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Submission #167459

# Submission time Handle Problem Language Result Execution time Memory
167459 2019-12-08T15:26:34 Z muhammad_hokimiyon Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 512 ms 262148 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];
vector < pair < int , int > > v[N];

void solve()
{
    cin >> n >> m;
    for( int i = 0; i < m; i++ ){
        cin >> a[i] >> b[i];
        h[a[i]] = 1;
    }
    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( h[f] )v[a[i]].push_back({ f , cnt });
            cnt++;
        }
        f = a[i];
        cnt = 1;
        while( f - b[i] >= 0 ){
            f -= b[i];
            if( h[f] )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

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23800 KB Output is correct
2 Correct 25 ms 23800 KB Output is correct
3 Correct 25 ms 23800 KB Output is correct
4 Correct 25 ms 23800 KB Output is correct
5 Correct 26 ms 23928 KB Output is correct
6 Correct 26 ms 23800 KB Output is correct
7 Correct 26 ms 23872 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 23804 KB Output is correct
2 Correct 25 ms 23800 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 24 ms 23796 KB Output is correct
5 Correct 26 ms 23928 KB Output is correct
6 Correct 25 ms 23800 KB Output is correct
7 Correct 25 ms 23800 KB Output is correct
8 Correct 25 ms 23800 KB Output is correct
9 Correct 26 ms 23800 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 24184 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

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 26 ms 23800 KB Output is correct
3 Correct 30 ms 23800 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 23800 KB Output is correct
7 Correct 24 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 26 ms 23928 KB Output is correct
11 Correct 26 ms 23928 KB Output is correct
12 Correct 26 ms 24184 KB Output is correct
13 Correct 30 ms 26108 KB Output is correct
14 Correct 26 ms 23928 KB Output is correct
15 Correct 25 ms 23932 KB Output is correct
16 Correct 31 ms 23928 KB Output is correct
17 Correct 26 ms 24184 KB Output is correct
18 Correct 25 ms 23928 KB Output is correct
19 Correct 26 ms 23932 KB Output is correct
20 Correct 100 ms 56056 KB Output is correct
21 Correct 24 ms 23928 KB Output is correct
22 Correct 25 ms 23928 KB Output is correct
23 Correct 25 ms 23928 KB Output is correct
24 Correct 27 ms 24016 KB Output is correct
25 Correct 27 ms 24060 KB Output is correct
26 Correct 33 ms 26092 KB Output is correct
27 Correct 32 ms 25080 KB Output is correct
28 Correct 28 ms 24184 KB Output is correct
29 Correct 26 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 23928 KB Output is correct
33 Correct 51 ms 23928 KB Output is correct
34 Correct 26 ms 23928 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 23928 KB Output is correct
2 Correct 25 ms 23900 KB Output is correct
3 Correct 25 ms 23928 KB Output is correct
4 Correct 26 ms 23928 KB Output is correct
5 Correct 48 ms 23928 KB Output is correct
6 Correct 26 ms 23876 KB Output is correct
7 Correct 48 ms 23800 KB Output is correct
8 Correct 25 ms 23932 KB Output is correct
9 Correct 25 ms 23800 KB Output is correct
10 Correct 26 ms 23936 KB Output is correct
11 Correct 27 ms 24056 KB Output is correct
12 Correct 27 ms 24184 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 26 ms 23928 KB Output is correct
17 Correct 27 ms 24188 KB Output is correct
18 Correct 31 ms 23928 KB Output is correct
19 Correct 24 ms 23928 KB Output is correct
20 Correct 102 ms 56056 KB Output is correct
21 Correct 25 ms 23928 KB Output is correct
22 Correct 26 ms 23928 KB Output is correct
23 Correct 26 ms 24056 KB Output is correct
24 Correct 26 ms 23928 KB Output is correct
25 Correct 27 ms 24012 KB Output is correct
26 Correct 32 ms 26096 KB Output is correct
27 Correct 31 ms 25080 KB Output is correct
28 Correct 27 ms 24184 KB Output is correct
29 Correct 26 ms 23928 KB Output is correct
30 Correct 26 ms 23928 KB Output is correct
31 Correct 25 ms 23800 KB Output is correct
32 Correct 31 ms 23800 KB Output is correct
33 Correct 26 ms 23928 KB Output is correct
34 Correct 27 ms 23928 KB Output is correct
35 Correct 37 ms 25592 KB Output is correct
36 Correct 27 ms 24184 KB Output is correct
37 Correct 42 ms 27260 KB Output is correct
38 Correct 41 ms 26616 KB Output is correct
39 Correct 41 ms 26872 KB Output is correct
40 Correct 42 ms 26616 KB Output is correct
41 Correct 41 ms 26616 KB Output is correct
42 Correct 146 ms 57088 KB Output is correct
43 Correct 118 ms 40664 KB Output is correct
44 Runtime error 503 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
45 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23928 KB Output is correct
2 Correct 26 ms 23812 KB Output is correct
3 Correct 28 ms 23800 KB Output is correct
4 Correct 26 ms 23800 KB Output is correct
5 Correct 28 ms 23800 KB Output is correct
6 Correct 26 ms 23800 KB Output is correct
7 Correct 25 ms 23800 KB Output is correct
8 Correct 30 ms 23800 KB Output is correct
9 Correct 25 ms 23800 KB Output is correct
10 Correct 25 ms 23928 KB Output is correct
11 Correct 26 ms 23928 KB Output is correct
12 Correct 26 ms 24056 KB Output is correct
13 Correct 30 ms 26104 KB Output is correct
14 Correct 28 ms 23928 KB Output is correct
15 Correct 26 ms 23928 KB Output is correct
16 Correct 26 ms 23928 KB Output is correct
17 Correct 27 ms 24184 KB Output is correct
18 Correct 26 ms 23928 KB Output is correct
19 Correct 26 ms 23928 KB Output is correct
20 Correct 103 ms 56240 KB Output is correct
21 Correct 25 ms 23928 KB Output is correct
22 Correct 25 ms 23856 KB Output is correct
23 Correct 26 ms 23928 KB Output is correct
24 Correct 27 ms 24056 KB Output is correct
25 Correct 27 ms 24056 KB Output is correct
26 Correct 33 ms 26096 KB Output is correct
27 Correct 31 ms 25052 KB Output is correct
28 Correct 26 ms 24184 KB Output is correct
29 Correct 26 ms 23928 KB Output is correct
30 Correct 25 ms 23928 KB Output is correct
31 Correct 25 ms 23916 KB Output is correct
32 Correct 25 ms 23800 KB Output is correct
33 Correct 27 ms 23928 KB Output is correct
34 Correct 27 ms 23928 KB Output is correct
35 Correct 36 ms 25848 KB Output is correct
36 Correct 27 ms 24184 KB Output is correct
37 Correct 39 ms 27256 KB Output is correct
38 Correct 41 ms 26744 KB Output is correct
39 Correct 41 ms 27000 KB Output is correct
40 Correct 42 ms 27000 KB Output is correct
41 Correct 40 ms 26744 KB Output is correct
42 Correct 146 ms 57340 KB Output is correct
43 Correct 120 ms 40664 KB Output is correct
44 Runtime error 512 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
45 Halted 0 ms 0 KB -