oj.uz

Submission #74069

# Submission time Handle Problem Language Result Execution time Memory
74069 2018-08-30T02:33:35 Z imeimi2000 Saveit (IOI10_saveit) C++11
75 / 100
 427 ms 12344 KB 
#include "grader.h"
#include "encoder.h"
#include <vector>
#include <queue>

using namespace std;

static int n;
static const int inf = 1e5;
static int dist[36][1000];
static int pr[36][1000];
static vector<int> edge[1000];

void bfs(int dist[], int pr[], int s) {
    for (int i = 0; i < n; ++i) dist[i] = inf;
    dist[s] = 0;
    queue<int> q;
    q.push(s);
    while (!q.empty()) {
        int x = q.front(); q.pop();
        for (int i : edge[x]) {
            if (dist[i] < inf) continue;
            dist[i] = dist[x] + 1;
            pr[i] = x;
            q.push(i);
        }
    }
}


void encode(int N, int H, int M, int * A, int * B) {
    n = N;
    for (int i = 0; i < M; ++i) {
        edge[A[i]].push_back(B[i]);
        edge[B[i]].push_back(A[i]);
    }
    for (int i = 0; i < H; ++i) bfs(dist[i], pr[i], i);
    for (int i = 1; i < N; ++i) {
        for (int j = 10; j--; ) {
            encode_bit((pr[0][i] >> j) & 1);
        }
    }
    for (int i = 1; i < H; ++i) {
        for (int j = 1; j < N; ++j) {
            int x = dist[i][j] - dist[i][pr[0][j]] + 1;
            encode_bit((x >> 1) & 1);
            encode_bit(x & 1);
        }
    }
}

#include "grader.h"
#include "decoder.h"
#include <vector>

using namespace std;

static int d[1000];
static int dist[1000];
static vector<int> edge[1000];

void dfs(int x) {
    for (int i : edge[x]) dist[i] = dist[x] + d[i], dfs(i);
}

void decode(int N, int H) {
    for (int i = 1; i < N; ++i) {
        int x = 0;
        for (int j = 0; j < 10; ++j) {
            x <<= 1;
            x ^= decode_bit();
        }
        d[i] = 1;
        edge[x].push_back(i);
    }
    dist[0] = 0;
    dfs(0);
    for (int i = 0; i < N; ++i) hops(0, i, dist[i]);
    
    for (int i = 1; i < H; ++i) {
        for (int j = 1; j < N; ++j) {
            int x = decode_bit() << 1;
            x ^= decode_bit();
            d[j] = x - 1;
        }
        dfs(0);
        for (int j = 0; j < N; ++j) hops(i, j, dist[j] - dist[i]);
    }
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 12344 KB Output is partially correct - 79920 call(s) of encode_bit()
2 Correct 7 ms 4668 KB Output is correct - 56 call(s) of encode_bit()
3 Correct 28 ms 5820 KB Output is partially correct - 71920 call(s) of encode_bit()
4 Correct 7 ms 4668 KB Output is correct - 72 call(s) of encode_bit()
5 Correct 35 ms 5964 KB Output is partially correct - 71920 call(s) of encode_bit()
6 Correct 36 ms 6176 KB Output is partially correct - 79920 call(s) of encode_bit()
7 Correct 70 ms 6500 KB Output is partially correct - 79920 call(s) of encode_bit()
8 Correct 34 ms 5840 KB Output is partially correct - 76800 call(s) of encode_bit()
9 Correct 33 ms 5876 KB Output is partially correct - 79920 call(s) of encode_bit()
10 Correct 34 ms 6000 KB Output is partially correct - 79920 call(s) of encode_bit()
11 Correct 53 ms 6048 KB Output is partially correct - 79920 call(s) of encode_bit()
12 Correct 31 ms 5744 KB Output is partially correct - 79920 call(s) of encode_bit()
13 Correct 60 ms 6520 KB Output is partially correct - 79920 call(s) of encode_bit()
14 Correct 36 ms 5904 KB Output is partially correct - 79920 call(s) of encode_bit()
15 Correct 36 ms 5948 KB Output is partially correct - 79920 call(s) of encode_bit()
16 Correct 75 ms 6404 KB Output is partially correct - 79920 call(s) of encode_bit()
17 Correct 63 ms 6332 KB Output is partially correct - 79920 call(s) of encode_bit()
18 Correct 66 ms 6556 KB Output is partially correct - 79920 call(s) of encode_bit()
19 Correct 46 ms 6236 KB Output is partially correct - 79920 call(s) of encode_bit()
20 Correct 95 ms 6828 KB Output is partially correct - 79920 call(s) of encode_bit()
21 Correct 117 ms 7012 KB Output is partially correct - 79920 call(s) of encode_bit()
22 Correct 69 ms 6488 KB Output is partially correct - 79920 call(s) of encode_bit()
23 Correct 142 ms 7104 KB Output is partially correct - 79920 call(s) of encode_bit()

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 12344 KB Output is partially correct - 79920 call(s) of encode_bit()
2 Correct 7 ms 4668 KB Output is correct - 56 call(s) of encode_bit()
3 Correct 28 ms 5820 KB Output is partially correct - 71920 call(s) of encode_bit()
4 Correct 7 ms 4668 KB Output is correct - 72 call(s) of encode_bit()
5 Correct 35 ms 5964 KB Output is partially correct - 71920 call(s) of encode_bit()
6 Correct 36 ms 6176 KB Output is partially correct - 79920 call(s) of encode_bit()
7 Correct 70 ms 6500 KB Output is partially correct - 79920 call(s) of encode_bit()
8 Correct 34 ms 5840 KB Output is partially correct - 76800 call(s) of encode_bit()
9 Correct 33 ms 5876 KB Output is partially correct - 79920 call(s) of encode_bit()
10 Correct 34 ms 6000 KB Output is partially correct - 79920 call(s) of encode_bit()
11 Correct 53 ms 6048 KB Output is partially correct - 79920 call(s) of encode_bit()
12 Correct 31 ms 5744 KB Output is partially correct - 79920 call(s) of encode_bit()
13 Correct 60 ms 6520 KB Output is partially correct - 79920 call(s) of encode_bit()
14 Correct 36 ms 5904 KB Output is partially correct - 79920 call(s) of encode_bit()
15 Correct 36 ms 5948 KB Output is partially correct - 79920 call(s) of encode_bit()
16 Correct 75 ms 6404 KB Output is partially correct - 79920 call(s) of encode_bit()
17 Correct 63 ms 6332 KB Output is partially correct - 79920 call(s) of encode_bit()
18 Correct 66 ms 6556 KB Output is partially correct - 79920 call(s) of encode_bit()
19 Correct 46 ms 6236 KB Output is partially correct - 79920 call(s) of encode_bit()
20 Correct 95 ms 6828 KB Output is partially correct - 79920 call(s) of encode_bit()
21 Correct 117 ms 7012 KB Output is partially correct - 79920 call(s) of encode_bit()
22 Correct 69 ms 6488 KB Output is partially correct - 79920 call(s) of encode_bit()
23 Correct 142 ms 7104 KB Output is partially correct - 79920 call(s) of encode_bit()

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 12344 KB Output is partially correct - 79920 call(s) of encode_bit()
2 Correct 7 ms 4668 KB Output is correct - 56 call(s) of encode_bit()
3 Correct 28 ms 5820 KB Output is partially correct - 71920 call(s) of encode_bit()
4 Correct 7 ms 4668 KB Output is correct - 72 call(s) of encode_bit()
5 Correct 35 ms 5964 KB Output is partially correct - 71920 call(s) of encode_bit()
6 Correct 36 ms 6176 KB Output is partially correct - 79920 call(s) of encode_bit()
7 Correct 70 ms 6500 KB Output is partially correct - 79920 call(s) of encode_bit()
8 Correct 34 ms 5840 KB Output is partially correct - 76800 call(s) of encode_bit()
9 Correct 33 ms 5876 KB Output is partially correct - 79920 call(s) of encode_bit()
10 Correct 34 ms 6000 KB Output is partially correct - 79920 call(s) of encode_bit()
11 Correct 53 ms 6048 KB Output is partially correct - 79920 call(s) of encode_bit()
12 Correct 31 ms 5744 KB Output is partially correct - 79920 call(s) of encode_bit()
13 Correct 60 ms 6520 KB Output is partially correct - 79920 call(s) of encode_bit()
14 Correct 36 ms 5904 KB Output is partially correct - 79920 call(s) of encode_bit()
15 Correct 36 ms 5948 KB Output is partially correct - 79920 call(s) of encode_bit()
16 Correct 75 ms 6404 KB Output is partially correct - 79920 call(s) of encode_bit()
17 Correct 63 ms 6332 KB Output is partially correct - 79920 call(s) of encode_bit()
18 Correct 66 ms 6556 KB Output is partially correct - 79920 call(s) of encode_bit()
19 Correct 46 ms 6236 KB Output is partially correct - 79920 call(s) of encode_bit()
20 Correct 95 ms 6828 KB Output is partially correct - 79920 call(s) of encode_bit()
21 Correct 117 ms 7012 KB Output is partially correct - 79920 call(s) of encode_bit()
22 Correct 69 ms 6488 KB Output is partially correct - 79920 call(s) of encode_bit()
23 Correct 142 ms 7104 KB Output is partially correct - 79920 call(s) of encode_bit()

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 12344 KB Output is partially correct - 79920 call(s) of encode_bit()
2 Correct 7 ms 4668 KB Output is correct - 56 call(s) of encode_bit()
3 Correct 28 ms 5820 KB Output is partially correct - 71920 call(s) of encode_bit()
4 Correct 7 ms 4668 KB Output is correct - 72 call(s) of encode_bit()
5 Correct 35 ms 5964 KB Output is partially correct - 71920 call(s) of encode_bit()
6 Correct 36 ms 6176 KB Output is partially correct - 79920 call(s) of encode_bit()
7 Correct 70 ms 6500 KB Output is partially correct - 79920 call(s) of encode_bit()
8 Correct 34 ms 5840 KB Output is partially correct - 76800 call(s) of encode_bit()
9 Correct 33 ms 5876 KB Output is partially correct - 79920 call(s) of encode_bit()
10 Correct 34 ms 6000 KB Output is partially correct - 79920 call(s) of encode_bit()
11 Correct 53 ms 6048 KB Output is partially correct - 79920 call(s) of encode_bit()
12 Correct 31 ms 5744 KB Output is partially correct - 79920 call(s) of encode_bit()
13 Correct 60 ms 6520 KB Output is partially correct - 79920 call(s) of encode_bit()
14 Correct 36 ms 5904 KB Output is partially correct - 79920 call(s) of encode_bit()
15 Correct 36 ms 5948 KB Output is partially correct - 79920 call(s) of encode_bit()
16 Correct 75 ms 6404 KB Output is partially correct - 79920 call(s) of encode_bit()
17 Correct 63 ms 6332 KB Output is partially correct - 79920 call(s) of encode_bit()
18 Correct 66 ms 6556 KB Output is partially correct - 79920 call(s) of encode_bit()
19 Correct 46 ms 6236 KB Output is partially correct - 79920 call(s) of encode_bit()
20 Correct 95 ms 6828 KB Output is partially correct - 79920 call(s) of encode_bit()
21 Correct 117 ms 7012 KB Output is partially correct - 79920 call(s) of encode_bit()
22 Correct 69 ms 6488 KB Output is partially correct - 79920 call(s) of encode_bit()
23 Correct 142 ms 7104 KB Output is partially correct - 79920 call(s) of encode_bit()