oj.uz

답안 #763683

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
763683 2023-06-22T15:33:22 Z PoonYaPat Pinball (JOI14_pinball) C++14
100 / 100
 419 ms 50720 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pii;

pii s[1<<20];

pii merge(pii a, pii b) {return pii(min(a.first,b.first),min(a.second,b.second));};

void update(int l, int r, int idx, int x, ll val, int mode) { //0 - to left-most, 1 - right-most
    if (x>r || x<l) return;
    if (l==r) {
        if (mode==0) s[idx].first=min(s[idx].first,val);
        else s[idx].second=min(s[idx].second,val);
    } else {
        int mid=(l+r)/2;
        update(l,mid,2*idx,x,val,mode);
        update(mid+1,r,2*idx+1,x,val,mode);
        s[idx]=merge(s[2*idx],s[2*idx+1]);
    }
}

pii query(int l, int r, int idx, int x, int y) {
    if (x>r || y<l) return pii(LLONG_MAX,LLONG_MAX);
    if (x<=l && r<=y) return s[idx];
    int mid=(l+r)/2;
    return merge(query(l,mid,2*idx,x,y),query(mid+1,r,2*idx+1,x,y));
}

int mx,n,a[100001],b[100001],c[100001];
ll w[100001];
set<int> ss;
map<int,int> pos;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    for (int i=0; i<(1<<20); ++i) s[i]=pii(LLONG_MAX,LLONG_MAX);

    cin>>n>>mx;
    ss.insert(1);
    ss.insert(mx);
    for (int i=0; i<n; ++i) {
        cin>>a[i]>>b[i]>>c[i]>>w[i];
        ss.insert(a[i]);
        ss.insert(b[i]);
        ss.insert(c[i]);
    }

    int cnt=0;
    for (auto h : ss) pos[h]=++cnt;

    ll ans=LLONG_MAX;
    for (int i=0; i<n; ++i) {
        int l=pos[a[i]], r=pos[b[i]], hole=pos[c[i]];
        pii res=query(1,cnt,1,l,r);

        ll Ans=w[i], toL=w[i], toR=w[i];
        bool haveL=true, haveR=true;

        if (r!=cnt) {
            if (res.second==LLONG_MAX) haveR=false;
            else Ans+=res.second, toR+=res.second;
        }

        if (l!=1) {
            if (res.first==LLONG_MAX) haveL=false;
            else Ans+=res.first, toL+=res.first;
        }

        if (haveL && haveR) ans=min(ans,Ans);
        if (haveL) update(1,cnt,1,hole,toL,0);
        if (haveR) update(1,cnt,1,hole,toR,1);
    }

    if (ans==LLONG_MAX) cout<<-1;
    else cout<<ans;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 16736 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 9 ms 16668 KB Output is correct
5 Correct 8 ms 16660 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 8 ms 16696 KB Output is correct
8 Correct 8 ms 16744 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 16736 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 9 ms 16668 KB Output is correct
5 Correct 8 ms 16660 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 8 ms 16696 KB Output is correct
8 Correct 8 ms 16744 KB Output is correct
9 Correct 7 ms 16724 KB Output is correct
10 Correct 7 ms 16748 KB Output is correct
11 Correct 7 ms 16740 KB Output is correct
12 Correct 7 ms 16724 KB Output is correct
13 Correct 8 ms 16752 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 16736 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 9 ms 16668 KB Output is correct
5 Correct 8 ms 16660 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 8 ms 16696 KB Output is correct
8 Correct 8 ms 16744 KB Output is correct
9 Correct 7 ms 16724 KB Output is correct
10 Correct 7 ms 16748 KB Output is correct
11 Correct 7 ms 16740 KB Output is correct
12 Correct 7 ms 16724 KB Output is correct
13 Correct 8 ms 16752 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 10 ms 16728 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 9 ms 16852 KB Output is correct
18 Correct 8 ms 16744 KB Output is correct
19 Correct 9 ms 17144 KB Output is correct
20 Correct 8 ms 16892 KB Output is correct
21 Correct 8 ms 16852 KB Output is correct
22 Correct 9 ms 16980 KB Output is correct
23 Correct 9 ms 17060 KB Output is correct
24 Correct 9 ms 16980 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 16736 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 9 ms 16668 KB Output is correct
5 Correct 8 ms 16660 KB Output is correct
6 Correct 7 ms 16724 KB Output is correct
7 Correct 8 ms 16696 KB Output is correct
8 Correct 8 ms 16744 KB Output is correct
9 Correct 7 ms 16724 KB Output is correct
10 Correct 7 ms 16748 KB Output is correct
11 Correct 7 ms 16740 KB Output is correct
12 Correct 7 ms 16724 KB Output is correct
13 Correct 8 ms 16752 KB Output is correct
14 Correct 8 ms 16724 KB Output is correct
15 Correct 10 ms 16728 KB Output is correct
16 Correct 10 ms 16724 KB Output is correct
17 Correct 9 ms 16852 KB Output is correct
18 Correct 8 ms 16744 KB Output is correct
19 Correct 9 ms 17144 KB Output is correct
20 Correct 8 ms 16892 KB Output is correct
21 Correct 8 ms 16852 KB Output is correct
22 Correct 9 ms 16980 KB Output is correct
23 Correct 9 ms 17060 KB Output is correct
24 Correct 9 ms 16980 KB Output is correct
25 Correct 25 ms 18860 KB Output is correct
26 Correct 79 ms 23292 KB Output is correct
27 Correct 175 ms 30164 KB Output is correct
28 Correct 114 ms 22764 KB Output is correct
29 Correct 128 ms 28152 KB Output is correct
30 Correct 157 ms 24176 KB Output is correct
31 Correct 302 ms 38312 KB Output is correct
32 Correct 315 ms 33868 KB Output is correct
33 Correct 42 ms 23216 KB Output is correct
34 Correct 139 ms 33680 KB Output is correct
35 Correct 226 ms 50688 KB Output is correct
36 Correct 419 ms 50708 KB Output is correct
37 Correct 322 ms 50720 KB Output is correct
38 Correct 322 ms 50668 KB Output is correct