oj.uz

Submission #955645

# Submission time Handle Problem Language Result Execution time Memory
955645 2024-03-31T08:25:33 Z Prieved1 Overtaking (IOI23_overtaking) C++17
100 / 100
 3415 ms 515188 KB 
#include "overtaking.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

long long speed;
const long long inf=1e18+10;
vector<vector<long long>> ta;
vector<vector<pair<long long, long long>>> pr;
long long asdf=0;
namespace ST {
  static const long long NN=1e6;
  static const int LG=30;
  int ndcnt=1;
  long long RR=inf;
  long long T[NN*LG], T2[NN*LG];
  long long L[NN*LG], R[NN*LG];
  void update1(long long ll, long long rr, long long val, long long l=0, long long r=0, long long v=1) {
    if(r<ll or rr<l)return;
    if(ll<=l and r<=rr) {
      T[v]=max(T[v], val);
      T2[v]=max(T2[v], T[v]);
      return;
    }
    long long mid=(l+r)/2;
    if(L[v]==0)L[v]=++ndcnt;
    if(R[v]==0)R[v]=++ndcnt;
    update1(ll, rr, val, l, mid, L[v]);
    update1(ll, rr, val, mid+1, r, R[v]);
    T2[v]=max(T2[v], max(T2[L[v]], T2[R[v]]));
  }
  long long query1(long long x, long long l, long long r, long long v) {
    if(v==0)return 0;
    long long mid=(l+r)/2;
    if(x <= mid) {
      return max(T[v], query1(x, l, mid, L[v]));
    }
    else return max(T[v], query1(x, mid+1, r, R[v]));
  }
  void update(long long l, long long r, long long val) {
    update1(l, r, val, 0, RR, 1);
  }
  long long query(long long x) {
    return max(x, query1(x, 0, RR, 1));
  }
  long long get(long long x, long long tmpval = 0, long long l=0, long long r=RR, long long v=1){
    if(v==0) {
      if(tmpval>x)return l;
      if(r>x)return x+1;
      return -1;
    }
    tmpval=max(tmpval, T[v]);
    long long mid=(l+r)/2;
    if(max(mid, max(tmpval, T2[L[v]]))>x)return get(x, tmpval, l, mid, L[v]);
    long long ttt=get(x, tmpval, mid+1, r, R[v]);
    if(ttt!=-1) {
      return ttt;
    }
    if(max(r, tmpval) > x) {
      if(tmpval>x)return l;
      return x+1;
    }
    return -1;
  }
};
void init(int L, int N, std::vector<long long> T, std::vector<int> W, int X, int M, std::vector<int> S) {
  speed=X;
  asdf=S.back()*speed;
  ta=vector<vector<long long>> (M, vector<long long> (N));
  for(int i = 0;i<M;i++) {
    for(int j = 0;j<N;j++) {
      if(i==0)ta[i][j]=T[j];
      else ta[i][j]=ta[i-1][j]+(long long)(S[i]-S[i-1])*W[j];
    }
    if(i){
      vector<pair<pair<long long, long long>, int>> idxx;
      for(int j = 0;j<N;j++) {
        idxx.push_back({{ta[i-1][j], ta[i][j]}, j});
      }
      sort(idxx.begin(), idxx.end());
      for(int k = 1;k<N;k++) {
        ta[i][idxx[k].second]=max(ta[i][idxx[k].second], ta[i][idxx[k-1].second]);
      }
    }
  }
  pr.resize(M);
  for(int i = 0 ;i<M;i++) {
    vector<long long> idx;
    for(int j = 0;j<N;j++) {
        ta[i][j]-=S[i]*speed;
    }
    if(i) {
      for(int j = 0;j<N;j++) {
          long long lo = 0, hi = inf;
          long long LL=ST::get(ta[i-1][j]);
          idx.push_back(LL);
      }
      for(int j = 0;j<N;j++) {
        if(idx[j]==-1)continue;
        ST::update(idx[j], (long long)inf, ta[i][j]);
      }
    }
  }
}
 
long long arrival_time(long long Y) {
  long long ans=ST::query(Y);
  return ans+asdf;
}

Compilation message

overtaking.cpp: In function 'void init(int, int, std::vector<long long int>, std::vector<int>, int, int, std::vector<int>)':
overtaking.cpp:95:21: warning: unused variable 'lo' [-Wunused-variable]
   95 |           long long lo = 0, hi = inf;
      |                     ^~
overtaking.cpp:95:29: warning: unused variable 'hi' [-Wunused-variable]
   95 |           long long lo = 0, hi = inf;
      |                             ^~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 2 ms 1372 KB Output is correct
8 Correct 2 ms 1628 KB Output is correct
9 Correct 3 ms 2396 KB Output is correct
10 Correct 2 ms 1628 KB Output is correct
11 Correct 2 ms 1372 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 2 ms 1372 KB Output is correct
7 Correct 2 ms 1628 KB Output is correct
8 Correct 2 ms 1628 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 2 ms 1628 KB Output is correct
13 Correct 2 ms 1116 KB Output is correct
14 Correct 2 ms 1116 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 856 KB Output is correct
9 Correct 11 ms 3932 KB Output is correct
10 Correct 12 ms 5468 KB Output is correct
11 Correct 17 ms 6492 KB Output is correct
12 Correct 12 ms 5048 KB Output is correct
13 Correct 12 ms 5212 KB Output is correct
14 Correct 13 ms 4956 KB Output is correct
15 Correct 10 ms 1628 KB Output is correct
16 Correct 11 ms 1628 KB Output is correct
17 Correct 10 ms 1628 KB Output is correct
18 Correct 10 ms 1628 KB Output is correct
19 Correct 10 ms 1628 KB Output is correct
20 Correct 10 ms 1856 KB Output is correct
21 Correct 5 ms 600 KB Output is correct
22 Correct 5 ms 788 KB Output is correct
23 Correct 11 ms 748 KB Output is correct
24 Correct 9 ms 860 KB Output is correct
25 Correct 12 ms 860 KB Output is correct
26 Correct 10 ms 860 KB Output is correct
27 Correct 10 ms 860 KB Output is correct
28 Correct 8 ms 1112 KB Output is correct
29 Correct 7 ms 604 KB Output is correct
30 Correct 8 ms 860 KB Output is correct
31 Correct 7 ms 860 KB Output is correct
32 Correct 10 ms 1080 KB Output is correct
33 Correct 10 ms 1580 KB Output is correct
34 Correct 13 ms 4184 KB Output is correct
35 Correct 13 ms 6744 KB Output is correct
36 Correct 11 ms 4188 KB Output is correct
37 Correct 12 ms 3932 KB Output is correct
38 Correct 6 ms 604 KB Output is correct
39 Correct 7 ms 600 KB Output is correct
40 Correct 9 ms 856 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 2 ms 1372 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 2 ms 1628 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 856 KB Output is correct
16 Correct 11 ms 3932 KB Output is correct
17 Correct 12 ms 5468 KB Output is correct
18 Correct 17 ms 6492 KB Output is correct
19 Correct 12 ms 5048 KB Output is correct
20 Correct 12 ms 5212 KB Output is correct
21 Correct 13 ms 4956 KB Output is correct
22 Correct 10 ms 1628 KB Output is correct
23 Correct 11 ms 1628 KB Output is correct
24 Correct 10 ms 1628 KB Output is correct
25 Correct 10 ms 1628 KB Output is correct
26 Correct 10 ms 1628 KB Output is correct
27 Correct 10 ms 1856 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 5 ms 788 KB Output is correct
30 Correct 11 ms 748 KB Output is correct
31 Correct 9 ms 860 KB Output is correct
32 Correct 12 ms 860 KB Output is correct
33 Correct 10 ms 860 KB Output is correct
34 Correct 10 ms 860 KB Output is correct
35 Correct 8 ms 1112 KB Output is correct
36 Correct 7 ms 604 KB Output is correct
37 Correct 8 ms 860 KB Output is correct
38 Correct 7 ms 860 KB Output is correct
39 Correct 10 ms 1080 KB Output is correct
40 Correct 10 ms 1580 KB Output is correct
41 Correct 13 ms 4184 KB Output is correct
42 Correct 13 ms 6744 KB Output is correct
43 Correct 11 ms 4188 KB Output is correct
44 Correct 12 ms 3932 KB Output is correct
45 Correct 6 ms 604 KB Output is correct
46 Correct 7 ms 600 KB Output is correct
47 Correct 9 ms 856 KB Output is correct
48 Correct 1054 ms 13896 KB Output is correct
49 Correct 1265 ms 23592 KB Output is correct
50 Correct 1345 ms 29628 KB Output is correct
51 Correct 1280 ms 22808 KB Output is correct
52 Correct 1245 ms 23728 KB Output is correct
53 Correct 1244 ms 23396 KB Output is correct
54 Correct 1252 ms 23120 KB Output is correct
55 Correct 871 ms 10072 KB Output is correct
56 Correct 1086 ms 18332 KB Output is correct
57 Correct 1204 ms 19568 KB Output is correct
58 Correct 1112 ms 18808 KB Output is correct
59 Correct 1105 ms 18464 KB Output is correct
60 Correct 1082 ms 18404 KB Output is correct
61 Correct 1136 ms 18728 KB Output is correct
62 Correct 4 ms 2396 KB Output is correct
63 Correct 4 ms 1628 KB Output is correct
64 Correct 480 ms 6256 KB Output is correct
65 Correct 621 ms 6784 KB Output is correct
66 Correct 1536 ms 12264 KB Output is correct
67 Correct 1382 ms 13420 KB Output is correct
68 Correct 1412 ms 13548 KB Output is correct
69 Correct 1421 ms 72020 KB Output is correct
70 Correct 1502 ms 110124 KB Output is correct
71 Correct 1771 ms 333488 KB Output is correct
72 Correct 2023 ms 515188 KB Output is correct
73 Correct 1643 ms 380240 KB Output is correct
74 Correct 1733 ms 379488 KB Output is correct
75 Correct 873 ms 10680 KB Output is correct
76 Correct 871 ms 10832 KB Output is correct
77 Correct 956 ms 11248 KB Output is correct
78 Correct 1078 ms 40020 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 2 ms 1372 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 2 ms 1628 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 856 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 2 ms 1372 KB Output is correct
19 Correct 2 ms 1628 KB Output is correct
20 Correct 2 ms 1628 KB Output is correct
21 Correct 2 ms 1628 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 2 ms 856 KB Output is correct
24 Correct 2 ms 1628 KB Output is correct
25 Correct 2 ms 1116 KB Output is correct
26 Correct 2 ms 1116 KB Output is correct
27 Correct 11 ms 3932 KB Output is correct
28 Correct 12 ms 5468 KB Output is correct
29 Correct 17 ms 6492 KB Output is correct
30 Correct 12 ms 5048 KB Output is correct
31 Correct 12 ms 5212 KB Output is correct
32 Correct 13 ms 4956 KB Output is correct
33 Correct 10 ms 1628 KB Output is correct
34 Correct 11 ms 1628 KB Output is correct
35 Correct 10 ms 1628 KB Output is correct
36 Correct 10 ms 1628 KB Output is correct
37 Correct 10 ms 1628 KB Output is correct
38 Correct 10 ms 1856 KB Output is correct
39 Correct 5 ms 600 KB Output is correct
40 Correct 5 ms 788 KB Output is correct
41 Correct 11 ms 748 KB Output is correct
42 Correct 9 ms 860 KB Output is correct
43 Correct 12 ms 860 KB Output is correct
44 Correct 10 ms 860 KB Output is correct
45 Correct 10 ms 860 KB Output is correct
46 Correct 8 ms 1112 KB Output is correct
47 Correct 7 ms 604 KB Output is correct
48 Correct 8 ms 860 KB Output is correct
49 Correct 7 ms 860 KB Output is correct
50 Correct 10 ms 1080 KB Output is correct
51 Correct 10 ms 1580 KB Output is correct
52 Correct 13 ms 4184 KB Output is correct
53 Correct 13 ms 6744 KB Output is correct
54 Correct 11 ms 4188 KB Output is correct
55 Correct 12 ms 3932 KB Output is correct
56 Correct 6 ms 604 KB Output is correct
57 Correct 7 ms 600 KB Output is correct
58 Correct 9 ms 856 KB Output is correct
59 Correct 1054 ms 13896 KB Output is correct
60 Correct 1265 ms 23592 KB Output is correct
61 Correct 1345 ms 29628 KB Output is correct
62 Correct 1280 ms 22808 KB Output is correct
63 Correct 1245 ms 23728 KB Output is correct
64 Correct 1244 ms 23396 KB Output is correct
65 Correct 1252 ms 23120 KB Output is correct
66 Correct 871 ms 10072 KB Output is correct
67 Correct 1086 ms 18332 KB Output is correct
68 Correct 1204 ms 19568 KB Output is correct
69 Correct 1112 ms 18808 KB Output is correct
70 Correct 1105 ms 18464 KB Output is correct
71 Correct 1082 ms 18404 KB Output is correct
72 Correct 1136 ms 18728 KB Output is correct
73 Correct 4 ms 2396 KB Output is correct
74 Correct 4 ms 1628 KB Output is correct
75 Correct 480 ms 6256 KB Output is correct
76 Correct 621 ms 6784 KB Output is correct
77 Correct 1536 ms 12264 KB Output is correct
78 Correct 1382 ms 13420 KB Output is correct
79 Correct 1412 ms 13548 KB Output is correct
80 Correct 1421 ms 72020 KB Output is correct
81 Correct 1502 ms 110124 KB Output is correct
82 Correct 1771 ms 333488 KB Output is correct
83 Correct 2023 ms 515188 KB Output is correct
84 Correct 1643 ms 380240 KB Output is correct
85 Correct 1733 ms 379488 KB Output is correct
86 Correct 873 ms 10680 KB Output is correct
87 Correct 871 ms 10832 KB Output is correct
88 Correct 956 ms 11248 KB Output is correct
89 Correct 1078 ms 40020 KB Output is correct
90 Correct 1094 ms 16392 KB Output is correct
91 Correct 1608 ms 50976 KB Output is correct
92 Correct 1655 ms 53840 KB Output is correct
93 Correct 1591 ms 48976 KB Output is correct
94 Correct 1603 ms 48812 KB Output is correct
95 Correct 1596 ms 50624 KB Output is correct
96 Correct 1604 ms 48996 KB Output is correct
97 Correct 889 ms 12184 KB Output is correct
98 Correct 1450 ms 43728 KB Output is correct
99 Correct 1524 ms 45652 KB Output is correct
100 Correct 1487 ms 44276 KB Output is correct
101 Correct 1452 ms 43484 KB Output is correct
102 Correct 1456 ms 43580 KB Output is correct
103 Correct 1499 ms 44116 KB Output is correct
104 Correct 820 ms 30820 KB Output is correct
105 Correct 1034 ms 33872 KB Output is correct
106 Correct 1885 ms 42832 KB Output is correct
107 Correct 1788 ms 42000 KB Output is correct
108 Correct 1802 ms 42492 KB Output is correct
109 Correct 1745 ms 42064 KB Output is correct
110 Correct 1798 ms 42340 KB Output is correct
111 Correct 1746 ms 97580 KB Output is correct
112 Correct 1858 ms 136716 KB Output is correct
113 Correct 2501 ms 417684 KB Output is correct
114 Correct 3336 ms 376700 KB Output is correct
115 Correct 2396 ms 347616 KB Output is correct
116 Correct 2124 ms 381620 KB Output is correct
117 Correct 1225 ms 38484 KB Output is correct
118 Correct 1342 ms 39252 KB Output is correct
119 Correct 1296 ms 37828 KB Output is correct
120 Correct 1435 ms 39860 KB Output is correct
121 Correct 1359 ms 40424 KB Output is correct
122 Correct 1630 ms 62088 KB Output is correct
123 Correct 3398 ms 376512 KB Output is correct
124 Correct 3415 ms 314228 KB Output is correct
125 Correct 3372 ms 284720 KB Output is correct