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Submission #167442

# Submission time Handle Problem Language Result Execution time Memory
167442 2019-12-08T14:59:37 Z muhammad_hokimiyon Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 486 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 = 1e5 + 7;
const int mod = 1e9 + 7;

int n,m;
int a[N];
int b[N];
int d[N];
int h[N];
priority_queue< pair < int , int > > q;
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];
            v[a[i]].push_back({ f , cnt });
            cnt++;
        }
        f = a[i];
        cnt = 1;
        while( f - b[i] >= 0 ){
            f -= b[i];
            v[a[i]].push_back({ f , cnt });
            cnt++;
        }
    }
    d[a[0]] = 0;
    q.push({0 , a[0]});
    while( !q.empty() ){
        int x = q.top().se;
        q.pop();
        for( auto y : v[x] ){
            if( d[x] + y.se < d[y.fi] ){
                d[y.fi] = d[x] + y.se;
                q.push({ -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 4 ms 2684 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2808 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 5 ms 2684 KB Output is correct
11 Correct 3 ms 2808 KB Output is correct
12 Correct 9 ms 4972 KB Output is correct
13 Correct 9 ms 4984 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 5 ms 2684 KB Output is correct
3 Correct 4 ms 2776 KB Output is correct
4 Correct 5 ms 2736 KB Output is correct
5 Correct 4 ms 2728 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2656 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 9 ms 2680 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 6 ms 2808 KB Output is correct
12 Correct 9 ms 4980 KB Output is correct
13 Correct 9 ms 4988 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2812 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 9 ms 2936 KB Output is correct
18 Correct 5 ms 2808 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 76 ms 34936 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 4 ms 2808 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 6 ms 2936 KB Output is correct
25 Correct 6 ms 2936 KB Output is correct
26 Correct 97 ms 35864 KB Output is correct
27 Correct 86 ms 35752 KB Output is correct
28 Correct 6 ms 2936 KB Output is correct
29 Correct 7 ms 3576 KB Output is correct
30 Correct 5 ms 3064 KB Output is correct
31 Correct 6 ms 3192 KB Output is correct
32 Correct 5 ms 3064 KB Output is correct
33 Correct 9 ms 4216 KB Output is correct
34 Correct 9 ms 4216 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 5 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 5 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 5 ms 2812 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 9 ms 4940 KB Output is correct
13 Correct 9 ms 4984 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 6 ms 3064 KB Output is correct
18 Correct 5 ms 2812 KB Output is correct
19 Correct 5 ms 2772 KB Output is correct
20 Correct 76 ms 34808 KB Output is correct
21 Correct 5 ms 2808 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 6 ms 2936 KB Output is correct
25 Correct 6 ms 2924 KB Output is correct
26 Correct 90 ms 35776 KB Output is correct
27 Correct 94 ms 35812 KB Output is correct
28 Correct 6 ms 3064 KB Output is correct
29 Correct 7 ms 3576 KB Output is correct
30 Correct 6 ms 3064 KB Output is correct
31 Correct 6 ms 3196 KB Output is correct
32 Correct 5 ms 3064 KB Output is correct
33 Correct 9 ms 4216 KB Output is correct
34 Correct 9 ms 4216 KB Output is correct
35 Correct 15 ms 4700 KB Output is correct
36 Correct 6 ms 2936 KB Output is correct
37 Correct 18 ms 6392 KB Output is correct
38 Correct 20 ms 5880 KB Output is correct
39 Correct 19 ms 6008 KB Output is correct
40 Correct 19 ms 5976 KB Output is correct
41 Correct 20 ms 5752 KB Output is correct
42 Runtime error 486 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 6 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2740 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2708 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 10 ms 4980 KB Output is correct
13 Correct 9 ms 4984 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 6 ms 3192 KB Output is correct
18 Correct 5 ms 2780 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 75 ms 34908 KB Output is correct
21 Correct 4 ms 2808 KB Output is correct
22 Correct 4 ms 2808 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 5 ms 2876 KB Output is correct
25 Correct 5 ms 2936 KB Output is correct
26 Correct 90 ms 35904 KB Output is correct
27 Correct 86 ms 35812 KB Output is correct
28 Correct 5 ms 3064 KB Output is correct
29 Correct 7 ms 3576 KB Output is correct
30 Correct 5 ms 3064 KB Output is correct
31 Correct 6 ms 3192 KB Output is correct
32 Correct 6 ms 3064 KB Output is correct
33 Correct 9 ms 4216 KB Output is correct
34 Correct 9 ms 4220 KB Output is correct
35 Correct 14 ms 4728 KB Output is correct
36 Correct 6 ms 2952 KB Output is correct
37 Correct 18 ms 6396 KB Output is correct
38 Correct 19 ms 5772 KB Output is correct
39 Correct 19 ms 6008 KB Output is correct
40 Correct 19 ms 6008 KB Output is correct
41 Correct 19 ms 5752 KB Output is correct
42 Runtime error 484 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -