Submission #167452

# Submission time Handle Problem Language Result Execution time Memory
167452 2019-12-08T15:16:09 Z muhammad_hokimiyon Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
852 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];
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;
    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();
    }
}
# 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 26 ms 23928 KB Output is correct
4 Correct 26 ms 23800 KB Output is correct
5 Correct 27 ms 23800 KB Output is correct
6 Correct 26 ms 23804 KB Output is correct
7 Correct 27 ms 23800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 23800 KB Output is correct
2 Correct 27 ms 23852 KB Output is correct
3 Correct 26 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 25 ms 23928 KB Output is correct
7 Correct 26 ms 23928 KB Output is correct
8 Correct 27 ms 23844 KB Output is correct
9 Correct 26 ms 23928 KB Output is correct
10 Correct 27 ms 23928 KB Output is correct
11 Correct 27 ms 24020 KB Output is correct
12 Correct 31 ms 26100 KB Output is correct
13 Correct 32 ms 26228 KB Output is correct
14 Correct 27 ms 23928 KB Output is correct
15 Correct 26 ms 23928 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 23800 KB Output is correct
2 Correct 27 ms 23928 KB Output is correct
3 Correct 28 ms 23928 KB Output is correct
4 Correct 26 ms 23928 KB Output is correct
5 Correct 26 ms 23800 KB Output is correct
6 Correct 26 ms 23800 KB Output is correct
7 Correct 26 ms 23800 KB Output is correct
8 Correct 26 ms 23900 KB Output is correct
9 Correct 25 ms 23800 KB Output is correct
10 Correct 26 ms 23908 KB Output is correct
11 Correct 25 ms 24056 KB Output is correct
12 Correct 33 ms 26072 KB Output is correct
13 Correct 32 ms 26100 KB Output is correct
14 Correct 27 ms 23928 KB Output is correct
15 Correct 26 ms 23928 KB Output is correct
16 Correct 26 ms 23904 KB Output is correct
17 Correct 28 ms 24184 KB Output is correct
18 Correct 26 ms 23928 KB Output is correct
19 Correct 27 ms 23900 KB Output is correct
20 Correct 101 ms 56116 KB Output is correct
21 Correct 25 ms 23928 KB Output is correct
22 Correct 25 ms 23928 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 112 ms 57024 KB Output is correct
27 Correct 113 ms 56932 KB Output is correct
28 Correct 27 ms 24184 KB Output is correct
29 Correct 31 ms 24696 KB Output is correct
30 Correct 28 ms 24228 KB Output is correct
31 Correct 29 ms 24312 KB Output is correct
32 Correct 28 ms 24184 KB Output is correct
33 Correct 35 ms 25308 KB Output is correct
34 Correct 32 ms 25208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 26 ms 23928 KB Output is correct
2 Correct 26 ms 23800 KB Output is correct
3 Correct 25 ms 23800 KB Output is correct
4 Correct 26 ms 23800 KB Output is correct
5 Correct 25 ms 23800 KB Output is correct
6 Correct 25 ms 23800 KB Output is correct
7 Correct 26 ms 23800 KB Output is correct
8 Correct 31 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 29 ms 23928 KB Output is correct
12 Correct 31 ms 26100 KB Output is correct
13 Correct 37 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 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 100 ms 55928 KB Output is correct
21 Correct 26 ms 23936 KB Output is correct
22 Correct 26 ms 23928 KB Output is correct
23 Correct 26 ms 23928 KB Output is correct
24 Correct 28 ms 24056 KB Output is correct
25 Correct 28 ms 24056 KB Output is correct
26 Correct 116 ms 57008 KB Output is correct
27 Correct 112 ms 57056 KB Output is correct
28 Correct 27 ms 24184 KB Output is correct
29 Correct 31 ms 24668 KB Output is correct
30 Correct 27 ms 24184 KB Output is correct
31 Correct 29 ms 24440 KB Output is correct
32 Correct 27 ms 24184 KB Output is correct
33 Correct 33 ms 25336 KB Output is correct
34 Correct 32 ms 25236 KB Output is correct
35 Correct 36 ms 25848 KB Output is correct
36 Correct 29 ms 24124 KB Output is correct
37 Correct 39 ms 27384 KB Output is correct
38 Correct 42 ms 26780 KB Output is correct
39 Correct 41 ms 27000 KB Output is correct
40 Correct 41 ms 27000 KB Output is correct
41 Correct 41 ms 26872 KB Output is correct
42 Runtime error 852 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 26 ms 23928 KB Output is correct
2 Correct 26 ms 23900 KB Output is correct
3 Correct 27 ms 23932 KB Output is correct
4 Correct 25 ms 23928 KB Output is correct
5 Correct 26 ms 23928 KB Output is correct
6 Correct 26 ms 23800 KB Output is correct
7 Correct 25 ms 23928 KB Output is correct
8 Correct 25 ms 23928 KB Output is correct
9 Correct 26 ms 23828 KB Output is correct
10 Correct 25 ms 23928 KB Output is correct
11 Correct 26 ms 24056 KB Output is correct
12 Correct 31 ms 26100 KB Output is correct
13 Correct 31 ms 26104 KB Output is correct
14 Correct 26 ms 23924 KB Output is correct
15 Correct 25 ms 23928 KB Output is correct
16 Correct 25 ms 23928 KB Output is correct
17 Correct 26 ms 24184 KB Output is correct
18 Correct 26 ms 24056 KB Output is correct
19 Correct 57 ms 23928 KB Output is correct
20 Correct 100 ms 56184 KB Output is correct
21 Correct 25 ms 23928 KB Output is correct
22 Correct 25 ms 23928 KB Output is correct
23 Correct 26 ms 24056 KB Output is correct
24 Correct 27 ms 24056 KB Output is correct
25 Correct 26 ms 24056 KB Output is correct
26 Correct 114 ms 57152 KB Output is correct
27 Correct 111 ms 56916 KB Output is correct
28 Correct 27 ms 24184 KB Output is correct
29 Correct 30 ms 24568 KB Output is correct
30 Correct 29 ms 24192 KB Output is correct
31 Correct 29 ms 24312 KB Output is correct
32 Correct 27 ms 24184 KB Output is correct
33 Correct 32 ms 25336 KB Output is correct
34 Correct 33 ms 25212 KB Output is correct
35 Correct 37 ms 25784 KB Output is correct
36 Correct 28 ms 24184 KB Output is correct
37 Correct 40 ms 27384 KB Output is correct
38 Correct 42 ms 26872 KB Output is correct
39 Correct 42 ms 27000 KB Output is correct
40 Correct 42 ms 26872 KB Output is correct
41 Correct 42 ms 26744 KB Output is correct
42 Runtime error 492 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -