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Submission #988472

# Submission time Handle Problem Language Result Execution time Memory
988472 2024-05-24T19:18:19 Z amirhoseinfar1385 Escape Route 2 (JOI24_escape2) C++17
100 / 100
 1643 ms 310400 KB 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
const int maxn=100000+10,maxq=300000+10,lg=20,sq=100,msq=maxn/sq+10;
int t,n,q;
long long inf=1e16;
vector<pair<int,int>>all[maxn];
vector<int>dp[maxn],lnk[lg][maxn],allp;
vector<long long>wlnk[lg][maxn];
long long res[msq][maxn];
vector<long long>allz[maxn];

void vorod(){
  cin>>n>>t;
  for(int i=1;i<n;i++){
    int d;
    cin>>d;
    all[i].resize(d);
    if(d>=sq){
      allp.push_back(i);
    }
    for(int j=0;j<d;j++){
      cin>>all[i][j].first>>all[i][j].second;
    }
    sort(all[i].begin(),all[i].end());
    dp[i].resize(d);
    for(int j=0;j<lg;j++){
      lnk[j][i].resize(d);
      wlnk[j][i].resize(d);
    }
    allz[i].resize(d);
  }
  cin>>q;
}

void callnk(){
  for(int i=1;i<lg;i++){
    for(int j=1;j<n-1;j++){
      if((1<<i)+j>n){
        continue;
      }
      for(int h=0;h<(int)all[j].size();h++){
        lnk[i][j][h]=lnk[i-1][j+(1<<(i-1))][lnk[i-1][j][h]];
        wlnk[i][j][h]=wlnk[i-1][j][h]+wlnk[i-1][j+(1<<(i-1))][lnk[i-1][j][h]];
      }
    }
  }
}

void calresp(int z){
  for(int i=1;i<n-1;i++){
    for(int j=0;j<(int)all[i].size();j++){
      //cout<<i<<" "<<j<<" "<<z<<" "<<allz[i][j]<<" "<<((all[i+1][lnk[0][i][j]].first-all[i][j].first)+t)%t<<"\n";
      allz[i+1][lnk[0][i][j]]=min(allz[i+1][lnk[0][i][j]],allz[i][j]+wlnk[0][i][j]);
      res[z][i+1]=min(res[z][i+1],allz[i][j]+dp[i][j]-all[i][j].first);
    }
  }
  int i=n-1;
  for(int j=0;j<(int)all[n-1].size();j++){
    //cout<<z<<" "<<i<<" "<<j<<" "<<allz[i][j]<<" "<<dp[i][j]<<" wtf"<<endl;
    res[z][i+1]=min(res[z][i+1],allz[i][j]+dp[i][j]-all[i][j].first);
  }
}

void calp(){
  int ted=0;
  for(int i=1;i<n;i++){
    if((int)all[i].size()<sq){
      continue;
    }
    for(int j=1;j<=n;j++){
      for(int h=0;h<(int)all[j].size();h++){
        allz[j][h]=inf;
      }
      res[ted][j]=inf;
    }
    for(int j=0;j<(int)all[i].size();j++){
      allz[i][j]=0;
    }
    res[ted][i]=0;
    calresp(ted);
    ted++;
  }
}

void pre(){
  for(int i=n-1;i>=1;i--){
    int mn=t;
    for(int j=(int)all[i].size()-1;j>=0;j--){
      mn=min(all[i][j].second,mn);
      dp[i][j]=mn;
    }
  }
  for(int i=n-2;i>=1;i--){
    for(int j=0;j<(int)all[i].size();j++){
      if(all[i+1].back().first<dp[i][j]){
        lnk[0][i][j]=0;
        wlnk[0][i][j]=t-all[i][j].first+all[i+1][0].first;
        continue;
      }
      int p=lower_bound(all[i+1].begin(),all[i+1].end(),make_pair(dp[i][j],-1))-all[i+1].begin();
      lnk[0][i][j]=p;
      wlnk[0][i][j]=all[i+1][p].first-all[i][j].first;
    }
  }
  calp();
  callnk();
}

long long boro(int ind,int r,int p){
  long long ret=0;
  if(ind==r){
    return 0;
  }
  int dis=r-ind-1;
  for(int i=lg-1;i>=0;i--){
    if((dis>>i)&1){
      ret+=wlnk[i][ind][p];
      p=lnk[i][ind][p];
      ind+=(1<<i);
    }
  }
  ret+=dp[ind][p]-all[ind][p].first;
  return ret;
}

void solve(){
  for(int i=0;i<q;i++){
    int l,r;
    cin>>l>>r;
    if((int)all[l].size()>=sq){
      int p=lower_bound(allp.begin(),allp.end(),l)-allp.begin();
      cout<<res[p][r]<<"\n";
      continue;
    }   
    long long ret=inf;
    for(int i=0;i<(int)all[l].size();i++){
      ret=min(ret,boro(l,r,i));
    }
    cout<<ret<<"\n";
  }
}

int main(){
  ios::sync_with_stdio(0);
  cin.tie(0);
  vorod();
  pre();
  solve();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 101312 KB Output is correct
2 Correct 111 ms 105568 KB Output is correct
3 Correct 125 ms 108116 KB Output is correct
4 Correct 154 ms 110504 KB Output is correct
5 Correct 129 ms 109176 KB Output is correct
6 Correct 155 ms 110680 KB Output is correct
7 Correct 159 ms 110680 KB Output is correct
8 Correct 126 ms 108580 KB Output is correct
9 Correct 152 ms 110672 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 101312 KB Output is correct
2 Correct 111 ms 105568 KB Output is correct
3 Correct 125 ms 108116 KB Output is correct
4 Correct 154 ms 110504 KB Output is correct
5 Correct 129 ms 109176 KB Output is correct
6 Correct 155 ms 110680 KB Output is correct
7 Correct 159 ms 110680 KB Output is correct
8 Correct 126 ms 108580 KB Output is correct
9 Correct 152 ms 110672 KB Output is correct
10 Correct 56 ms 101204 KB Output is correct
11 Correct 168 ms 107780 KB Output is correct
12 Correct 157 ms 107804 KB Output is correct
13 Correct 157 ms 107584 KB Output is correct
14 Correct 156 ms 107600 KB Output is correct
15 Correct 162 ms 108368 KB Output is correct
16 Correct 117 ms 105436 KB Output is correct
17 Correct 152 ms 109392 KB Output is correct
18 Correct 153 ms 108368 KB Output is correct
19 Correct 152 ms 109344 KB Output is correct
20 Correct 165 ms 108392 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 101312 KB Output is correct
2 Correct 111 ms 105568 KB Output is correct
3 Correct 125 ms 108116 KB Output is correct
4 Correct 154 ms 110504 KB Output is correct
5 Correct 129 ms 109176 KB Output is correct
6 Correct 155 ms 110680 KB Output is correct
7 Correct 159 ms 110680 KB Output is correct
8 Correct 126 ms 108580 KB Output is correct
9 Correct 152 ms 110672 KB Output is correct
10 Correct 976 ms 214640 KB Output is correct
11 Correct 1396 ms 246000 KB Output is correct
12 Correct 1313 ms 246120 KB Output is correct
13 Correct 1010 ms 244056 KB Output is correct
14 Correct 1032 ms 245844 KB Output is correct
15 Correct 1285 ms 246108 KB Output is correct
16 Correct 865 ms 214872 KB Output is correct
17 Correct 1141 ms 246008 KB Output is correct
18 Correct 744 ms 226896 KB Output is correct
19 Correct 608 ms 226276 KB Output is correct
20 Correct 717 ms 227076 KB Output is correct
21 Correct 605 ms 226768 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 101312 KB Output is correct
2 Correct 111 ms 105568 KB Output is correct
3 Correct 125 ms 108116 KB Output is correct
4 Correct 154 ms 110504 KB Output is correct
5 Correct 129 ms 109176 KB Output is correct
6 Correct 155 ms 110680 KB Output is correct
7 Correct 159 ms 110680 KB Output is correct
8 Correct 126 ms 108580 KB Output is correct
9 Correct 152 ms 110672 KB Output is correct
10 Correct 56 ms 101204 KB Output is correct
11 Correct 168 ms 107780 KB Output is correct
12 Correct 157 ms 107804 KB Output is correct
13 Correct 157 ms 107584 KB Output is correct
14 Correct 156 ms 107600 KB Output is correct
15 Correct 162 ms 108368 KB Output is correct
16 Correct 117 ms 105436 KB Output is correct
17 Correct 152 ms 109392 KB Output is correct
18 Correct 153 ms 108368 KB Output is correct
19 Correct 152 ms 109344 KB Output is correct
20 Correct 165 ms 108392 KB Output is correct
21 Correct 976 ms 214640 KB Output is correct
22 Correct 1396 ms 246000 KB Output is correct
23 Correct 1313 ms 246120 KB Output is correct
24 Correct 1010 ms 244056 KB Output is correct
25 Correct 1032 ms 245844 KB Output is correct
26 Correct 1285 ms 246108 KB Output is correct
27 Correct 865 ms 214872 KB Output is correct
28 Correct 1141 ms 246008 KB Output is correct
29 Correct 744 ms 226896 KB Output is correct
30 Correct 608 ms 226276 KB Output is correct
31 Correct 717 ms 227076 KB Output is correct
32 Correct 605 ms 226768 KB Output is correct
33 Correct 737 ms 144536 KB Output is correct
34 Correct 713 ms 144140 KB Output is correct
35 Correct 736 ms 144216 KB Output is correct
36 Correct 595 ms 144156 KB Output is correct
37 Correct 899 ms 156308 KB Output is correct
38 Correct 767 ms 179136 KB Output is correct
39 Correct 1042 ms 200892 KB Output is correct
40 Correct 756 ms 143164 KB Output is correct
41 Correct 801 ms 176120 KB Output is correct
42 Correct 1103 ms 200784 KB Output is correct
43 Correct 950 ms 158268 KB Output is correct
44 Correct 783 ms 160336 KB Output is correct
45 Correct 587 ms 186332 KB Output is correct
46 Correct 490 ms 150096 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 101204 KB Output is correct
2 Correct 58 ms 101204 KB Output is correct
3 Correct 181 ms 130128 KB Output is correct
4 Correct 172 ms 130132 KB Output is correct
5 Correct 175 ms 129876 KB Output is correct
6 Correct 179 ms 130116 KB Output is correct
7 Correct 169 ms 130008 KB Output is correct
8 Correct 177 ms 130132 KB Output is correct
9 Correct 168 ms 129616 KB Output is correct
10 Correct 94 ms 126832 KB Output is correct
11 Correct 730 ms 227156 KB Output is correct
12 Correct 534 ms 186448 KB Output is correct
13 Correct 480 ms 150024 KB Output is correct
14 Correct 318 ms 142812 KB Output is correct
15 Correct 358 ms 142692 KB Output is correct
16 Correct 472 ms 171456 KB Output is correct
17 Correct 333 ms 146392 KB Output is correct
18 Correct 208 ms 128588 KB Output is correct
19 Correct 213 ms 131000 KB Output is correct
20 Correct 1268 ms 279380 KB Output is correct
21 Correct 1228 ms 279348 KB Output is correct
22 Correct 732 ms 225616 KB Output is correct
23 Correct 782 ms 224056 KB Output is correct
24 Correct 312 ms 162136 KB Output is correct
25 Correct 286 ms 162616 KB Output is correct
26 Correct 327 ms 164684 KB Output is correct
27 Correct 640 ms 226456 KB Output is correct
28 Correct 596 ms 226828 KB Output is correct
29 Correct 633 ms 227040 KB Output is correct
30 Correct 158 ms 132180 KB Output is correct
31 Correct 122 ms 127568 KB Output is correct
32 Correct 273 ms 129020 KB Output is correct
33 Correct 178 ms 127828 KB Output is correct
34 Correct 224 ms 130900 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 101312 KB Output is correct
2 Correct 111 ms 105568 KB Output is correct
3 Correct 125 ms 108116 KB Output is correct
4 Correct 154 ms 110504 KB Output is correct
5 Correct 129 ms 109176 KB Output is correct
6 Correct 155 ms 110680 KB Output is correct
7 Correct 159 ms 110680 KB Output is correct
8 Correct 126 ms 108580 KB Output is correct
9 Correct 152 ms 110672 KB Output is correct
10 Correct 56 ms 101204 KB Output is correct
11 Correct 168 ms 107780 KB Output is correct
12 Correct 157 ms 107804 KB Output is correct
13 Correct 157 ms 107584 KB Output is correct
14 Correct 156 ms 107600 KB Output is correct
15 Correct 162 ms 108368 KB Output is correct
16 Correct 117 ms 105436 KB Output is correct
17 Correct 152 ms 109392 KB Output is correct
18 Correct 153 ms 108368 KB Output is correct
19 Correct 152 ms 109344 KB Output is correct
20 Correct 165 ms 108392 KB Output is correct
21 Correct 976 ms 214640 KB Output is correct
22 Correct 1396 ms 246000 KB Output is correct
23 Correct 1313 ms 246120 KB Output is correct
24 Correct 1010 ms 244056 KB Output is correct
25 Correct 1032 ms 245844 KB Output is correct
26 Correct 1285 ms 246108 KB Output is correct
27 Correct 865 ms 214872 KB Output is correct
28 Correct 1141 ms 246008 KB Output is correct
29 Correct 744 ms 226896 KB Output is correct
30 Correct 608 ms 226276 KB Output is correct
31 Correct 717 ms 227076 KB Output is correct
32 Correct 605 ms 226768 KB Output is correct
33 Correct 737 ms 144536 KB Output is correct
34 Correct 713 ms 144140 KB Output is correct
35 Correct 736 ms 144216 KB Output is correct
36 Correct 595 ms 144156 KB Output is correct
37 Correct 899 ms 156308 KB Output is correct
38 Correct 767 ms 179136 KB Output is correct
39 Correct 1042 ms 200892 KB Output is correct
40 Correct 756 ms 143164 KB Output is correct
41 Correct 801 ms 176120 KB Output is correct
42 Correct 1103 ms 200784 KB Output is correct
43 Correct 950 ms 158268 KB Output is correct
44 Correct 783 ms 160336 KB Output is correct
45 Correct 587 ms 186332 KB Output is correct
46 Correct 490 ms 150096 KB Output is correct
47 Correct 56 ms 101204 KB Output is correct
48 Correct 58 ms 101204 KB Output is correct
49 Correct 181 ms 130128 KB Output is correct
50 Correct 172 ms 130132 KB Output is correct
51 Correct 175 ms 129876 KB Output is correct
52 Correct 179 ms 130116 KB Output is correct
53 Correct 169 ms 130008 KB Output is correct
54 Correct 177 ms 130132 KB Output is correct
55 Correct 168 ms 129616 KB Output is correct
56 Correct 94 ms 126832 KB Output is correct
57 Correct 730 ms 227156 KB Output is correct
58 Correct 534 ms 186448 KB Output is correct
59 Correct 480 ms 150024 KB Output is correct
60 Correct 318 ms 142812 KB Output is correct
61 Correct 358 ms 142692 KB Output is correct
62 Correct 472 ms 171456 KB Output is correct
63 Correct 333 ms 146392 KB Output is correct
64 Correct 208 ms 128588 KB Output is correct
65 Correct 213 ms 131000 KB Output is correct
66 Correct 1268 ms 279380 KB Output is correct
67 Correct 1228 ms 279348 KB Output is correct
68 Correct 732 ms 225616 KB Output is correct
69 Correct 782 ms 224056 KB Output is correct
70 Correct 312 ms 162136 KB Output is correct
71 Correct 286 ms 162616 KB Output is correct
72 Correct 327 ms 164684 KB Output is correct
73 Correct 640 ms 226456 KB Output is correct
74 Correct 596 ms 226828 KB Output is correct
75 Correct 633 ms 227040 KB Output is correct
76 Correct 158 ms 132180 KB Output is correct
77 Correct 122 ms 127568 KB Output is correct
78 Correct 273 ms 129020 KB Output is correct
79 Correct 178 ms 127828 KB Output is correct
80 Correct 224 ms 130900 KB Output is correct
81 Correct 288 ms 139456 KB Output is correct
82 Correct 287 ms 139344 KB Output is correct
83 Correct 291 ms 139404 KB Output is correct
84 Correct 284 ms 139232 KB Output is correct
85 Correct 287 ms 139164 KB Output is correct
86 Correct 312 ms 139780 KB Output is correct
87 Correct 259 ms 137704 KB Output is correct
88 Correct 378 ms 143700 KB Output is correct
89 Correct 357 ms 143324 KB Output is correct
90 Correct 425 ms 146168 KB Output is correct
91 Correct 130 ms 131156 KB Output is correct
92 Correct 533 ms 153344 KB Output is correct
93 Correct 498 ms 151888 KB Output is correct
94 Correct 484 ms 153168 KB Output is correct
95 Correct 651 ms 156304 KB Output is correct
96 Correct 385 ms 136180 KB Output is correct
97 Correct 338 ms 138324 KB Output is correct
98 Correct 1477 ms 310400 KB Output is correct
99 Correct 1643 ms 309684 KB Output is correct
100 Correct 861 ms 238456 KB Output is correct
101 Correct 1006 ms 236924 KB Output is correct
102 Correct 457 ms 169296 KB Output is correct
103 Correct 383 ms 169456 KB Output is correct
104 Correct 491 ms 168272 KB Output is correct
105 Correct 220 ms 133828 KB Output is correct
106 Correct 197 ms 132480 KB Output is correct
107 Correct 600 ms 133304 KB Output is correct
108 Correct 382 ms 131920 KB Output is correct
109 Correct 375 ms 134860 KB Output is correct