oj.uz

Submission #1090137

# Submission time Handle Problem Language Result Execution time Memory
1090137 2024-09-17T19:22:48 Z Tymond Saveit (IOI10_saveit) C++17
0 / 100
 147 ms 12452 KB 
#include "grader.h"
#include "encoder.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

const int MAXN = 1e3 + 7;
const int MAXH = 40;
int dist[MAXH][MAXN];
int lg[MAXN];
vi g[MAXN];
int n, h, m;

void countDist(int start){
    dist[start][start] = 0;
    queue<int> q;
    q.push(start);
    while(sz(q)){
        int v = q.front();
        q.pop();

        for(auto u : g[v]){
            if(u == start){
                continue;
            }
            if(dist[start][u] == 0){
                dist[start][u] = dist[start][v] + 1;
                q.push(u);
            }
        }
    }
}

void encode(int nv, int nh, int ne, int *v1, int *v2){
    n = nv;
    h = nh;
    m = ne;
    for(int i = 0; i < m; i++){
        g[v1[i]].pb(v2[i]);
        g[v2[i]].pb(v1[i]);
    }

    for(int i = 0; i < h; i++){
        countDist(i);
    }
    lg[1] = 1;
    for(int i = 2; i < MAXN; i++){
        lg[i] = lg[i / 2] + 1;
    }

    for(int i = 0; i < h; i++){
        for(int j = 0; j < n; j++){
            int l = 10;
            for(int y = 0; y < i; y++){
                l = min(l, lg[dist[y][i] + dist[y][j]]);
            }
            
            for(int y = 0; y < l; y++){
                if(dist[i][j] & (1 << y)){
                    encode_bit(1);
                }else{
                    encode_bit(0);
                }
            }
        }
    }
    return;
}
#include "grader.h"
#include "decoder.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

const int MAXN = 1e3 + 7;
const int MAXH = 40;
int dist[MAXH][MAXN];
int lg[MAXN];
int n, h;

void decode(int nv, int nh) {
    n = nv;
    h = nh;
    lg[1] = 1;
    for(int i = 2; i < MAXN; i++){
        lg[i] = lg[i / 2] + 1;
    }

    for(int i = 0; i < h; i++){
        for(int j = 0; j < n; j++){
            int l = 10;
            for(int y = 0; y < i; y++){
                l = min(l, lg[dist[y][i] + dist[y][j]]);
            }
            
            for(int y = 0; y < l; y++){
                int a = decode_bit();
                dist[i][j] += (a * (1 << y));
            }
            hops(i, j, dist[i][j]);
        }
    }
    return;
}

Subtask #1
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 12452 KB Output is partially correct - 79685 call(s) of encode_bit()
2 Correct 2 ms 6676 KB Output is correct - 67 call(s) of encode_bit()
3 Correct 23 ms 5872 KB Output is partially correct - 102811 call(s) of encode_bit()
4 Correct 3 ms 6668 KB Output is correct - 81 call(s) of encode_bit()
5 Correct 26 ms 6152 KB Output is partially correct - 93389 call(s) of encode_bit()
6 Correct 25 ms 6136 KB Output is partially correct - 107017 call(s) of encode_bit()
7 Correct 31 ms 6488 KB Output is partially correct - 89587 call(s) of encode_bit()
8 Correct 27 ms 6412 KB Output is partially correct - 173830 call(s) of encode_bit()
9 Correct 35 ms 7164 KB Output is partially correct - 244995 call(s) of encode_bit()
10 Correct 53 ms 7080 KB Output is partially correct - 243635 call(s) of encode_bit()
11 Correct 32 ms 6924 KB Output is partially correct - 198113 call(s) of encode_bit()
12 Incorrect 37 ms 7396 KB wrong parameter
13 Correct 39 ms 8712 KB Output is partially correct - 154450 call(s) of encode_bit()
14 Incorrect 45 ms 8440 KB wrong parameter
15 Incorrect 36 ms 7516 KB Output isn't correct
16 Correct 45 ms 8624 KB Output is partially correct - 225873 call(s) of encode_bit()
17 Correct 41 ms 8624 KB Output is partially correct - 216800 call(s) of encode_bit()
18 Correct 41 ms 7164 KB Output is partially correct - 156852 call(s) of encode_bit()
19 Correct 31 ms 6604 KB Output is partially correct - 150530 call(s) of encode_bit()
20 Correct 46 ms 7420 KB Output is partially correct - 141947 call(s) of encode_bit()
21 Correct 53 ms 9140 KB Output is partially correct - 127537 call(s) of encode_bit()
22 Correct 32 ms 8192 KB Output is partially correct - 95702 call(s) of encode_bit()
23 Correct 50 ms 7304 KB Output is partially correct - 96829 call(s) of encode_bit()

Subtask #2
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 12452 KB Output is partially correct - 79685 call(s) of encode_bit()
2 Correct 2 ms 6676 KB Output is correct - 67 call(s) of encode_bit()
3 Correct 23 ms 5872 KB Output is partially correct - 102811 call(s) of encode_bit()
4 Correct 3 ms 6668 KB Output is correct - 81 call(s) of encode_bit()
5 Correct 26 ms 6152 KB Output is partially correct - 93389 call(s) of encode_bit()
6 Correct 25 ms 6136 KB Output is partially correct - 107017 call(s) of encode_bit()
7 Correct 31 ms 6488 KB Output is partially correct - 89587 call(s) of encode_bit()
8 Correct 27 ms 6412 KB Output is partially correct - 173830 call(s) of encode_bit()
9 Correct 35 ms 7164 KB Output is partially correct - 244995 call(s) of encode_bit()
10 Correct 53 ms 7080 KB Output is partially correct - 243635 call(s) of encode_bit()
11 Correct 32 ms 6924 KB Output is partially correct - 198113 call(s) of encode_bit()
12 Incorrect 37 ms 7396 KB wrong parameter
13 Correct 39 ms 8712 KB Output is partially correct - 154450 call(s) of encode_bit()
14 Incorrect 45 ms 8440 KB wrong parameter
15 Incorrect 36 ms 7516 KB Output isn't correct
16 Correct 45 ms 8624 KB Output is partially correct - 225873 call(s) of encode_bit()
17 Correct 41 ms 8624 KB Output is partially correct - 216800 call(s) of encode_bit()
18 Correct 41 ms 7164 KB Output is partially correct - 156852 call(s) of encode_bit()
19 Correct 31 ms 6604 KB Output is partially correct - 150530 call(s) of encode_bit()
20 Correct 46 ms 7420 KB Output is partially correct - 141947 call(s) of encode_bit()
21 Correct 53 ms 9140 KB Output is partially correct - 127537 call(s) of encode_bit()
22 Correct 32 ms 8192 KB Output is partially correct - 95702 call(s) of encode_bit()
23 Correct 50 ms 7304 KB Output is partially correct - 96829 call(s) of encode_bit()

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 12452 KB Output is partially correct - 79685 call(s) of encode_bit()
2 Correct 2 ms 6676 KB Output is correct - 67 call(s) of encode_bit()
3 Correct 23 ms 5872 KB Output is partially correct - 102811 call(s) of encode_bit()
4 Correct 3 ms 6668 KB Output is correct - 81 call(s) of encode_bit()
5 Correct 26 ms 6152 KB Output is partially correct - 93389 call(s) of encode_bit()
6 Correct 25 ms 6136 KB Output is partially correct - 107017 call(s) of encode_bit()
7 Correct 31 ms 6488 KB Output is partially correct - 89587 call(s) of encode_bit()
8 Correct 27 ms 6412 KB Output is partially correct - 173830 call(s) of encode_bit()
9 Correct 35 ms 7164 KB Output is partially correct - 244995 call(s) of encode_bit()
10 Correct 53 ms 7080 KB Output is partially correct - 243635 call(s) of encode_bit()
11 Correct 32 ms 6924 KB Output is partially correct - 198113 call(s) of encode_bit()
12 Incorrect 37 ms 7396 KB wrong parameter
13 Correct 39 ms 8712 KB Output is partially correct - 154450 call(s) of encode_bit()
14 Incorrect 45 ms 8440 KB wrong parameter
15 Incorrect 36 ms 7516 KB Output isn't correct
16 Correct 45 ms 8624 KB Output is partially correct - 225873 call(s) of encode_bit()
17 Correct 41 ms 8624 KB Output is partially correct - 216800 call(s) of encode_bit()
18 Correct 41 ms 7164 KB Output is partially correct - 156852 call(s) of encode_bit()
19 Correct 31 ms 6604 KB Output is partially correct - 150530 call(s) of encode_bit()
20 Correct 46 ms 7420 KB Output is partially correct - 141947 call(s) of encode_bit()
21 Correct 53 ms 9140 KB Output is partially correct - 127537 call(s) of encode_bit()
22 Correct 32 ms 8192 KB Output is partially correct - 95702 call(s) of encode_bit()
23 Correct 50 ms 7304 KB Output is partially correct - 96829 call(s) of encode_bit()

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 12452 KB Output is partially correct - 79685 call(s) of encode_bit()
2 Correct 2 ms 6676 KB Output is correct - 67 call(s) of encode_bit()
3 Correct 23 ms 5872 KB Output is partially correct - 102811 call(s) of encode_bit()
4 Correct 3 ms 6668 KB Output is correct - 81 call(s) of encode_bit()
5 Correct 26 ms 6152 KB Output is partially correct - 93389 call(s) of encode_bit()
6 Correct 25 ms 6136 KB Output is partially correct - 107017 call(s) of encode_bit()
7 Correct 31 ms 6488 KB Output is partially correct - 89587 call(s) of encode_bit()
8 Correct 27 ms 6412 KB Output is partially correct - 173830 call(s) of encode_bit()
9 Correct 35 ms 7164 KB Output is partially correct - 244995 call(s) of encode_bit()
10 Correct 53 ms 7080 KB Output is partially correct - 243635 call(s) of encode_bit()
11 Correct 32 ms 6924 KB Output is partially correct - 198113 call(s) of encode_bit()
12 Incorrect 37 ms 7396 KB wrong parameter
13 Correct 39 ms 8712 KB Output is partially correct - 154450 call(s) of encode_bit()
14 Incorrect 45 ms 8440 KB wrong parameter
15 Incorrect 36 ms 7516 KB Output isn't correct
16 Correct 45 ms 8624 KB Output is partially correct - 225873 call(s) of encode_bit()
17 Correct 41 ms 8624 KB Output is partially correct - 216800 call(s) of encode_bit()
18 Correct 41 ms 7164 KB Output is partially correct - 156852 call(s) of encode_bit()
19 Correct 31 ms 6604 KB Output is partially correct - 150530 call(s) of encode_bit()
20 Correct 46 ms 7420 KB Output is partially correct - 141947 call(s) of encode_bit()
21 Correct 53 ms 9140 KB Output is partially correct - 127537 call(s) of encode_bit()
22 Correct 32 ms 8192 KB Output is partially correct - 95702 call(s) of encode_bit()
23 Correct 50 ms 7304 KB Output is partially correct - 96829 call(s) of encode_bit()