oj.uz

Submission #578030

# Submission time Handle Problem Language Result Execution time Memory
578030 2022-06-15T19:24:22 Z 2fat2code Saveit (IOI10_saveit) C++17
100 / 100
 269 ms 10788 KB 
#include "grader.h"
#include "encoder.h"
#include <bits/stdc++.h>

using namespace std;

const int nmax = 1005;
const int hubs = 36;

int nn, hub, dist[hubs][nmax], par[nmax], lol;
vector<int>nod[nmax];

bitset<nmax>viz;

void construct(){
    queue<int>q;
    viz.reset();
    q.push(0);
    viz[0] = 1;
    while(q.size()){
        auto it = q.front();
        q.pop();
        for(auto it1 : nod[it]){
            if(!viz[it1]){
                viz[it1] = 1;
                par[it1] = it;
                q.push(it1);
            }
        }
    }
    for(int i=1;i<nn;i++){
        for(int j=0;j<=9;j++){
            if(par[i] & (1 << j)) encode_bit(1);
            else encode_bit(0);
        }
        lol += 10;
    }
    for(int i=1;i<nn;i++){
        for(int j=0;j<hub;j+=3){
            int curr = 0;
            if(dist[j][i] == dist[j][par[i]]){
                 curr += 1;
            }
            else if(dist[j][i] > dist[j][par[i]]){
                 curr += 2;
            }
            curr *= 3;
            if(j + 1 <= hub - 1){
                if(dist[j+1][i] == dist[j+1][par[i]]){
                    curr += 1;
                }
                else if(dist[j+1][i] > dist[j+1][par[i]]){
                    curr += 2;
                }
            }
            curr *= 3;
            if(j + 2 <= hub - 1){
                if(dist[j+2][i] == dist[j+2][par[i]]){
                    curr += 1;
                }
                else if(dist[j+2][i] > dist[j+2][par[i]]){
                    curr += 2;
                }
            }
            for(int t=0;t<5;t++){
                encode_bit(curr % 2);
                curr /= 2;
            }
            lol += 5;
        }
    }
    //cout << lol << '\n';
}

void encode(int n, int h, int m, int v1[], int v2[]){
    nn = n; hub = h;
    for(int i=0;i<m;i++){
        nod[v1[i]].push_back(v2[i]);
        nod[v2[i]].push_back(v1[i]);
    }
    for(int i=0;i<h;i++){
        queue<int>q;
        viz.reset();
        q.push(i);
        viz[i] = 1;
        while(q.size()){
            auto it = q.front();
            q.pop();
            for(auto it1 : nod[it]){
                if(!viz[it1]){
                    dist[i][it1] = dist[i][it] + 1;
                    viz[it1] = 1;
                    q.push(it1);
                }
            }
        }
    }
    construct();
}

#include "grader.h"
#include "decoder.h"
#include <bits/stdc++.h>
#define all(s) s.begin(), s.end()
#define fr first
#define sc second
using namespace std;

const int nmax = 1005;
const int hubs = 36;

int p[nmax], dust[hubs][nmax], slava, off;
vector <int> nid[nmax];
bitset <nmax> vuz;
vector <int> bits[nmax];

void dfs(int s){
    vuz[s] = 1;
    for(auto it : nid[s]){
        if(!vuz[it]){
            dust[0][it] = dust[0][s] + 1;
            dfs(it);
        }
    }
}

void dfs1(int s){
    for(auto it : nid[s]){
        int curr = 0;
        for(int j=0;j<off;j+=3){
            int lol = bits[it][curr] + 2*bits[it][curr+1] + 4*bits[it][curr+2] + 8*bits[it][curr+3] + 16*bits[it][curr+4];
            curr += 5;
            if(j + 2 < off){
                int suka = lol % 3;
                if(suka == 0){
                    dust[j+2][it] = dust[j+2][s] - 1;
                }
                else if(suka == 1) dust[j+2][it] = dust[j+2][s];
                else if(suka == 2){
                    dust[j+2][it] = dust[j+2][s] + 1;
                }
            }
            lol /= 3;
            if(j + 1 < off){
                int suka = lol % 3;
                if(suka == 0){
                    dust[j+1][it] = dust[j+1][s] - 1;
                }
                else if(suka == 1) dust[j+1][it] = dust[j+1][s];
                else if(suka == 2){
                    dust[j+1][it] = dust[j+1][s] + 1;
                }
            }
            lol /= 3;
            if(j < off){
                int suka = lol % 3;
                if(suka == 0){
                    dust[j][it] = dust[j][s] - 1;
                }
                else if(suka == 1) dust[j][it] = dust[j][s];
                else if(suka == 2){
                    dust[j][it] = dust[j][s] + 1;
                }
            }
            lol /= 3;
        }
        dfs1(it);
    }
}


void decode(int n, int h) {
    off = h;
    for(int i=1;i<n;i++){
        for(int j=0;j<=9;j++){
            int heh = decode_bit();
            p[i] += heh * (1 << j);
        }
        slava += 10;
    }
    for(int i=1;i<n;i++){
        nid[p[i]].push_back(i);
    }
    for(int i=1;i<n;i++){
        for(int j=0;j<h;j+=3){
            bits[i].push_back(decode_bit());
            bits[i].push_back(decode_bit());
            bits[i].push_back(decode_bit());
            bits[i].push_back(decode_bit());
            bits[i].push_back(decode_bit());
            slava += 5;
        }
    }
    dfs(0);
    for(int i=0;i<h;i++) dust[i][0] = dust[0][i];
    dfs1(0);
    for(int i=0;i<h;i++){
        for(int j=0;j<n;j++){
            hops(i, j, dust[i][j]);
        }
    }

}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 10788 KB Output is correct - 69930 call(s) of encode_bit()
2 Correct 2 ms 4604 KB Output is correct - 60 call(s) of encode_bit()
3 Correct 23 ms 5764 KB Output is correct - 62930 call(s) of encode_bit()
4 Correct 3 ms 4604 KB Output is correct - 80 call(s) of encode_bit()
5 Correct 25 ms 6004 KB Output is correct - 62930 call(s) of encode_bit()
6 Correct 26 ms 6152 KB Output is correct - 69930 call(s) of encode_bit()
7 Correct 38 ms 6400 KB Output is correct - 69930 call(s) of encode_bit()
8 Correct 25 ms 5832 KB Output is correct - 67200 call(s) of encode_bit()
9 Correct 28 ms 5972 KB Output is correct - 69930 call(s) of encode_bit()
10 Correct 28 ms 6020 KB Output is correct - 69930 call(s) of encode_bit()
11 Correct 25 ms 6140 KB Output is correct - 69930 call(s) of encode_bit()
12 Correct 23 ms 5892 KB Output is correct - 69930 call(s) of encode_bit()
13 Correct 53 ms 6476 KB Output is correct - 69930 call(s) of encode_bit()
14 Correct 23 ms 6048 KB Output is correct - 69930 call(s) of encode_bit()
15 Correct 24 ms 5932 KB Output is correct - 69930 call(s) of encode_bit()
16 Correct 51 ms 6360 KB Output is correct - 69930 call(s) of encode_bit()
17 Correct 44 ms 6312 KB Output is correct - 69930 call(s) of encode_bit()
18 Correct 47 ms 6688 KB Output is correct - 69930 call(s) of encode_bit()
19 Correct 33 ms 6204 KB Output is correct - 69930 call(s) of encode_bit()
20 Correct 53 ms 6936 KB Output is correct - 69930 call(s) of encode_bit()
21 Correct 83 ms 7148 KB Output is correct - 69930 call(s) of encode_bit()
22 Correct 48 ms 6560 KB Output is correct - 69930 call(s) of encode_bit()
23 Correct 68 ms 7276 KB Output is correct - 69930 call(s) of encode_bit()

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 10788 KB Output is correct - 69930 call(s) of encode_bit()
2 Correct 2 ms 4604 KB Output is correct - 60 call(s) of encode_bit()
3 Correct 23 ms 5764 KB Output is correct - 62930 call(s) of encode_bit()
4 Correct 3 ms 4604 KB Output is correct - 80 call(s) of encode_bit()
5 Correct 25 ms 6004 KB Output is correct - 62930 call(s) of encode_bit()
6 Correct 26 ms 6152 KB Output is correct - 69930 call(s) of encode_bit()
7 Correct 38 ms 6400 KB Output is correct - 69930 call(s) of encode_bit()
8 Correct 25 ms 5832 KB Output is correct - 67200 call(s) of encode_bit()
9 Correct 28 ms 5972 KB Output is correct - 69930 call(s) of encode_bit()
10 Correct 28 ms 6020 KB Output is correct - 69930 call(s) of encode_bit()
11 Correct 25 ms 6140 KB Output is correct - 69930 call(s) of encode_bit()
12 Correct 23 ms 5892 KB Output is correct - 69930 call(s) of encode_bit()
13 Correct 53 ms 6476 KB Output is correct - 69930 call(s) of encode_bit()
14 Correct 23 ms 6048 KB Output is correct - 69930 call(s) of encode_bit()
15 Correct 24 ms 5932 KB Output is correct - 69930 call(s) of encode_bit()
16 Correct 51 ms 6360 KB Output is correct - 69930 call(s) of encode_bit()
17 Correct 44 ms 6312 KB Output is correct - 69930 call(s) of encode_bit()
18 Correct 47 ms 6688 KB Output is correct - 69930 call(s) of encode_bit()
19 Correct 33 ms 6204 KB Output is correct - 69930 call(s) of encode_bit()
20 Correct 53 ms 6936 KB Output is correct - 69930 call(s) of encode_bit()
21 Correct 83 ms 7148 KB Output is correct - 69930 call(s) of encode_bit()
22 Correct 48 ms 6560 KB Output is correct - 69930 call(s) of encode_bit()
23 Correct 68 ms 7276 KB Output is correct - 69930 call(s) of encode_bit()

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 10788 KB Output is correct - 69930 call(s) of encode_bit()
2 Correct 2 ms 4604 KB Output is correct - 60 call(s) of encode_bit()
3 Correct 23 ms 5764 KB Output is correct - 62930 call(s) of encode_bit()
4 Correct 3 ms 4604 KB Output is correct - 80 call(s) of encode_bit()
5 Correct 25 ms 6004 KB Output is correct - 62930 call(s) of encode_bit()
6 Correct 26 ms 6152 KB Output is correct - 69930 call(s) of encode_bit()
7 Correct 38 ms 6400 KB Output is correct - 69930 call(s) of encode_bit()
8 Correct 25 ms 5832 KB Output is correct - 67200 call(s) of encode_bit()
9 Correct 28 ms 5972 KB Output is correct - 69930 call(s) of encode_bit()
10 Correct 28 ms 6020 KB Output is correct - 69930 call(s) of encode_bit()
11 Correct 25 ms 6140 KB Output is correct - 69930 call(s) of encode_bit()
12 Correct 23 ms 5892 KB Output is correct - 69930 call(s) of encode_bit()
13 Correct 53 ms 6476 KB Output is correct - 69930 call(s) of encode_bit()
14 Correct 23 ms 6048 KB Output is correct - 69930 call(s) of encode_bit()
15 Correct 24 ms 5932 KB Output is correct - 69930 call(s) of encode_bit()
16 Correct 51 ms 6360 KB Output is correct - 69930 call(s) of encode_bit()
17 Correct 44 ms 6312 KB Output is correct - 69930 call(s) of encode_bit()
18 Correct 47 ms 6688 KB Output is correct - 69930 call(s) of encode_bit()
19 Correct 33 ms 6204 KB Output is correct - 69930 call(s) of encode_bit()
20 Correct 53 ms 6936 KB Output is correct - 69930 call(s) of encode_bit()
21 Correct 83 ms 7148 KB Output is correct - 69930 call(s) of encode_bit()
22 Correct 48 ms 6560 KB Output is correct - 69930 call(s) of encode_bit()
23 Correct 68 ms 7276 KB Output is correct - 69930 call(s) of encode_bit()

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 10788 KB Output is correct - 69930 call(s) of encode_bit()
2 Correct 2 ms 4604 KB Output is correct - 60 call(s) of encode_bit()
3 Correct 23 ms 5764 KB Output is correct - 62930 call(s) of encode_bit()
4 Correct 3 ms 4604 KB Output is correct - 80 call(s) of encode_bit()
5 Correct 25 ms 6004 KB Output is correct - 62930 call(s) of encode_bit()
6 Correct 26 ms 6152 KB Output is correct - 69930 call(s) of encode_bit()
7 Correct 38 ms 6400 KB Output is correct - 69930 call(s) of encode_bit()
8 Correct 25 ms 5832 KB Output is correct - 67200 call(s) of encode_bit()
9 Correct 28 ms 5972 KB Output is correct - 69930 call(s) of encode_bit()
10 Correct 28 ms 6020 KB Output is correct - 69930 call(s) of encode_bit()
11 Correct 25 ms 6140 KB Output is correct - 69930 call(s) of encode_bit()
12 Correct 23 ms 5892 KB Output is correct - 69930 call(s) of encode_bit()
13 Correct 53 ms 6476 KB Output is correct - 69930 call(s) of encode_bit()
14 Correct 23 ms 6048 KB Output is correct - 69930 call(s) of encode_bit()
15 Correct 24 ms 5932 KB Output is correct - 69930 call(s) of encode_bit()
16 Correct 51 ms 6360 KB Output is correct - 69930 call(s) of encode_bit()
17 Correct 44 ms 6312 KB Output is correct - 69930 call(s) of encode_bit()
18 Correct 47 ms 6688 KB Output is correct - 69930 call(s) of encode_bit()
19 Correct 33 ms 6204 KB Output is correct - 69930 call(s) of encode_bit()
20 Correct 53 ms 6936 KB Output is correct - 69930 call(s) of encode_bit()
21 Correct 83 ms 7148 KB Output is correct - 69930 call(s) of encode_bit()
22 Correct 48 ms 6560 KB Output is correct - 69930 call(s) of encode_bit()
23 Correct 68 ms 7276 KB Output is correct - 69930 call(s) of encode_bit()