oj.uz

답안 #314361

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
314361 2020-10-19T18:36:53 Z ivan_tudor Pinball (JOI14_pinball) C++14
100 / 100
 629 ms 95736 KB 
#include<bits/stdc++.h>
using namespace std;
const long long INF = LLONG_MAX;
struct AINT_node{
  int l,r;
  long long val;
  AINT_node *ls,*rs;
  AINT_node(int _l,int _r){
    l = _l;
    r= _r;
    val = INF;
    ls = rs = NULL;
  }
  void merg(){
    val = INF;
    if(rs!=NULL){
      val = min(val, rs->val);
    }
    if(ls!=NULL){
      val = min(val, ls->val);
    }
  }
};

void add(AINT_node *nod, int poz, long long val){
  if(nod->l == nod->r){
    nod->val =min(nod->val,val);
    return;
  }
  int mid = (nod->l + nod->r) / 2;
  if(poz <= mid){
    if(nod->ls == NULL){
      nod->ls = new AINT_node(nod->l,mid);
    }
    add(nod->ls,poz,val);
  }
  else{
    if(nod->rs == NULL){
      nod->rs = new AINT_node(mid+1, nod->r);
    }
    add(nod->rs,poz,val);
  }
  (*nod).merg();
}
long long query(AINT_node *nod,int ql,int qr){
  if(nod->r < ql || nod->l > qr){
    return INF;
  }
  if(ql <= nod->l && nod->r <=qr)
    return nod->val;
  long long lrsp, rrsp;
  if(nod->ls != NULL)
    lrsp = query(nod->ls, ql, qr);
  else
    lrsp = INF;
  if(nod -> rs !=NULL)
    rrsp = query(nod->rs , ql, qr);
  else
    rrsp = INF;
  return min(lrsp,rrsp);
}
const int M_MAX = 100005;
int main()
{
  //freopen(".in","r",stdin);
  ios::sync_with_stdio(false);
  cin.tie(0),cout.tie(0);
  int m,n;
  cin>>m>>n;
  AINT_node *st = new AINT_node(1,n);
  AINT_node *dr = new AINT_node(1,n);
  long long ans = INF;
  for(int i=1;i<=m;i++){
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    long long dpst,dpdr;
    if(a == 1)
      dpst = 0;
    else
      dpst = query(st, a, b);
    if(b == n)
      dpdr = 0;
    else
      dpdr = query(dr, a, b);
    if(dpst != INF)
      dpst +=  d;
    if(dpdr != INF)
      dpdr += d;
    if(dpst != INF && dpdr != INF)
      ans = min(ans, dpst + dpdr - d);
    if(dpst != INF)
      add(st, c, dpst);
    if(dpdr != INF)
      add(dr, c, dpdr);
  }
  if(ans == INF){
    cout<<-1;
    return 0;
  }
  cout<<ans;
  return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 640 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 4 ms 1536 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 3 ms 1280 KB Output is correct
20 Correct 4 ms 1280 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 2 ms 768 KB Output is correct
23 Correct 3 ms 1280 KB Output is correct
24 Correct 2 ms 1024 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 4 ms 1536 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 3 ms 1280 KB Output is correct
20 Correct 4 ms 1280 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 2 ms 768 KB Output is correct
23 Correct 3 ms 1280 KB Output is correct
24 Correct 2 ms 1024 KB Output is correct
25 Correct 26 ms 5376 KB Output is correct
26 Correct 94 ms 20984 KB Output is correct
27 Correct 355 ms 47988 KB Output is correct
28 Correct 289 ms 2680 KB Output is correct
29 Correct 199 ms 41208 KB Output is correct
30 Correct 477 ms 16436 KB Output is correct
31 Correct 629 ms 95736 KB Output is correct
32 Correct 596 ms 76280 KB Output is correct
33 Correct 29 ms 8440 KB Output is correct
34 Correct 76 ms 18028 KB Output is correct
35 Correct 181 ms 62840 KB Output is correct
36 Correct 376 ms 77304 KB Output is correct
37 Correct 162 ms 36520 KB Output is correct
38 Correct 164 ms 38392 KB Output is correct