oj.uz

Submission #223598

# Submission time Handle Problem Language Result Execution time Memory
223598 2020-04-15T14:35:21 Z infinite_iq Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 185 ms 65508 KB 
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 547
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll inf=1e18;
const ld pai=acos(-1);
int n , m , sta , en ;
vpi v[30009] ;
unordered_set<int>s[30009];
int dis[30009] ;
int main () {
        scanf("%d%d",&n,&m);
        for ( int i = 0 ; i < m ; i ++ ) {
                int pos , x ;
                scanf("%d%d",&pos,&x);
                if ( i == 0 ) sta = pos ;
                if ( i == 1 ) en  = pos ;
                s[pos].ins ( x ) ;
        }
        for ( int i = 0 ; i < n ; i ++ ) {
                dis [i] = 1e9 ;
                for ( auto u : s[i] ) {
                        int len = 0 ;
                        for ( int j = i + u ; j < n ; j += u ) {
                                len ++ ;
                                v[i].pb ( { j , len } ) ;
                                if ( s[j] .count ( u ) ) break ;
                        }
                        len = 0 ;
                        for ( int j = i - u ; j >= 0 ; j -= u ) {
                                len ++ ;
                                v[i].pb ( { j , len } ) ;
                                if ( s[j] .count ( u ) ) break ;
                        }
                }
        }
        priority_queue< pair<int , int> , vector< pair<int , int> > , greater< pair<int , int> > > st ;
        dis [sta] = 0 ;
        st .push ( { 0 , sta } ) ;
        while ( st.size() ) {
                int node = st.top().se;
                int t = st.top().fi;
                st .pop();
                if ( node == en ) {
                        printf("%d\n",t);
                        exit(0);
                }
                if ( t > dis[node] ) C ;
                for ( auto U : v[node] ) {
                        int u = U.fi ;
                        int x = U.se ;
                        if ( t + x < dis [u] ) {
                                dis [u] = t + x ;
                                st.push ( { dis[u] , u } ) ;
                        }
                }
        }
        printf("-1\n");
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:34:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&n,&m);
         ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:37:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%d%d",&pos,&x);
                 ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 7 ms 2816 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 7 ms 2816 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 7 ms 2816 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2720 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 7 ms 2816 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 7 ms 2816 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 6 ms 2816 KB Output is correct
17 Correct 8 ms 2944 KB Output is correct
18 Correct 6 ms 2816 KB Output is correct
19 Correct 6 ms 2816 KB Output is correct
20 Correct 7 ms 2944 KB Output is correct
21 Correct 7 ms 2816 KB Output is correct
22 Correct 7 ms 2816 KB Output is correct
23 Correct 7 ms 2816 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 7 ms 2944 KB Output is correct
26 Correct 7 ms 2816 KB Output is correct
27 Correct 7 ms 2816 KB Output is correct
28 Correct 8 ms 3072 KB Output is correct
29 Correct 10 ms 3584 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 8 ms 3200 KB Output is correct
32 Correct 7 ms 3072 KB Output is correct
33 Correct 10 ms 4096 KB Output is correct
34 Correct 10 ms 4096 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 7 ms 2816 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 7 ms 2688 KB Output is correct
14 Correct 7 ms 2816 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 7 ms 2816 KB Output is correct
17 Correct 7 ms 2944 KB Output is correct
18 Correct 7 ms 2816 KB Output is correct
19 Correct 7 ms 2816 KB Output is correct
20 Correct 7 ms 2944 KB Output is correct
21 Correct 7 ms 2728 KB Output is correct
22 Correct 7 ms 2816 KB Output is correct
23 Correct 7 ms 2816 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 8 ms 2944 KB Output is correct
26 Correct 7 ms 2816 KB Output is correct
27 Correct 7 ms 2816 KB Output is correct
28 Correct 8 ms 3072 KB Output is correct
29 Correct 9 ms 3584 KB Output is correct
30 Correct 7 ms 2944 KB Output is correct
31 Correct 8 ms 3072 KB Output is correct
32 Correct 7 ms 3072 KB Output is correct
33 Correct 11 ms 4096 KB Output is correct
34 Correct 10 ms 4096 KB Output is correct
35 Correct 23 ms 5120 KB Output is correct
36 Correct 9 ms 3072 KB Output is correct
37 Correct 24 ms 5760 KB Output is correct
38 Correct 29 ms 6008 KB Output is correct
39 Correct 29 ms 6144 KB Output is correct
40 Correct 28 ms 6016 KB Output is correct
41 Correct 28 ms 6016 KB Output is correct
42 Correct 12 ms 2944 KB Output is correct
43 Correct 12 ms 2944 KB Output is correct
44 Correct 12 ms 3072 KB Output is correct
45 Correct 29 ms 8448 KB Output is correct
46 Correct 28 ms 8576 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 7 ms 2816 KB Output is correct
12 Correct 8 ms 2688 KB Output is correct
13 Correct 7 ms 2688 KB Output is correct
14 Correct 7 ms 2816 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 7 ms 2688 KB Output is correct
17 Correct 8 ms 2944 KB Output is correct
18 Correct 7 ms 2816 KB Output is correct
19 Correct 6 ms 2816 KB Output is correct
20 Correct 7 ms 2816 KB Output is correct
21 Correct 7 ms 2688 KB Output is correct
22 Correct 7 ms 2944 KB Output is correct
23 Correct 7 ms 2816 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 7 ms 2944 KB Output is correct
26 Correct 7 ms 2816 KB Output is correct
27 Correct 7 ms 2816 KB Output is correct
28 Correct 8 ms 3072 KB Output is correct
29 Correct 9 ms 3584 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 8 ms 3200 KB Output is correct
32 Correct 7 ms 3072 KB Output is correct
33 Correct 10 ms 4096 KB Output is correct
34 Correct 10 ms 4096 KB Output is correct
35 Correct 23 ms 5120 KB Output is correct
36 Correct 9 ms 3072 KB Output is correct
37 Correct 24 ms 5760 KB Output is correct
38 Correct 28 ms 6016 KB Output is correct
39 Correct 28 ms 6016 KB Output is correct
40 Correct 28 ms 6008 KB Output is correct
41 Correct 28 ms 6016 KB Output is correct
42 Correct 11 ms 2944 KB Output is correct
43 Correct 12 ms 3072 KB Output is correct
44 Correct 12 ms 3072 KB Output is correct
45 Correct 28 ms 8448 KB Output is correct
46 Correct 28 ms 8576 KB Output is correct
47 Correct 56 ms 13308 KB Output is correct
48 Correct 32 ms 6516 KB Output is correct
49 Correct 31 ms 5880 KB Output is correct
50 Correct 19 ms 5376 KB Output is correct
51 Correct 45 ms 8796 KB Output is correct
52 Correct 45 ms 9208 KB Output is correct
53 Correct 25 ms 5756 KB Output is correct
54 Correct 8 ms 3328 KB Output is correct
55 Correct 20 ms 3708 KB Output is correct
56 Correct 28 ms 5888 KB Output is correct
57 Correct 24 ms 11648 KB Output is correct
58 Correct 16 ms 3960 KB Output is correct
59 Correct 16 ms 4348 KB Output is correct
60 Correct 19 ms 4988 KB Output is correct
61 Correct 17 ms 4480 KB Output is correct
62 Correct 40 ms 10100 KB Output is correct
63 Correct 92 ms 25844 KB Output is correct
64 Correct 96 ms 29092 KB Output is correct
65 Correct 124 ms 39788 KB Output is correct
66 Correct 185 ms 65380 KB Output is correct
67 Correct 178 ms 65508 KB Output is correct