Submission #899711

#TimeUsernameProblemLanguageResultExecution timeMemory
899711ivazivaA Huge Tower (CEOI10_tower)C++14
85 / 100
1062 ms19384 KiB
#include <bits/stdc++.h> using namespace std; #define MOD 1000000009 long long n,d; vector<long long> niz; vector<long long> val; vector<long long> levo,desno; void mergee(long long l,long long mid,long long r) { for (long long i=l;i<=mid;i++) levo.push_back(niz[i]); for (long long i=mid+1;i<=r;i++) desno.push_back(niz[i]); long long poz1=0,poz2=0; long long poz=l; while (poz1<levo.size() and poz2<desno.size()) { if (levo[poz1]<desno[poz2]) { niz[poz]=levo[poz1]; poz1++;poz++; } else { niz[poz]=desno[poz2]; poz2++;poz++; } } while (poz1<levo.size()) { niz[poz]=levo[poz1]; poz1++;poz++; } while (poz2<desno.size()) { niz[poz]=desno[poz2]; poz2++;poz++; } levo.clear();desno.clear(); } void mergesort(long long l,long long r) { if (l>=r) return; long long mid=(l+r)/2; mergesort(l,mid); mergesort(mid+1,r); mergee(l,mid,r); } int main() { ios_base::sync_with_stdio(false); ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin>>n>>d; niz.push_back(0); val.push_back(0); for (long long i=1;i<=n;i++) { long long x; cin>>x; niz.push_back(x); } mergesort(1,n); for (long long i=1;i<=n;i++) { long long br=0; for (long long j=i-1;j>=1;j--) { if (niz[i]-niz[j]<=d) br++; else break; } val.push_back(br); } long long ans=1; for (long long i=1;i<=n;i++) { ans*=(val[i]+1); if (ans>=MOD) ans%=MOD; } cout<<ans<<endl; }

Compilation message (stderr)

tower.cpp: In function 'void mergee(long long int, long long int, long long int)':
tower.cpp:18:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     while (poz1<levo.size() and poz2<desno.size())
      |            ~~~~^~~~~~~~~~~~
tower.cpp:18:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     while (poz1<levo.size() and poz2<desno.size())
      |                                 ~~~~^~~~~~~~~~~~~
tower.cpp:31:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     while (poz1<levo.size())
      |            ~~~~^~~~~~~~~~~~
tower.cpp:36:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     while (poz2<desno.size())
      |            ~~~~^~~~~~~~~~~~~
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