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답안 #167458

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
167458 2019-12-08T15:25:10 Z muhammad_hokimiyon Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 1000 ms 160620 KB 
#include <bits/stdc++.h>

//#pragma GCC optimize("Ofast")

#define fi first
#define se second
#define ll long long

using namespace std;

const int N = 1e6 + 7;
const int mod = 1e9 + 7;

int n,m;
int a[N];
int b[N];
int d[N];
int h[N];
vector < pair < int , int > > v[N];

void solve()
{
    cin >> n >> m;
    set < int > s;
    for( int i = 0; i < m; i++ ){
        cin >> a[i] >> b[i];
        h[a[i]] = 1;
        s.insert(a[i]);
    }
    for( int i = 0; i <= n; i++ )d[i] = 1e9;
    for( int i = 0; i < m; i++ ){
        int f = a[i];
        int cnt = 1;
        while( f + b[i] <= n ){
            f += b[i];
            if( s.find(f) != s.end() )v[a[i]].push_back({ f , cnt });
            cnt++;
        }
        f = a[i];
        cnt = 1;
        while( f - b[i] >= 0 ){
            f -= b[i];
            if( s.find(f) != s.end() )v[a[i]].push_back({ f , cnt });
            cnt++;
        }
    }
    d[a[0]] = 0;
    set < pair < int , int > > q;
    q.insert({0 , a[0]});
    while( !q.empty() ){
        int x = q.begin()->se;
        q.erase(q.begin());
        for( auto y : v[x] ){
            if( d[x] + y.se < d[y.fi] ){
                q.erase({d[y.fi] , y.fi});
                d[y.fi] = d[x] + y.se;
                q.insert({ d[y.fi] , y.fi });
            }
        }
    }
    if( d[a[1]] == 1e9 )d[a[1]] = -1;
    cout << d[a[1]];
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen( "input.txt" , "r" , stdin );
    //freopen( "output.txt" , "w" , stdout );

    int t = 1;//cin >> t;
    while( t-- ){
        solve();
    }
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 23800 KB Output is correct
2 Correct 25 ms 23932 KB Output is correct
3 Correct 27 ms 23800 KB Output is correct
4 Correct 25 ms 23800 KB Output is correct
5 Correct 25 ms 23928 KB Output is correct
6 Correct 25 ms 23800 KB Output is correct
7 Correct 25 ms 23928 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 23800 KB Output is correct
2 Correct 25 ms 23928 KB Output is correct
3 Correct 25 ms 23928 KB Output is correct
4 Correct 25 ms 23928 KB Output is correct
5 Correct 25 ms 23800 KB Output is correct
6 Correct 25 ms 23928 KB Output is correct
7 Correct 26 ms 23804 KB Output is correct
8 Correct 26 ms 23800 KB Output is correct
9 Correct 26 ms 23928 KB Output is correct
10 Correct 26 ms 23928 KB Output is correct
11 Correct 26 ms 23928 KB Output is correct
12 Correct 27 ms 24056 KB Output is correct
13 Correct 32 ms 26108 KB Output is correct
14 Correct 26 ms 23928 KB Output is correct
15 Correct 26 ms 23908 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23800 KB Output is correct
2 Correct 26 ms 23900 KB Output is correct
3 Correct 25 ms 23928 KB Output is correct
4 Correct 25 ms 23800 KB Output is correct
5 Correct 25 ms 23892 KB Output is correct
6 Correct 25 ms 23800 KB Output is correct
7 Correct 25 ms 23900 KB Output is correct
8 Correct 25 ms 23928 KB Output is correct
9 Correct 25 ms 23928 KB Output is correct
10 Correct 26 ms 23928 KB Output is correct
11 Correct 26 ms 24056 KB Output is correct
12 Correct 26 ms 24056 KB Output is correct
13 Correct 31 ms 26108 KB Output is correct
14 Correct 26 ms 23928 KB Output is correct
15 Correct 26 ms 23928 KB Output is correct
16 Correct 25 ms 23928 KB Output is correct
17 Correct 29 ms 24188 KB Output is correct
18 Correct 25 ms 23928 KB Output is correct
19 Correct 26 ms 23928 KB Output is correct
20 Correct 336 ms 56312 KB Output is correct
21 Correct 26 ms 23928 KB Output is correct
22 Correct 27 ms 23928 KB Output is correct
23 Correct 27 ms 23928 KB Output is correct
24 Correct 29 ms 24056 KB Output is correct
25 Correct 28 ms 24056 KB Output is correct
26 Correct 74 ms 26116 KB Output is correct
27 Correct 49 ms 25076 KB Output is correct
28 Correct 30 ms 24204 KB Output is correct
29 Correct 26 ms 23928 KB Output is correct
30 Correct 26 ms 23928 KB Output is correct
31 Correct 26 ms 23932 KB Output is correct
32 Correct 25 ms 23844 KB Output is correct
33 Correct 26 ms 24056 KB Output is correct
34 Correct 27 ms 23928 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 25 ms 23928 KB Output is correct
3 Correct 25 ms 23896 KB Output is correct
4 Correct 25 ms 23928 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 25 ms 23928 KB Output is correct
7 Correct 26 ms 23800 KB Output is correct
8 Correct 25 ms 23928 KB Output is correct
9 Correct 25 ms 23928 KB Output is correct
10 Correct 25 ms 23928 KB Output is correct
11 Correct 27 ms 24056 KB Output is correct
12 Correct 27 ms 24184 KB Output is correct
13 Correct 32 ms 26108 KB Output is correct
14 Correct 25 ms 23928 KB Output is correct
15 Correct 25 ms 23928 KB Output is correct
16 Correct 25 ms 23928 KB Output is correct
17 Correct 28 ms 24184 KB Output is correct
18 Correct 27 ms 23900 KB Output is correct
19 Correct 25 ms 23928 KB Output is correct
20 Correct 343 ms 56184 KB Output is correct
21 Correct 26 ms 23928 KB Output is correct
22 Correct 26 ms 23928 KB Output is correct
23 Correct 26 ms 23928 KB Output is correct
24 Correct 29 ms 24056 KB Output is correct
25 Correct 28 ms 24056 KB Output is correct
26 Correct 58 ms 26092 KB Output is correct
27 Correct 49 ms 25056 KB Output is correct
28 Correct 29 ms 24184 KB Output is correct
29 Correct 25 ms 23928 KB Output is correct
30 Correct 25 ms 23800 KB Output is correct
31 Correct 26 ms 23928 KB Output is correct
32 Correct 26 ms 24056 KB Output is correct
33 Correct 27 ms 24056 KB Output is correct
34 Correct 28 ms 23928 KB Output is correct
35 Correct 50 ms 25976 KB Output is correct
36 Correct 29 ms 24396 KB Output is correct
37 Correct 68 ms 27512 KB Output is correct
38 Correct 64 ms 27000 KB Output is correct
39 Correct 65 ms 27156 KB Output is correct
40 Correct 65 ms 27128 KB Output is correct
41 Correct 66 ms 27000 KB Output is correct
42 Correct 522 ms 57504 KB Output is correct
43 Correct 429 ms 40956 KB Output is correct
44 Execution timed out 1075 ms 160620 KB Time limit exceeded
45 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 25 ms 23868 KB Output is correct
3 Correct 26 ms 23928 KB Output is correct
4 Correct 28 ms 23928 KB Output is correct
5 Correct 26 ms 23804 KB Output is correct
6 Correct 24 ms 23928 KB Output is correct
7 Correct 24 ms 23928 KB Output is correct
8 Correct 26 ms 23928 KB Output is correct
9 Correct 26 ms 23928 KB Output is correct
10 Correct 26 ms 23928 KB Output is correct
11 Correct 27 ms 24060 KB Output is correct
12 Correct 27 ms 24056 KB Output is correct
13 Correct 33 ms 26108 KB Output is correct
14 Correct 26 ms 23932 KB Output is correct
15 Correct 27 ms 23928 KB Output is correct
16 Correct 27 ms 23928 KB Output is correct
17 Correct 41 ms 24312 KB Output is correct
18 Correct 27 ms 23928 KB Output is correct
19 Correct 25 ms 23932 KB Output is correct
20 Correct 335 ms 56184 KB Output is correct
21 Correct 25 ms 23928 KB Output is correct
22 Correct 26 ms 23928 KB Output is correct
23 Correct 27 ms 23928 KB Output is correct
24 Correct 28 ms 24056 KB Output is correct
25 Correct 27 ms 24184 KB Output is correct
26 Correct 56 ms 26068 KB Output is correct
27 Correct 49 ms 25204 KB Output is correct
28 Correct 29 ms 24312 KB Output is correct
29 Correct 26 ms 23928 KB Output is correct
30 Correct 25 ms 23928 KB Output is correct
31 Correct 26 ms 23800 KB Output is correct
32 Correct 26 ms 23928 KB Output is correct
33 Correct 26 ms 23928 KB Output is correct
34 Correct 27 ms 23928 KB Output is correct
35 Correct 50 ms 25976 KB Output is correct
36 Correct 30 ms 24184 KB Output is correct
37 Correct 66 ms 27384 KB Output is correct
38 Correct 65 ms 27100 KB Output is correct
39 Correct 67 ms 27104 KB Output is correct
40 Correct 83 ms 27256 KB Output is correct
41 Correct 102 ms 26872 KB Output is correct
42 Correct 521 ms 57428 KB Output is correct
43 Correct 427 ms 41048 KB Output is correct
44 Execution timed out 1074 ms 160492 KB Time limit exceeded
45 Halted 0 ms 0 KB -