oj.uz

Submission #1085685

# Submission time Handle Problem Language Result Execution time Memory
1085685 2024-09-08T15:05:36 Z alexander707070 Game (APIO22_game) C++17
60 / 100
 2702 ms 13064 KB 
#include<bits/stdc++.h>

#define MAXN 100007
using namespace std;

const int bucket_sz=300;

int n,k,bucket[MAXN];
int from[MAXN],to[MAXN];
int mins[MAXN],maxs[MAXN];

int li[MAXN],tim;

vector<int> v[MAXN],r[MAXN],news;

void init(int N,int K){
    n=N; k=K;

    for(int i=1;i<=k;i++){
        bucket[i]=i/bucket_sz+1;
    }

    for(int i=1;i<=k;i++){
        mins[i]=maxs[i]=bucket[i];
        from[i]=to[i]=i;
    }

    for(int i=k+1;i<=n;i++){
        from[i]=n+1; to[i]=0;
        mins[i]=n+1; maxs[i]=0;
    }
}

int dfs(int x,int val,int val2){
    li[x]=tim;

    if(maxs[x]>val)return 0;
    if(maxs[x]==val and to[x]>=val2)return 0;

    if(mins[x]==maxs[x]){
        to[x]=val2;
        if(from[x]<=to[x] or mins[x]<val){
            if(from[x]<to[x] or x>k)return 1;
        }
    }else{
        maxs[x]=val;
        if(mins[x]<maxs[x])return 1;

        if(mins[x]==maxs[x])news.push_back(x);
    }

    for(int i=0;i<v[x].size();i++){
        if(li[v[x][i]]==tim)continue;

        if(dfs(v[x][i],val,val2)==1)return 1;
    }

    return 0;
}

int dfs2(int x,int val,int val2){
    li[x]=tim;

    if(mins[x]<val)return 0;
    if(mins[x]==val and from[x]<=val2)return 0;

    if(mins[x]==maxs[x]){
        from[x]=val2;
        if(from[x]<=to[x] or val<maxs[x]){
            if(from[x]<to[x] or x>k)return 1;
        }
    }else{
        mins[x]=val;
        if(mins[x]<maxs[x])return 1;

        if(mins[x]==maxs[x])news.push_back(x);
    }

    for(int i=0;i<r[x].size();i++){
        if(li[r[x][i]]==tim)continue;

        if(dfs2(r[x][i],val,val2)==1)return 1;
    }

    return 0;
}

void dfs3(int x){
    li[x]=tim;

    if(from[x]!=n+1)return;

    for(int i=0;i<v[x].size();i++){
        if(li[v[x][i]]==tim)continue;

        dfs3(v[x][i]);
        from[x]=min(from[x],from[v[x][i]]);
    }
}

int dfs4(int x){
    li[x]=tim;

    if(to[x]!=0)return 0;

    int z=0;
    for(int i=0;i<r[x].size();i++){
        if(li[r[x][i]]==tim)continue;

        z=dfs4(r[x][i]);
        to[x]=max(to[x],to[r[x][i]]);
        if(z==1)return 1;
    }

    if(from[x]<=to[x])return 1;
    return 0;
}

int add_teleporter(int a, int b){
    a++; b++;

    if(a==b){
        if(a<=k)return 1;
        return 0;
    }

    news.clear();

    v[a].push_back(b); tim++;
    int z=dfs(b,maxs[a],to[a]);

    if(z==1)return 1;

    r[b].push_back(a); tim++;
    z=dfs2(a,mins[b],from[b]);

    if(z==1)return 1;

    tim++;
    for(int i:news){
        if(li[i]!=tim)dfs3(i);   
    }

    tim++;
    for(int i:news){
        if(li[i]!=tim){
            if(dfs4(i)==1)return 1;
        }   
    }

    return 0;
}

/*int main(){

    init(6, 3);

    cout<<add_teleporter(3, 4);
    cout<<add_teleporter(5, 0);
    cout<<add_teleporter(4, 5);
    cout<<add_teleporter(5, 3);
    cout<<add_teleporter(1, 4);

    return 0;
}*/

Compilation message

game.cpp: In function 'int dfs(int, int, int)':
game.cpp:52:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
game.cpp: In function 'int dfs2(int, int, int)':
game.cpp:79:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for(int i=0;i<r[x].size();i++){
      |                 ~^~~~~~~~~~~~
game.cpp: In function 'void dfs3(int)':
game.cpp:93:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
game.cpp: In function 'int dfs4(int)':
game.cpp:107:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |     for(int i=0;i<r[x].size();i++){
      |                 ~^~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4952 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4952 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4952 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4952 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 2 ms 4952 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 3 ms 5032 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 3 ms 4952 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4952 KB Output is correct
19 Correct 2 ms 4952 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4952 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4952 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 2 ms 4952 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 3 ms 5032 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 3 ms 4952 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4952 KB Output is correct
19 Correct 2 ms 4952 KB Output is correct
20 Correct 3 ms 5208 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct
22 Correct 2 ms 5208 KB Output is correct
23 Correct 2 ms 5208 KB Output is correct
24 Correct 9 ms 5208 KB Output is correct
25 Correct 6 ms 5236 KB Output is correct
26 Correct 4 ms 5232 KB Output is correct
27 Correct 3 ms 5208 KB Output is correct
28 Correct 3 ms 5208 KB Output is correct
29 Correct 3 ms 5208 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4952 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4952 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 2 ms 4952 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 3 ms 5032 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 3 ms 4952 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4952 KB Output is correct
19 Correct 2 ms 4952 KB Output is correct
20 Correct 3 ms 5208 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct
22 Correct 2 ms 5208 KB Output is correct
23 Correct 2 ms 5208 KB Output is correct
24 Correct 9 ms 5208 KB Output is correct
25 Correct 6 ms 5236 KB Output is correct
26 Correct 4 ms 5232 KB Output is correct
27 Correct 3 ms 5208 KB Output is correct
28 Correct 3 ms 5208 KB Output is correct
29 Correct 3 ms 5208 KB Output is correct
30 Correct 13 ms 6744 KB Output is correct
31 Correct 5 ms 6016 KB Output is correct
32 Correct 17 ms 8844 KB Output is correct
33 Correct 14 ms 7636 KB Output is correct
34 Correct 1252 ms 9556 KB Output is correct
35 Correct 462 ms 8784 KB Output is correct
36 Correct 81 ms 7504 KB Output is correct
37 Correct 33 ms 7512 KB Output is correct
38 Correct 24 ms 7580 KB Output is correct
39 Correct 21 ms 7256 KB Output is correct
40 Correct 1026 ms 9552 KB Output is correct
41 Correct 198 ms 8272 KB Output is correct
42 Correct 123 ms 8016 KB Output is correct
43 Correct 42 ms 9312 KB Output is correct
44 Correct 2702 ms 9372 KB Output is correct

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4952 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4952 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 2 ms 4952 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 3 ms 5032 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 3 ms 4952 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4952 KB Output is correct
18 Correct 2 ms 4952 KB Output is correct
19 Correct 2 ms 4952 KB Output is correct
20 Correct 3 ms 5208 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct
22 Correct 2 ms 5208 KB Output is correct
23 Correct 2 ms 5208 KB Output is correct
24 Correct 9 ms 5208 KB Output is correct
25 Correct 6 ms 5236 KB Output is correct
26 Correct 4 ms 5232 KB Output is correct
27 Correct 3 ms 5208 KB Output is correct
28 Correct 3 ms 5208 KB Output is correct
29 Correct 3 ms 5208 KB Output is correct
30 Correct 13 ms 6744 KB Output is correct
31 Correct 5 ms 6016 KB Output is correct
32 Correct 17 ms 8844 KB Output is correct
33 Correct 14 ms 7636 KB Output is correct
34 Correct 1252 ms 9556 KB Output is correct
35 Correct 462 ms 8784 KB Output is correct
36 Correct 81 ms 7504 KB Output is correct
37 Correct 33 ms 7512 KB Output is correct
38 Correct 24 ms 7580 KB Output is correct
39 Correct 21 ms 7256 KB Output is correct
40 Correct 1026 ms 9552 KB Output is correct
41 Correct 198 ms 8272 KB Output is correct
42 Correct 123 ms 8016 KB Output is correct
43 Correct 42 ms 9312 KB Output is correct
44 Correct 2702 ms 9372 KB Output is correct
45 Runtime error 8 ms 13064 KB Execution killed with signal 11
46 Halted 0 ms 0 KB -