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Submission #255962

# Submission time Handle Problem Language Result Execution time Memory
255962 2020-08-02T07:06:14 Z Saacoota Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 791 ms 27896 KB 
#include    <bits/stdc++.h>
#define fo(i,a,b) for(int i=(a);i<=(b);++i)
#define fd(i,a,b) for(int i=(a);i>=(b);--i)
#define rep(i,a,b)  for(int i=(a);i<(b);++i)
#define fi  first
#define se  second
#define LL  unsigned long long
#define uint unsigned int
#define pb  push_back
#define eb  emplace_back
#define bit(s,i) ((s >> i) & 1)
#define off(s,i) (s & (~ (1 << i)))
#define ii pair <int , int>
#define iii1 pair <ii , int>
#define iii2 pair <int , ii>
#define TASK "SKY"
using   namespace   std;
const long long inf = 0x3f3f3f3f3f3f3f3f;
const int oo = 0x3f;
int n , m , p[30004] , b[30004];
vector < int > vc[30004];
int d[30004][210];
struct node {
    int dis , i , p;
};
bool operator > (node a , node b) {
    return a.dis > b.dis;
}
///--------------------------
void readf() {
    cin >> n >> m;
}
///--------------------------
void solve() {
    int sqr = 200;
    for (int i = 0 ; i < m ; ++i) {
        cin >> b[i] >> p[i];
        vc[b[i]].pb(i);
    }
    int ans = 1e9;
    memset(d,0x3f,sizeof(d));
    priority_queue < node , vector < node > , greater < node > > wyna;
    wyna.push({0 , b[0] , 0});
    d[b[0]][0] = 0;
    while (!wyna.empty()) {
        node x = wyna.top();
        int dis = x.dis , pk = x.p , i = x.i;
        if (i == b[1]) ans = min(ans , dis);
        wyna.pop();
        if (dis != d[i][pk]) continue;
        if (pk == 0) {
            for (auto x : vc[i])
            if (p[x] <= sqr) {
                if (d[i][p[x]] > dis) {
                    d[i][p[x]] = dis;
                    wyna.push({dis , i , p[x]});
                }
            } else {
                int pp = p[x];
                int cnt = 0;
                for (int x = i ; x < n ; x += pp)  {
                    if (d[x][0] > dis + cnt) {
                        d[x][0] = dis + cnt;
                        wyna.push({dis + cnt , x , 0});
                    }
                    cnt++;
                }
                cnt = 0;
                for (int x = i ; x >= 0 ; x -= pp) {
                    if (d[x][0] > dis + cnt) {
                        d[x][0] = dis + cnt;
                        wyna.push({dis + cnt , x , 0});
                    }
                    cnt++;
                }

            }
        } else {
            if (i + pk < n && d[i + pk][pk] > dis + 1) {
                d[i + pk][pk] = dis + 1;
                wyna.push({dis + 1 , i + pk , pk});
            }
            if (i - pk >= 0 && d[i - pk][pk] > dis + 1) {
                d[i - pk][pk] = dis + 1;
                wyna.push({dis + 1 , i - pk , pk});
            }
            if (d[i][0] > dis) {
                d[i][0] = dis;
                wyna.push({dis , i , 0});
            }
        }
    }
    if (ans == 1e9) cout << -1;
    else cout << ans;
}
///--------------------------
int main() {
   ios::sync_with_stdio(0);
   cin.tie(0);cout.tie(0);
   readf();
   solve();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 25728 KB Output is correct
2 Correct 14 ms 25728 KB Output is correct
3 Correct 15 ms 25728 KB Output is correct
4 Correct 14 ms 25728 KB Output is correct
5 Correct 15 ms 25728 KB Output is correct
6 Correct 14 ms 25728 KB Output is correct
7 Correct 14 ms 25728 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 25728 KB Output is correct
2 Correct 20 ms 25728 KB Output is correct
3 Correct 14 ms 25728 KB Output is correct
4 Correct 15 ms 25728 KB Output is correct
5 Correct 20 ms 25728 KB Output is correct
6 Correct 14 ms 25728 KB Output is correct
7 Correct 14 ms 25708 KB Output is correct
8 Correct 14 ms 25728 KB Output is correct
9 Correct 16 ms 25728 KB Output is correct
10 Correct 14 ms 25728 KB Output is correct
11 Correct 15 ms 25728 KB Output is correct
12 Correct 15 ms 25728 KB Output is correct
13 Correct 14 ms 25728 KB Output is correct
14 Correct 15 ms 25728 KB Output is correct
15 Correct 15 ms 25728 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25728 KB Output is correct
2 Correct 16 ms 25728 KB Output is correct
3 Correct 15 ms 25728 KB Output is correct
4 Correct 16 ms 25728 KB Output is correct
5 Correct 16 ms 25728 KB Output is correct
6 Correct 15 ms 25728 KB Output is correct
7 Correct 17 ms 25684 KB Output is correct
8 Correct 18 ms 25728 KB Output is correct
9 Correct 13 ms 25728 KB Output is correct
10 Correct 14 ms 25728 KB Output is correct
11 Correct 15 ms 25728 KB Output is correct
12 Correct 16 ms 25728 KB Output is correct
13 Correct 14 ms 25728 KB Output is correct
14 Correct 14 ms 25728 KB Output is correct
15 Correct 15 ms 25728 KB Output is correct
16 Correct 14 ms 25728 KB Output is correct
17 Correct 16 ms 25728 KB Output is correct
18 Correct 14 ms 25728 KB Output is correct
19 Correct 14 ms 25728 KB Output is correct
20 Correct 15 ms 25728 KB Output is correct
21 Correct 14 ms 25728 KB Output is correct
22 Correct 14 ms 25728 KB Output is correct
23 Correct 15 ms 25728 KB Output is correct
24 Correct 16 ms 25728 KB Output is correct
25 Correct 15 ms 25728 KB Output is correct
26 Correct 20 ms 25728 KB Output is correct
27 Correct 14 ms 25728 KB Output is correct
28 Correct 16 ms 25728 KB Output is correct
29 Correct 25 ms 25728 KB Output is correct
30 Correct 15 ms 25728 KB Output is correct
31 Correct 18 ms 25800 KB Output is correct
32 Correct 16 ms 25728 KB Output is correct
33 Correct 26 ms 25728 KB Output is correct
34 Correct 22 ms 25728 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 25728 KB Output is correct
2 Correct 19 ms 25728 KB Output is correct
3 Correct 15 ms 25728 KB Output is correct
4 Correct 14 ms 25728 KB Output is correct
5 Correct 14 ms 25728 KB Output is correct
6 Correct 14 ms 25728 KB Output is correct
7 Correct 14 ms 25728 KB Output is correct
8 Correct 13 ms 25728 KB Output is correct
9 Correct 13 ms 25728 KB Output is correct
10 Correct 18 ms 25720 KB Output is correct
11 Correct 16 ms 25728 KB Output is correct
12 Correct 15 ms 25728 KB Output is correct
13 Correct 15 ms 25728 KB Output is correct
14 Correct 17 ms 25728 KB Output is correct
15 Correct 20 ms 25728 KB Output is correct
16 Correct 15 ms 25720 KB Output is correct
17 Correct 20 ms 25728 KB Output is correct
18 Correct 14 ms 25728 KB Output is correct
19 Correct 14 ms 25728 KB Output is correct
20 Correct 15 ms 25728 KB Output is correct
21 Correct 14 ms 25728 KB Output is correct
22 Correct 15 ms 25728 KB Output is correct
23 Correct 17 ms 25728 KB Output is correct
24 Correct 21 ms 25728 KB Output is correct
25 Correct 15 ms 25728 KB Output is correct
26 Correct 14 ms 25728 KB Output is correct
27 Correct 14 ms 25728 KB Output is correct
28 Correct 15 ms 25728 KB Output is correct
29 Correct 18 ms 25728 KB Output is correct
30 Correct 16 ms 25728 KB Output is correct
31 Correct 18 ms 25728 KB Output is correct
32 Correct 18 ms 25728 KB Output is correct
33 Correct 24 ms 25728 KB Output is correct
34 Correct 24 ms 25728 KB Output is correct
35 Correct 27 ms 26240 KB Output is correct
36 Correct 18 ms 25856 KB Output is correct
37 Correct 31 ms 26240 KB Output is correct
38 Correct 32 ms 26360 KB Output is correct
39 Correct 31 ms 26368 KB Output is correct
40 Correct 34 ms 26360 KB Output is correct
41 Correct 42 ms 26360 KB Output is correct
42 Correct 21 ms 26240 KB Output is correct
43 Correct 21 ms 26116 KB Output is correct
44 Correct 19 ms 26112 KB Output is correct
45 Correct 53 ms 26692 KB Output is correct
46 Correct 55 ms 26680 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 25728 KB Output is correct
2 Correct 16 ms 25728 KB Output is correct
3 Correct 15 ms 25728 KB Output is correct
4 Correct 15 ms 25728 KB Output is correct
5 Correct 15 ms 25728 KB Output is correct
6 Correct 14 ms 25728 KB Output is correct
7 Correct 15 ms 25728 KB Output is correct
8 Correct 16 ms 25728 KB Output is correct
9 Correct 15 ms 25728 KB Output is correct
10 Correct 15 ms 25728 KB Output is correct
11 Correct 18 ms 25720 KB Output is correct
12 Correct 15 ms 25728 KB Output is correct
13 Correct 14 ms 25728 KB Output is correct
14 Correct 15 ms 25728 KB Output is correct
15 Correct 14 ms 25728 KB Output is correct
16 Correct 14 ms 25728 KB Output is correct
17 Correct 16 ms 25728 KB Output is correct
18 Correct 14 ms 25728 KB Output is correct
19 Correct 14 ms 25728 KB Output is correct
20 Correct 14 ms 25772 KB Output is correct
21 Correct 16 ms 25784 KB Output is correct
22 Correct 14 ms 25728 KB Output is correct
23 Correct 15 ms 25728 KB Output is correct
24 Correct 15 ms 25728 KB Output is correct
25 Correct 15 ms 25728 KB Output is correct
26 Correct 15 ms 25728 KB Output is correct
27 Correct 15 ms 25728 KB Output is correct
28 Correct 15 ms 25728 KB Output is correct
29 Correct 17 ms 25728 KB Output is correct
30 Correct 15 ms 25728 KB Output is correct
31 Correct 17 ms 25728 KB Output is correct
32 Correct 15 ms 25728 KB Output is correct
33 Correct 22 ms 25728 KB Output is correct
34 Correct 21 ms 25728 KB Output is correct
35 Correct 25 ms 26240 KB Output is correct
36 Correct 17 ms 25856 KB Output is correct
37 Correct 38 ms 26240 KB Output is correct
38 Correct 38 ms 26360 KB Output is correct
39 Correct 31 ms 26360 KB Output is correct
40 Correct 30 ms 26368 KB Output is correct
41 Correct 29 ms 26368 KB Output is correct
42 Correct 19 ms 26240 KB Output is correct
43 Correct 18 ms 26116 KB Output is correct
44 Correct 19 ms 26204 KB Output is correct
45 Correct 52 ms 26692 KB Output is correct
46 Correct 51 ms 26688 KB Output is correct
47 Correct 82 ms 26816 KB Output is correct
48 Correct 20 ms 26368 KB Output is correct
49 Correct 20 ms 26368 KB Output is correct
50 Correct 21 ms 26232 KB Output is correct
51 Correct 54 ms 27072 KB Output is correct
52 Correct 57 ms 27072 KB Output is correct
53 Correct 33 ms 26496 KB Output is correct
54 Correct 15 ms 25728 KB Output is correct
55 Correct 15 ms 25728 KB Output is correct
56 Correct 23 ms 26880 KB Output is correct
57 Correct 66 ms 25856 KB Output is correct
58 Correct 20 ms 26116 KB Output is correct
59 Correct 26 ms 26240 KB Output is correct
60 Correct 28 ms 26240 KB Output is correct
61 Correct 24 ms 26240 KB Output is correct
62 Correct 49 ms 26872 KB Output is correct
63 Correct 60 ms 27896 KB Output is correct
64 Correct 65 ms 27768 KB Output is correct
65 Correct 309 ms 27892 KB Output is correct
66 Correct 791 ms 27768 KB Output is correct
67 Correct 775 ms 27760 KB Output is correct