Submission #459434

# Submission time Handle Problem Language Result Execution time Memory
459434 2021-08-08T13:30:59 Z azberjibiou Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
953 ms 213552 KB
#include <bits/stdc++.h>
#define gibon ios::sync_with_stdio(false); cin.tie(0);
#define bp __builtin_popcount
#define fir first
#define sec second
#define pii pair<int, int>
#define pll pair<ll, ll>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
using namespace std;
int dx[4]={0, 1, 0, -1}, dy[4]={1, 0, -1 , 0};
const int mxN=30010;
const int mxM=3000000;
const int mxK=100001;
const int MOD=1000000007;
const ll INF=9223372036854775807;
int N, M;
vector <pii> BP;
vector <pair<int, bool>> adj[mxM];
int idx;
int X, Y;
list <int> lst;
int dis[mxM];
bool cmp1(pii a, pii b)
{
    if(a.sec!=b.sec) return a.sec<b.sec;
    if(a.fir%a.sec!=b.fir%b.sec)    return a.fir%a.sec<b.fir%b.sec;
    return a.fir<b.fir;
}
void zero_one_bfs()
{
    int s=0, e=0;
    while(!lst.empty())
    {
        int now=lst.front();
        lst.pop_front();
        for(auto nxt : adj[now])
        {
            if(dis[nxt.fir]>dis[now]+nxt.sec)
            {
                dis[nxt.fir]=dis[now]+nxt.sec;
                if(dis[now]==dis[nxt.fir])   lst.push_front(nxt.fir);
                else    lst.push_back(nxt.fir);
            }
        }
    }
}
int main()
{
    gibon
    cin >> N >> M;
    idx=N;
    BP.resize(M);
    for(int i=0;i<M;i++)
    {
        cin >> BP[i].fir >> BP[i].sec;
        if(i==0)    X=BP[i].fir;
        if(i==1)    Y=BP[i].fir;
    }
    sort(BP.begin(), BP.end(), cmp1);
    int cur=0;
    while(cur<M)
    {
        int ncur=cur;
        bool jog=false;
        for(int j=BP[ncur].fir%BP[ncur].sec;j<N;j+=BP[ncur].sec)
        {
            if(cur<M && BP[cur].fir==j && BP[cur].sec==BP[ncur].sec)
            {
                adj[j].push_back({idx, 0});
                while(cur<M && BP[cur].fir==j && BP[cur].sec==BP[ncur].sec)   cur++;
            }
            adj[idx].push_back({j, 0});
            if(!jog)    jog=true;
            else
            {
                adj[idx].push_back({idx-1, 1});
                adj[idx-1].push_back({idx, 1});
            }
            idx++;
            if(idx>=mxM)    return 0;
        }
    }
    for(int i=0;i<idx;i++)
    {
        dis[i]=MOD;
    }
    dis[X]=0;
    lst.push_front(X);
    zero_one_bfs();
    if(dis[Y]==MOD) cout << -1;
    else    cout << dis[Y];
}

Compilation message

skyscraper.cpp: In function 'void zero_one_bfs()':
skyscraper.cpp:34:9: warning: unused variable 's' [-Wunused-variable]
   34 |     int s=0, e=0;
      |         ^
skyscraper.cpp:34:14: warning: unused variable 'e' [-Wunused-variable]
   34 |     int s=0, e=0;
      |              ^
# Verdict Execution time Memory Grader output
1 Correct 41 ms 70708 KB Output is correct
2 Correct 39 ms 70728 KB Output is correct
3 Correct 41 ms 70756 KB Output is correct
4 Correct 44 ms 70744 KB Output is correct
5 Correct 38 ms 70680 KB Output is correct
6 Correct 40 ms 70644 KB Output is correct
7 Correct 39 ms 70632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 38 ms 70692 KB Output is correct
2 Correct 40 ms 70640 KB Output is correct
3 Correct 40 ms 70692 KB Output is correct
4 Correct 40 ms 70724 KB Output is correct
5 Correct 43 ms 70696 KB Output is correct
6 Correct 40 ms 70664 KB Output is correct
7 Correct 39 ms 70716 KB Output is correct
8 Correct 38 ms 70732 KB Output is correct
9 Correct 38 ms 70780 KB Output is correct
10 Correct 40 ms 70796 KB Output is correct
11 Correct 43 ms 70936 KB Output is correct
12 Correct 39 ms 70780 KB Output is correct
13 Correct 39 ms 70768 KB Output is correct
14 Correct 41 ms 71076 KB Output is correct
15 Correct 41 ms 70980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 45 ms 70732 KB Output is correct
2 Correct 39 ms 70712 KB Output is correct
3 Correct 40 ms 70652 KB Output is correct
4 Correct 42 ms 70632 KB Output is correct
5 Correct 39 ms 70744 KB Output is correct
6 Correct 40 ms 70704 KB Output is correct
7 Correct 40 ms 70740 KB Output is correct
8 Correct 40 ms 70636 KB Output is correct
9 Correct 39 ms 70756 KB Output is correct
10 Correct 39 ms 70724 KB Output is correct
11 Correct 40 ms 70932 KB Output is correct
12 Correct 39 ms 70688 KB Output is correct
13 Correct 39 ms 70776 KB Output is correct
14 Correct 42 ms 71024 KB Output is correct
15 Correct 41 ms 70980 KB Output is correct
16 Correct 39 ms 70828 KB Output is correct
17 Correct 41 ms 71420 KB Output is correct
18 Correct 40 ms 70992 KB Output is correct
19 Correct 39 ms 70948 KB Output is correct
20 Correct 39 ms 70912 KB Output is correct
21 Correct 39 ms 70772 KB Output is correct
22 Correct 41 ms 70932 KB Output is correct
23 Correct 47 ms 70988 KB Output is correct
24 Correct 41 ms 71392 KB Output is correct
25 Correct 40 ms 71116 KB Output is correct
26 Correct 41 ms 71108 KB Output is correct
27 Correct 42 ms 71132 KB Output is correct
28 Correct 46 ms 71828 KB Output is correct
29 Correct 50 ms 73880 KB Output is correct
30 Correct 48 ms 71564 KB Output is correct
31 Correct 45 ms 72444 KB Output is correct
32 Correct 46 ms 71952 KB Output is correct
33 Correct 72 ms 76844 KB Output is correct
34 Correct 73 ms 76868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 40 ms 70624 KB Output is correct
2 Correct 39 ms 70744 KB Output is correct
3 Correct 40 ms 70744 KB Output is correct
4 Correct 39 ms 70716 KB Output is correct
5 Correct 40 ms 70724 KB Output is correct
6 Correct 38 ms 70716 KB Output is correct
7 Correct 38 ms 70684 KB Output is correct
8 Correct 39 ms 70708 KB Output is correct
9 Correct 39 ms 70652 KB Output is correct
10 Correct 40 ms 70840 KB Output is correct
11 Correct 47 ms 70932 KB Output is correct
12 Correct 44 ms 70756 KB Output is correct
13 Correct 41 ms 70768 KB Output is correct
14 Correct 40 ms 71076 KB Output is correct
15 Correct 40 ms 71116 KB Output is correct
16 Correct 40 ms 70860 KB Output is correct
17 Correct 41 ms 71480 KB Output is correct
18 Correct 39 ms 70996 KB Output is correct
19 Correct 41 ms 70916 KB Output is correct
20 Correct 40 ms 70852 KB Output is correct
21 Correct 45 ms 70880 KB Output is correct
22 Correct 45 ms 71020 KB Output is correct
23 Correct 41 ms 71088 KB Output is correct
24 Correct 42 ms 71396 KB Output is correct
25 Correct 41 ms 71048 KB Output is correct
26 Correct 40 ms 71108 KB Output is correct
27 Correct 40 ms 71100 KB Output is correct
28 Correct 43 ms 71952 KB Output is correct
29 Correct 61 ms 73796 KB Output is correct
30 Correct 43 ms 71680 KB Output is correct
31 Correct 49 ms 72412 KB Output is correct
32 Correct 49 ms 71848 KB Output is correct
33 Correct 63 ms 76924 KB Output is correct
34 Correct 63 ms 76868 KB Output is correct
35 Correct 71 ms 76336 KB Output is correct
36 Correct 44 ms 71596 KB Output is correct
37 Correct 92 ms 80068 KB Output is correct
38 Correct 95 ms 79460 KB Output is correct
39 Correct 91 ms 79456 KB Output is correct
40 Correct 98 ms 79556 KB Output is correct
41 Correct 94 ms 79488 KB Output is correct
42 Correct 50 ms 71364 KB Output is correct
43 Correct 50 ms 71236 KB Output is correct
44 Correct 50 ms 71112 KB Output is correct
45 Correct 199 ms 95700 KB Output is correct
46 Correct 206 ms 95712 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 39 ms 70844 KB Output is correct
2 Correct 40 ms 70644 KB Output is correct
3 Correct 39 ms 70724 KB Output is correct
4 Correct 38 ms 70732 KB Output is correct
5 Correct 39 ms 70760 KB Output is correct
6 Correct 40 ms 70724 KB Output is correct
7 Correct 39 ms 70744 KB Output is correct
8 Correct 41 ms 70724 KB Output is correct
9 Correct 38 ms 70640 KB Output is correct
10 Correct 40 ms 70756 KB Output is correct
11 Correct 41 ms 70976 KB Output is correct
12 Correct 39 ms 70776 KB Output is correct
13 Correct 39 ms 70732 KB Output is correct
14 Correct 40 ms 71000 KB Output is correct
15 Correct 40 ms 70968 KB Output is correct
16 Correct 41 ms 70932 KB Output is correct
17 Correct 46 ms 71548 KB Output is correct
18 Correct 41 ms 71008 KB Output is correct
19 Correct 39 ms 71000 KB Output is correct
20 Correct 40 ms 70944 KB Output is correct
21 Correct 47 ms 70876 KB Output is correct
22 Correct 45 ms 71008 KB Output is correct
23 Correct 40 ms 71032 KB Output is correct
24 Correct 41 ms 71404 KB Output is correct
25 Correct 41 ms 71100 KB Output is correct
26 Correct 40 ms 71144 KB Output is correct
27 Correct 40 ms 71104 KB Output is correct
28 Correct 43 ms 71880 KB Output is correct
29 Correct 52 ms 73804 KB Output is correct
30 Correct 43 ms 71540 KB Output is correct
31 Correct 46 ms 72440 KB Output is correct
32 Correct 44 ms 71876 KB Output is correct
33 Correct 64 ms 76872 KB Output is correct
34 Correct 64 ms 76908 KB Output is correct
35 Correct 73 ms 76344 KB Output is correct
36 Correct 43 ms 71688 KB Output is correct
37 Correct 107 ms 80060 KB Output is correct
38 Correct 91 ms 79512 KB Output is correct
39 Correct 104 ms 79576 KB Output is correct
40 Correct 102 ms 79528 KB Output is correct
41 Correct 92 ms 79556 KB Output is correct
42 Correct 50 ms 71364 KB Output is correct
43 Correct 51 ms 71244 KB Output is correct
44 Correct 53 ms 71148 KB Output is correct
45 Correct 221 ms 95700 KB Output is correct
46 Correct 205 ms 95700 KB Output is correct
47 Correct 276 ms 109248 KB Output is correct
48 Correct 78 ms 82756 KB Output is correct
49 Correct 66 ms 78204 KB Output is correct
50 Correct 68 ms 78192 KB Output is correct
51 Correct 139 ms 87256 KB Output is correct
52 Correct 147 ms 88676 KB Output is correct
53 Correct 67 ms 75680 KB Output is correct
54 Correct 43 ms 72284 KB Output is correct
55 Correct 47 ms 73660 KB Output is correct
56 Correct 65 ms 73572 KB Output is correct
57 Correct 168 ms 92896 KB Output is correct
58 Correct 58 ms 74464 KB Output is correct
59 Correct 71 ms 76000 KB Output is correct
60 Correct 73 ms 77332 KB Output is correct
61 Correct 69 ms 76516 KB Output is correct
62 Correct 137 ms 96280 KB Output is correct
63 Correct 788 ms 187304 KB Output is correct
64 Correct 953 ms 213552 KB Output is correct
65 Incorrect 412 ms 210244 KB Output isn't correct
66 Halted 0 ms 0 KB -