[i]+=v[i-1];if (v[n-1]%k!=0)printf("-1");else {x=v[n-1]/k;for (i=0;i<n;i++)if ((a==-1 && v[i]==x) || v[i]-v[v2[a]]==x)a++,v2[a]=i;if (a!=k-1)printf("-1");else for(i=0;i<k;i++)printf("%lld ",v2[i]+1);}return 0;} ^