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Submission #167485

# Submission time Handle Problem Language Result Execution time Memory
167485 2019-12-08T16:43:08 Z muhammad_hokimiyon Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 461 ms 131756 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];
int t[N];
set < int > s[N];
vector < pair < int , int > > v[N];

void solve()
{
    cin >> n >> m;
    for( int i = 0; i < m; i++ ){
        cin >> a[i] >> b[i];
        s[a[i]].insert(b[i]);
    }
    for( int i = 0; i <= n; i++ )d[i] = 1e9;
    for( int i = 0; i < n; i++ ){
        auto it = s[i].begin();
        while( it != s[i].end() ){
            int z = i , cnt = 0;
            while( z + *it < n ){
                z += *it , cnt++;
                v[i].push_back({z , cnt});
                if( s[z].find(*it) != s[z].end() )break;
            }
            z = i , cnt = 0;
            while( z - *it >= 0 ){
                z -= *it , cnt++;
                v[i].push_back({z , cnt});
                if( s[z].find(*it) != s[z].end() )break;
            }
            it++;
        }
    }
    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

# Verdict Execution time Memory Grader output
1 Correct 72 ms 70776 KB Output is correct
2 Correct 73 ms 70776 KB Output is correct
3 Correct 74 ms 70800 KB Output is correct
4 Correct 73 ms 70776 KB Output is correct
5 Correct 73 ms 70868 KB Output is correct
6 Correct 73 ms 70820 KB Output is correct
7 Correct 72 ms 70904 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 70776 KB Output is correct
2 Correct 73 ms 70776 KB Output is correct
3 Correct 71 ms 70820 KB Output is correct
4 Correct 74 ms 70780 KB Output is correct
5 Correct 72 ms 70752 KB Output is correct
6 Correct 72 ms 70776 KB Output is correct
7 Correct 73 ms 70876 KB Output is correct
8 Correct 73 ms 70876 KB Output is correct
9 Correct 74 ms 70876 KB Output is correct
10 Correct 74 ms 70908 KB Output is correct
11 Correct 73 ms 71032 KB Output is correct
12 Correct 74 ms 70780 KB Output is correct
13 Correct 74 ms 70884 KB Output is correct
14 Correct 75 ms 71032 KB Output is correct
15 Correct 74 ms 70904 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 70776 KB Output is correct
2 Correct 71 ms 70868 KB Output is correct
3 Correct 70 ms 70776 KB Output is correct
4 Correct 71 ms 70776 KB Output is correct
5 Correct 71 ms 70816 KB Output is correct
6 Correct 70 ms 70780 KB Output is correct
7 Correct 70 ms 70776 KB Output is correct
8 Correct 78 ms 70904 KB Output is correct
9 Correct 71 ms 70864 KB Output is correct
10 Correct 74 ms 70904 KB Output is correct
11 Correct 72 ms 70988 KB Output is correct
12 Correct 71 ms 70904 KB Output is correct
13 Correct 72 ms 70776 KB Output is correct
14 Correct 74 ms 71132 KB Output is correct
15 Correct 74 ms 71032 KB Output is correct
16 Correct 73 ms 70904 KB Output is correct
17 Correct 72 ms 71160 KB Output is correct
18 Correct 74 ms 71020 KB Output is correct
19 Correct 73 ms 70904 KB Output is correct
20 Correct 72 ms 71060 KB Output is correct
21 Correct 75 ms 70944 KB Output is correct
22 Correct 74 ms 70848 KB Output is correct
23 Correct 74 ms 71032 KB Output is correct
24 Correct 75 ms 71164 KB Output is correct
25 Correct 76 ms 71172 KB Output is correct
26 Correct 74 ms 71032 KB Output is correct
27 Correct 82 ms 71016 KB Output is correct
28 Correct 75 ms 71160 KB Output is correct
29 Correct 79 ms 71672 KB Output is correct
30 Correct 73 ms 71164 KB Output is correct
31 Correct 77 ms 71416 KB Output is correct
32 Correct 75 ms 71164 KB Output is correct
33 Correct 82 ms 72052 KB Output is correct
34 Correct 83 ms 72316 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 70776 KB Output is correct
2 Correct 72 ms 70776 KB Output is correct
3 Correct 74 ms 70868 KB Output is correct
4 Correct 73 ms 70904 KB Output is correct
5 Correct 74 ms 70904 KB Output is correct
6 Correct 73 ms 70780 KB Output is correct
7 Correct 73 ms 70776 KB Output is correct
8 Correct 73 ms 70880 KB Output is correct
9 Correct 73 ms 70776 KB Output is correct
10 Correct 73 ms 70904 KB Output is correct
11 Correct 74 ms 71032 KB Output is correct
12 Correct 74 ms 70904 KB Output is correct
13 Correct 72 ms 70864 KB Output is correct
14 Correct 72 ms 70904 KB Output is correct
15 Correct 72 ms 71012 KB Output is correct
16 Correct 74 ms 70908 KB Output is correct
17 Correct 75 ms 71160 KB Output is correct
18 Correct 73 ms 71032 KB Output is correct
19 Correct 72 ms 70876 KB Output is correct
20 Correct 73 ms 71032 KB Output is correct
21 Correct 74 ms 70904 KB Output is correct
22 Correct 74 ms 70904 KB Output is correct
23 Correct 73 ms 71032 KB Output is correct
24 Correct 74 ms 71088 KB Output is correct
25 Correct 75 ms 71032 KB Output is correct
26 Correct 74 ms 71032 KB Output is correct
27 Correct 74 ms 71032 KB Output is correct
28 Correct 76 ms 71160 KB Output is correct
29 Correct 77 ms 71544 KB Output is correct
30 Correct 81 ms 71108 KB Output is correct
31 Correct 76 ms 71292 KB Output is correct
32 Correct 74 ms 71160 KB Output is correct
33 Correct 82 ms 72180 KB Output is correct
34 Correct 81 ms 72180 KB Output is correct
35 Correct 94 ms 73464 KB Output is correct
36 Correct 77 ms 71412 KB Output is correct
37 Correct 98 ms 74104 KB Output is correct
38 Correct 104 ms 74232 KB Output is correct
39 Correct 105 ms 74488 KB Output is correct
40 Correct 104 ms 74360 KB Output is correct
41 Correct 103 ms 74232 KB Output is correct
42 Correct 78 ms 71416 KB Output is correct
43 Correct 78 ms 71160 KB Output is correct
44 Correct 78 ms 71160 KB Output is correct
45 Correct 109 ms 76920 KB Output is correct
46 Correct 108 ms 76920 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 70840 KB Output is correct
2 Correct 72 ms 70872 KB Output is correct
3 Correct 73 ms 70864 KB Output is correct
4 Correct 72 ms 70904 KB Output is correct
5 Correct 74 ms 70776 KB Output is correct
6 Correct 72 ms 70776 KB Output is correct
7 Correct 72 ms 70776 KB Output is correct
8 Correct 71 ms 70776 KB Output is correct
9 Correct 73 ms 70904 KB Output is correct
10 Correct 74 ms 70840 KB Output is correct
11 Correct 74 ms 70904 KB Output is correct
12 Correct 73 ms 70904 KB Output is correct
13 Correct 74 ms 70780 KB Output is correct
14 Correct 74 ms 71032 KB Output is correct
15 Correct 75 ms 71032 KB Output is correct
16 Correct 74 ms 70904 KB Output is correct
17 Correct 76 ms 71188 KB Output is correct
18 Correct 74 ms 71112 KB Output is correct
19 Correct 74 ms 70904 KB Output is correct
20 Correct 75 ms 71112 KB Output is correct
21 Correct 73 ms 70904 KB Output is correct
22 Correct 74 ms 71032 KB Output is correct
23 Correct 75 ms 71032 KB Output is correct
24 Correct 75 ms 71080 KB Output is correct
25 Correct 76 ms 71216 KB Output is correct
26 Correct 73 ms 71028 KB Output is correct
27 Correct 74 ms 71032 KB Output is correct
28 Correct 75 ms 71160 KB Output is correct
29 Correct 79 ms 71544 KB Output is correct
30 Correct 74 ms 71160 KB Output is correct
31 Correct 76 ms 71288 KB Output is correct
32 Correct 79 ms 71160 KB Output is correct
33 Correct 80 ms 72180 KB Output is correct
34 Correct 82 ms 72180 KB Output is correct
35 Correct 93 ms 73464 KB Output is correct
36 Correct 77 ms 71288 KB Output is correct
37 Correct 98 ms 73976 KB Output is correct
38 Correct 104 ms 74476 KB Output is correct
39 Correct 103 ms 74488 KB Output is correct
40 Correct 106 ms 74232 KB Output is correct
41 Correct 104 ms 74464 KB Output is correct
42 Correct 79 ms 71396 KB Output is correct
43 Correct 79 ms 71160 KB Output is correct
44 Correct 80 ms 71308 KB Output is correct
45 Correct 108 ms 76920 KB Output is correct
46 Correct 107 ms 76956 KB Output is correct
47 Correct 150 ms 81528 KB Output is correct
48 Correct 96 ms 74740 KB Output is correct
49 Correct 94 ms 73848 KB Output is correct
50 Correct 88 ms 73464 KB Output is correct
51 Correct 157 ms 77468 KB Output is correct
52 Correct 156 ms 77696 KB Output is correct
53 Correct 123 ms 75004 KB Output is correct
54 Correct 89 ms 71848 KB Output is correct
55 Correct 80 ms 72384 KB Output is correct
56 Correct 93 ms 73720 KB Output is correct
57 Correct 156 ms 80120 KB Output is correct
58 Correct 87 ms 72816 KB Output is correct
59 Correct 88 ms 73128 KB Output is correct
60 Correct 90 ms 73844 KB Output is correct
61 Correct 90 ms 73336 KB Output is correct
62 Correct 109 ms 78068 KB Output is correct
63 Correct 222 ms 94072 KB Output is correct
64 Correct 230 ms 97648 KB Output is correct
65 Correct 283 ms 107040 KB Output is correct
66 Correct 461 ms 131756 KB Output is correct
67 Correct 456 ms 131680 KB Output is correct