Submission #75027

#	Time	Username	Problem	Language	Result	Execution time	Memory
75027		cheetose	Box Run (FXCUP3_box)	C++11	17 / 100	1081 ms	70364 KiB

box

#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define INF 987654321
#define PI 3.14159265358979323846264
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset(a,0,sizeof(a));
#define MEM_1(a) memset(a,-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<double, double> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1 }, dy[] = { 1,0,-1,0 };
int ddx[] = { 0,0,1,1,1,-1,-1,-1 }, ddy[] = { 1,-1,1,0,-1,1,0,-1 };

int a[500000];
map<int,int> M;
Vi v[500000];
int ans[500000];
set<Pi> S;
Vi vv;
int main() {
	fill(ans,ans+500000,INF);
	int n;
	scanf("%d",&n);
	fup(i,0,n-1,1)
	{
		scanf("%d",a+i);
		vv.pb(a[i]);
	}
	sort(ALL(vv));
	vv.resize(unique(ALL(vv))-vv.begin());
	int N=vv.size();
	fup(i,0,N-1,1)M[vv[i]]=i;
	fup(i,0,n-1,1)a[i]=M[a[i]];
	fup(i,0,n-1,1)v[a[i]].pb(i);
	S.insert(mp(n-1,0));
	fdn(i,N-1,0,1)
	{
		int nn=v[i].size();
		fup(j,0,nn-1,1)
		{
			int t=v[i][j];
			auto it=S.lower_bound(mp(t,-1));
			int L=it->Y,R=it->X;
			S.erase(it);
			int ll=L,rr=t-1;
			if(ll<=rr)
			{
				int as=rr-ll;
				if(rr!=n-1)ans[as]=min(ans[as],rr+1);
				S.insert(mp(rr,ll));
			}
			ll=t+1,rr=R;
			if(ll<=rr)
			{
				int as=rr-ll;
				if(rr!=n-1)ans[as]=min(ans[as],rr+1);
				S.insert(mp(rr,ll));
			}
		}
	}
	fdn(i,n-2,0,1)ans[i]=min(ans[i],ans[i+1]);
	fup(i,0,n-1,1)printf("%d ",ans[i]==INF?-1:ans[i]-i);
}

Compilation message (stderr)

box.cpp: In function 'int main()':
box.cpp:69:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
box.cpp:72:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",a+i);
   ~~~~~^~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 83