oj.uz

Submission #239248

# Submission time Handle Problem Language Result Execution time Memory
239248 2020-06-15T00:50:52 Z ant101 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 897 ms 262148 KB 
#include <iostream>
#include <algorithm>
#include <cstring>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <vector>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <map>
#include <stack>
#include <queue>
#include <assert.h>
#include <limits>
#include <cstdio>
using namespace std;

//#define RDEBUG 1
#ifdef RDEBUG
#define D(x) x
#else
#define D(x)
#endif
#define inf 0x7fffffff
#define MOD 1000000007



int add(int a, int b) {
    a += b;
    if(a >= MOD) {
        a -= MOD;
    }
    return a;
}
int sub(int a, int b) {
    a -= b;
    if(a < 0) {
        a += MOD;
    }
    return a;
}

int mul(int a, int b) {
    return (a * b)%MOD;
}

void add_self(int& a, int b) {
    a = add(a, b);
}
void sub_self(int& a, int b) {
    a = sub(a, b);
}
void mul_self(int& a, int b) {
    a = mul(a, b);
}


const int MAXN = 30010;

int sp[MAXN][175];
int N, M;
pair<int, int> doge[MAXN];
vector<pair<pair<int, int>, int>> adj[MAXN][175];

void dij(int start) {
    for (int i = 0; i<N; i++) {
        for (int j = 0; j<=sqrt(N); j++) {
            sp[i][j] = 1e9;
        }
    }
    priority_queue<pair<int, pair<int, int>>, vector<pair<int, pair<int, int>>>, greater<pair<int, pair<int, int>>>> pq;
    pq.push({0, {doge[start].first, 0}});
    sp[doge[start].first][0] = 0;
    while (pq.size() != 0) {
        int d = pq.top().first, u = pq.top().second.first, p = pq.top().second.second;
        pq.pop();
        if (sp[u][p] != d) {
            continue;
        }
        if (p != 0) {
            if (u-p >= 0) {
                adj[u][p].push_back({{u-p, p}, 1});
            }
            if (u+p < N) {
                adj[u][p].push_back({{u+p, p}, 1});
            }
            adj[u][p].push_back({{u, 0}, 0});
        }
        for (auto edge : adj[u][p]) {
            int v = edge.first.first, np = edge.first.second, w = edge.second;
            if (d+w < sp[v][np]) {
                sp[v][np] = d+w;
                pq.push({d+w, {v, np}});
            }
        }
        if (p != 0) {
            if (u-p >= 0) {
                adj[u][p].pop_back();
            }
            if (u+p < N) {
                adj[u][p].pop_back();
            }
            adj[u][p].push_back({{u, 0}, 0});
        }
    }
}

int main() {
    ios_base :: sync_with_stdio(false);
    cin >> N >> M;
    for (int i = 0; i<M; i++) {
        int a, b;
        cin >> a >> b;
        doge[i] = {a, b};
        if (b<=sqrt(N)) {
            adj[a][0].push_back({{a, b}, 0});
        } else {
            for (int j = 1; j<=N; j++) {
                int hold = 0;
                if (a-b*j >= 0) {
                    hold++;
                    adj[a][0].push_back({{a-b*j, 0}, j});
                }
                if (a+b*j < N) {
                    hold++;
                    adj[a][0].push_back({{a+b*j, 0}, j});
                }
                if (!hold) {
                    break;
                }
            }
        }
    }
    dij(0);
    cout << (sp[doge[1].first][0] == 1e9 ? -1 : sp[doge[1].first][0]) << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 123640 KB Output is correct
2 Correct 74 ms 123640 KB Output is correct
3 Correct 86 ms 123640 KB Output is correct
4 Correct 75 ms 123640 KB Output is correct
5 Correct 88 ms 123640 KB Output is correct
6 Correct 76 ms 123640 KB Output is correct
7 Correct 74 ms 123608 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 123640 KB Output is correct
2 Correct 76 ms 123640 KB Output is correct
3 Correct 89 ms 123640 KB Output is correct
4 Correct 91 ms 123640 KB Output is correct
5 Correct 73 ms 123640 KB Output is correct
6 Correct 74 ms 123640 KB Output is correct
7 Correct 75 ms 123640 KB Output is correct
8 Correct 78 ms 123640 KB Output is correct
9 Correct 74 ms 123768 KB Output is correct
10 Correct 75 ms 123768 KB Output is correct
11 Correct 87 ms 123896 KB Output is correct
12 Correct 75 ms 123772 KB Output is correct
13 Correct 89 ms 123824 KB Output is correct
14 Correct 89 ms 123896 KB Output is correct
15 Correct 84 ms 124024 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 123640 KB Output is correct
2 Correct 75 ms 123640 KB Output is correct
3 Correct 87 ms 123640 KB Output is correct
4 Correct 76 ms 123640 KB Output is correct
5 Correct 75 ms 123640 KB Output is correct
6 Correct 87 ms 123640 KB Output is correct
7 Correct 76 ms 123640 KB Output is correct
8 Correct 76 ms 123640 KB Output is correct
9 Correct 89 ms 123768 KB Output is correct
10 Correct 87 ms 123768 KB Output is correct
11 Correct 75 ms 123896 KB Output is correct
12 Correct 78 ms 123768 KB Output is correct
13 Correct 76 ms 123768 KB Output is correct
14 Correct 75 ms 123896 KB Output is correct
15 Correct 77 ms 124024 KB Output is correct
16 Correct 75 ms 123896 KB Output is correct
17 Correct 78 ms 124772 KB Output is correct
18 Correct 76 ms 124944 KB Output is correct
19 Correct 79 ms 125048 KB Output is correct
20 Correct 82 ms 125304 KB Output is correct
21 Correct 79 ms 124024 KB Output is correct
22 Correct 90 ms 124972 KB Output is correct
23 Correct 79 ms 125048 KB Output is correct
24 Correct 80 ms 125432 KB Output is correct
25 Correct 83 ms 125304 KB Output is correct
26 Correct 93 ms 125560 KB Output is correct
27 Correct 81 ms 125484 KB Output is correct
28 Correct 83 ms 126072 KB Output is correct
29 Correct 112 ms 128888 KB Output is correct
30 Correct 82 ms 126072 KB Output is correct
31 Correct 86 ms 126968 KB Output is correct
32 Correct 82 ms 125944 KB Output is correct
33 Correct 115 ms 130856 KB Output is correct
34 Correct 115 ms 130936 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 123640 KB Output is correct
2 Correct 75 ms 123768 KB Output is correct
3 Correct 89 ms 123640 KB Output is correct
4 Correct 75 ms 123640 KB Output is correct
5 Correct 78 ms 123764 KB Output is correct
6 Correct 75 ms 123640 KB Output is correct
7 Correct 92 ms 123640 KB Output is correct
8 Correct 76 ms 123768 KB Output is correct
9 Correct 74 ms 123768 KB Output is correct
10 Correct 88 ms 123768 KB Output is correct
11 Correct 78 ms 123896 KB Output is correct
12 Correct 90 ms 123768 KB Output is correct
13 Correct 78 ms 123768 KB Output is correct
14 Correct 84 ms 123896 KB Output is correct
15 Correct 76 ms 123896 KB Output is correct
16 Correct 75 ms 123896 KB Output is correct
17 Correct 80 ms 124792 KB Output is correct
18 Correct 76 ms 124920 KB Output is correct
19 Correct 77 ms 125048 KB Output is correct
20 Correct 76 ms 125304 KB Output is correct
21 Correct 74 ms 124024 KB Output is correct
22 Correct 76 ms 124920 KB Output is correct
23 Correct 77 ms 125048 KB Output is correct
24 Correct 95 ms 125432 KB Output is correct
25 Correct 81 ms 125432 KB Output is correct
26 Correct 91 ms 125560 KB Output is correct
27 Correct 81 ms 125432 KB Output is correct
28 Correct 83 ms 125976 KB Output is correct
29 Correct 95 ms 128888 KB Output is correct
30 Correct 81 ms 126072 KB Output is correct
31 Correct 87 ms 126968 KB Output is correct
32 Correct 81 ms 125944 KB Output is correct
33 Correct 109 ms 130808 KB Output is correct
34 Correct 109 ms 130812 KB Output is correct
35 Correct 95 ms 127860 KB Output is correct
36 Correct 82 ms 125048 KB Output is correct
37 Correct 106 ms 130680 KB Output is correct
38 Correct 111 ms 130168 KB Output is correct
39 Correct 108 ms 130168 KB Output is correct
40 Correct 108 ms 130044 KB Output is correct
41 Correct 108 ms 130040 KB Output is correct
42 Correct 92 ms 126200 KB Output is correct
43 Correct 93 ms 126244 KB Output is correct
44 Correct 86 ms 126112 KB Output is correct
45 Correct 124 ms 136056 KB Output is correct
46 Correct 121 ms 136184 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 123768 KB Output is correct
2 Correct 76 ms 123640 KB Output is correct
3 Correct 75 ms 123640 KB Output is correct
4 Correct 76 ms 123640 KB Output is correct
5 Correct 82 ms 123768 KB Output is correct
6 Correct 76 ms 123640 KB Output is correct
7 Correct 75 ms 123640 KB Output is correct
8 Correct 77 ms 123652 KB Output is correct
9 Correct 90 ms 123768 KB Output is correct
10 Correct 81 ms 123768 KB Output is correct
11 Correct 82 ms 123900 KB Output is correct
12 Correct 90 ms 123768 KB Output is correct
13 Correct 76 ms 123896 KB Output is correct
14 Correct 75 ms 123896 KB Output is correct
15 Correct 89 ms 123896 KB Output is correct
16 Correct 92 ms 123896 KB Output is correct
17 Correct 81 ms 124684 KB Output is correct
18 Correct 80 ms 125048 KB Output is correct
19 Correct 78 ms 125048 KB Output is correct
20 Correct 78 ms 125304 KB Output is correct
21 Correct 77 ms 123896 KB Output is correct
22 Correct 76 ms 124920 KB Output is correct
23 Correct 78 ms 125048 KB Output is correct
24 Correct 95 ms 125432 KB Output is correct
25 Correct 76 ms 125304 KB Output is correct
26 Correct 81 ms 125560 KB Output is correct
27 Correct 78 ms 125432 KB Output is correct
28 Correct 96 ms 126072 KB Output is correct
29 Correct 116 ms 128888 KB Output is correct
30 Correct 96 ms 126176 KB Output is correct
31 Correct 101 ms 126968 KB Output is correct
32 Correct 82 ms 125944 KB Output is correct
33 Correct 123 ms 130808 KB Output is correct
34 Correct 113 ms 130808 KB Output is correct
35 Correct 99 ms 127832 KB Output is correct
36 Correct 81 ms 125048 KB Output is correct
37 Correct 109 ms 130680 KB Output is correct
38 Correct 125 ms 130168 KB Output is correct
39 Correct 127 ms 130168 KB Output is correct
40 Correct 107 ms 130080 KB Output is correct
41 Correct 107 ms 130040 KB Output is correct
42 Correct 89 ms 126288 KB Output is correct
43 Correct 85 ms 126200 KB Output is correct
44 Correct 83 ms 126088 KB Output is correct
45 Correct 118 ms 136056 KB Output is correct
46 Correct 122 ms 136184 KB Output is correct
47 Correct 331 ms 161272 KB Output is correct
48 Correct 144 ms 141560 KB Output is correct
49 Correct 124 ms 142840 KB Output is correct
50 Correct 127 ms 144120 KB Output is correct
51 Correct 264 ms 157436 KB Output is correct
52 Correct 265 ms 158976 KB Output is correct
53 Correct 158 ms 148216 KB Output is correct
54 Correct 132 ms 145144 KB Output is correct
55 Correct 137 ms 145784 KB Output is correct
56 Correct 149 ms 147448 KB Output is correct
57 Correct 361 ms 171456 KB Output is correct
58 Correct 157 ms 149108 KB Output is correct
59 Correct 174 ms 151088 KB Output is correct
60 Correct 191 ms 152436 KB Output is correct
61 Correct 167 ms 150776 KB Output is correct
62 Correct 271 ms 165112 KB Output is correct
63 Correct 227 ms 180428 KB Output is correct
64 Correct 269 ms 193460 KB Output is correct
65 Correct 897 ms 261420 KB Output is correct
66 Runtime error 805 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
67 Halted 0 ms 0 KB -