Submission #72256

#	Time	Username	Problem	Language	Result	Execution time	Memory
72256		호우주의보 (#118)	Box Run (FXCUP3_box)	C++17	100 / 100	971 ms	32992 KiB

box

#pragma GCC optimize("-O3")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int N,M;
vector<tuple<int,int> >V;
set<int> S;
int lenn[500005];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>N;
    fill (lenn,lenn+N+1,N+1);
    V.push_back(make_tuple(-1000000001,0));
    for(int i=1;i<=N;i++)
    {
        int T;
        cin>>T;
        V.push_back(make_tuple(-T,i));
    }
    sort(V.begin(),V.end());
    for(int i=0;i<V.size();)
    {
        for(int j=i;get<0>(V[i])==get<0>(V[j]);j++)
            S.insert(get<1>(V[j]));
        for(int j=i;get<0>(V[i])==get<0>(V[j]);j++)
        {
            auto K=S.lower_bound(get<1>(V[j]));
            if(K!=S.begin())
            {
                int&R=lenn[get<1>(V[j])-*(--K)-1];
                R=min(R,get<1>(V[j]));
            }
        }
        for(i++;get<0>(V[i])==get<0>(V[i-1]);i++);
    }
    for(int i=N-1;i;i--)lenn[i]=min(lenn[i],lenn[i+1]);
    for(int i=1;i<=N;i++)
    {
        if(lenn[i]==N+1)printf("-1 ");
        else printf("%d ",lenn[i]-i);
    }
}

Compilation message (stderr)

box.cpp: In function 'int main()':
box.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<V.size();)
                 ~^~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 83 / 83