oj.uz

답안 #243947

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
243947 2020-07-02T10:43:25 Z NaimSS Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 716 ms 229492 KB 
        #include <bits/stdc++.h>
        #define ld long double
        #define endl "\n"
        #define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
        #define pb(x) push_back(x)
        #define mp(a,b) make_pair(a,b)
        #define ms(v,x) memset(v,x,sizeof(v))
        #define all(v) v.begin(),v.end()
        #define ff first
        #define ss second
        #define rep(i, a, b) for(int i = a; i < (b); ++i)
        #define per(i, a, b) for(int i = b-1; i>=a ; i--)
        #define trav(a, x) for(auto& a : x)
        #define allin(a , x) for(auto a : x)
        #define td(v) v.begin(),v.end()
        #define sz(v) (int)v.size()
        //#define int long long
        using namespace std;
        typedef vector<int> vi;
        #define y1 abacaba
        #define left sefude
        #define right sefudermano
        typedef long long ll;
        typedef pair<int,int> pii;
        inline ll mod(ll n, ll m ){ ll ret = n%m; if(ret < 0) ret += m; return ret; }
        ll gcd(ll a, ll b){return (b == 0LL ? a : gcd(b, a%b));}
        ll exp(ll a,ll b,ll m){
            if(b==0LL) return 1LL;
            if(b==1LL) return mod(a,m);
            ll k = mod(exp(a,b/2,m),m);
            if(b&1LL){
                return mod(a*mod(k*k,m),m);
            }
            else return mod(k*k,m);
        }
         
         
        int n,m;
        const int N = 3e4 + 10;
        int b[N],p[N];
         
         
        const int sq = 200;
         
        int mark[N]; 
        int dist[N][sq + 3];
        vi aqui[N];
        int mn[N];
        const int inf = 1e9;
        int rev[N];
        vector<pii> pq[N*sq];
       
        #define pwr(x) (x>sq ? sq + 1 : x)


        int32_t main(){
          fastio;
          cin >> n >> m;
          for(int i=0;i<m;i++){
            cin >> b[i] >> p[i];
            aqui[b[i]].pb(i);
          }

          for(int i=0;i<N;i++){
            mn[i] = inf;
            for(int j=0;j<sq+2;j++)dist[i][j] = inf;
          }
          
          dist[b[0]][pwr(p[0])] =0;
          mn[b[0]] = 0;
          pq[0].pb(pii(b[0],0));
          
          for(int D=0;!pq[D].empty();D++){
          while(!pq[D].empty()){
            pii c = pq[D].back();
            pq[D].pop_back();

            int d = D;
            int cur = c.ff;

            if(mn[cur] > d)mn[cur] = d;
            if(p[c.ss] <= sq){
              aqui[cur].pb(c.ss);
            }

            for(int id : aqui[cur]){
                int x = p[id];
                if(x > sq){
                if(dist[cur][sq+1]==inf)dist[cur][sq+1] = d;
                if(mark[id])continue;
                mark[id] = 1;
                  int t=0;
                  for(int l = cur-x;l>=0;l-=x){
                    t++;
                      pq[d+t].pb(pii(l,id));
                  }
                  t=0;
                  for(int l = cur + x;l<n;l+=x){
                    t++;
                      pq[d+t].pb(pii(l,id));
                    
                  }
                }else{
                  dist[cur][x] = min(dist[cur][x],d);
                  if(cur - x >=0 and dist[cur-x][x] == inf){
                    dist[cur-x][x] = d + 1;

                    pq[d+1].pb(pii(cur - x,id));
                  } 
                  if(cur + x < n and dist[cur + x][x] == inf){
                    dist[cur + x][x] = d + 1;
                    pq[d+1].pb(pii(cur + x,id));
                  }
                }
            } 
            aqui[cur].clear();
            
         
         
          }  

          }
         
          int res = mn[b[1]];
          for(int i=1;i<=sq+1;i++)res = min(res,dist[b[1]][i]);
          if(res == inf)cout<<-1<<endl;
          else cout << res << endl;  
          // Math -> gcd it all
          // Did u check N=1? Did you switch N,M?
        }

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 165884 KB Output is correct
2 Correct 106 ms 166008 KB Output is correct
3 Correct 114 ms 165964 KB Output is correct
4 Correct 103 ms 165880 KB Output is correct
5 Correct 104 ms 165880 KB Output is correct
6 Correct 106 ms 165880 KB Output is correct
7 Correct 106 ms 166008 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 105 ms 166008 KB Output is correct
2 Correct 115 ms 166008 KB Output is correct
3 Correct 104 ms 165880 KB Output is correct
4 Correct 104 ms 165880 KB Output is correct
5 Correct 110 ms 166008 KB Output is correct
6 Correct 105 ms 165880 KB Output is correct
7 Correct 110 ms 166104 KB Output is correct
8 Correct 112 ms 166012 KB Output is correct
9 Correct 117 ms 166008 KB Output is correct
10 Correct 108 ms 165928 KB Output is correct
11 Correct 106 ms 166008 KB Output is correct
12 Correct 105 ms 166008 KB Output is correct
13 Correct 103 ms 166008 KB Output is correct
14 Correct 104 ms 166008 KB Output is correct
15 Correct 108 ms 165988 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 105 ms 166008 KB Output is correct
2 Correct 104 ms 165880 KB Output is correct
3 Correct 105 ms 165880 KB Output is correct
4 Correct 119 ms 165880 KB Output is correct
5 Correct 110 ms 166112 KB Output is correct
6 Correct 103 ms 166008 KB Output is correct
7 Correct 104 ms 166008 KB Output is correct
8 Correct 104 ms 166008 KB Output is correct
9 Correct 117 ms 166064 KB Output is correct
10 Correct 102 ms 166008 KB Output is correct
11 Correct 109 ms 166008 KB Output is correct
12 Correct 105 ms 166008 KB Output is correct
13 Correct 102 ms 166008 KB Output is correct
14 Correct 111 ms 165968 KB Output is correct
15 Correct 104 ms 166008 KB Output is correct
16 Correct 105 ms 166008 KB Output is correct
17 Correct 107 ms 166136 KB Output is correct
18 Correct 104 ms 166008 KB Output is correct
19 Correct 106 ms 166008 KB Output is correct
20 Correct 105 ms 166136 KB Output is correct
21 Correct 104 ms 166008 KB Output is correct
22 Correct 104 ms 166008 KB Output is correct
23 Correct 117 ms 166144 KB Output is correct
24 Correct 105 ms 166136 KB Output is correct
25 Correct 105 ms 166136 KB Output is correct
26 Correct 103 ms 166268 KB Output is correct
27 Correct 111 ms 166364 KB Output is correct
28 Correct 106 ms 166612 KB Output is correct
29 Correct 109 ms 166904 KB Output is correct
30 Correct 104 ms 166264 KB Output is correct
31 Correct 116 ms 166520 KB Output is correct
32 Correct 104 ms 166268 KB Output is correct
33 Correct 114 ms 167160 KB Output is correct
34 Correct 118 ms 167208 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 117 ms 166136 KB Output is correct
2 Correct 116 ms 166120 KB Output is correct
3 Correct 102 ms 166008 KB Output is correct
4 Correct 104 ms 165880 KB Output is correct
5 Correct 113 ms 166008 KB Output is correct
6 Correct 116 ms 166008 KB Output is correct
7 Correct 102 ms 165880 KB Output is correct
8 Correct 104 ms 166008 KB Output is correct
9 Correct 102 ms 166008 KB Output is correct
10 Correct 115 ms 166008 KB Output is correct
11 Correct 121 ms 166008 KB Output is correct
12 Correct 109 ms 166008 KB Output is correct
13 Correct 104 ms 166008 KB Output is correct
14 Correct 106 ms 166008 KB Output is correct
15 Correct 102 ms 166008 KB Output is correct
16 Correct 104 ms 166008 KB Output is correct
17 Correct 106 ms 166136 KB Output is correct
18 Correct 103 ms 166008 KB Output is correct
19 Correct 105 ms 166008 KB Output is correct
20 Correct 113 ms 166136 KB Output is correct
21 Correct 103 ms 166008 KB Output is correct
22 Correct 103 ms 166008 KB Output is correct
23 Correct 103 ms 166120 KB Output is correct
24 Correct 106 ms 166136 KB Output is correct
25 Correct 106 ms 166136 KB Output is correct
26 Correct 115 ms 166264 KB Output is correct
27 Correct 118 ms 166264 KB Output is correct
28 Correct 121 ms 166776 KB Output is correct
29 Correct 127 ms 166780 KB Output is correct
30 Correct 109 ms 166264 KB Output is correct
31 Correct 106 ms 166392 KB Output is correct
32 Correct 117 ms 166264 KB Output is correct
33 Correct 115 ms 167160 KB Output is correct
34 Correct 109 ms 167160 KB Output is correct
35 Correct 116 ms 167288 KB Output is correct
36 Correct 119 ms 166240 KB Output is correct
37 Correct 141 ms 167796 KB Output is correct
38 Correct 131 ms 167796 KB Output is correct
39 Correct 138 ms 167668 KB Output is correct
40 Correct 130 ms 167740 KB Output is correct
41 Correct 121 ms 167800 KB Output is correct
42 Correct 108 ms 166524 KB Output is correct
43 Correct 111 ms 166520 KB Output is correct
44 Correct 110 ms 166520 KB Output is correct
45 Correct 145 ms 170548 KB Output is correct
46 Correct 129 ms 170356 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 116 ms 165940 KB Output is correct
2 Correct 106 ms 165880 KB Output is correct
3 Correct 106 ms 165880 KB Output is correct
4 Correct 111 ms 165932 KB Output is correct
5 Correct 102 ms 165880 KB Output is correct
6 Correct 122 ms 166008 KB Output is correct
7 Correct 103 ms 166008 KB Output is correct
8 Correct 105 ms 166008 KB Output is correct
9 Correct 120 ms 165880 KB Output is correct
10 Correct 102 ms 166008 KB Output is correct
11 Correct 104 ms 166008 KB Output is correct
12 Correct 114 ms 166008 KB Output is correct
13 Correct 117 ms 166008 KB Output is correct
14 Correct 104 ms 166008 KB Output is correct
15 Correct 112 ms 166136 KB Output is correct
16 Correct 115 ms 166008 KB Output is correct
17 Correct 104 ms 166136 KB Output is correct
18 Correct 103 ms 166008 KB Output is correct
19 Correct 109 ms 166008 KB Output is correct
20 Correct 104 ms 166136 KB Output is correct
21 Correct 105 ms 166008 KB Output is correct
22 Correct 104 ms 166008 KB Output is correct
23 Correct 103 ms 166136 KB Output is correct
24 Correct 107 ms 166136 KB Output is correct
25 Correct 108 ms 166136 KB Output is correct
26 Correct 107 ms 166264 KB Output is correct
27 Correct 110 ms 166136 KB Output is correct
28 Correct 110 ms 166648 KB Output is correct
29 Correct 110 ms 166776 KB Output is correct
30 Correct 105 ms 166264 KB Output is correct
31 Correct 110 ms 166392 KB Output is correct
32 Correct 107 ms 166264 KB Output is correct
33 Correct 113 ms 167160 KB Output is correct
34 Correct 111 ms 167160 KB Output is correct
35 Correct 112 ms 167160 KB Output is correct
36 Correct 109 ms 166136 KB Output is correct
37 Correct 117 ms 167796 KB Output is correct
38 Correct 117 ms 167796 KB Output is correct
39 Correct 117 ms 167668 KB Output is correct
40 Correct 134 ms 167776 KB Output is correct
41 Correct 122 ms 167800 KB Output is correct
42 Correct 121 ms 166520 KB Output is correct
43 Correct 122 ms 166520 KB Output is correct
44 Correct 108 ms 166392 KB Output is correct
45 Correct 131 ms 170420 KB Output is correct
46 Correct 135 ms 170484 KB Output is correct
47 Correct 164 ms 173412 KB Output is correct
48 Correct 113 ms 166648 KB Output is correct
49 Correct 113 ms 166520 KB Output is correct
50 Correct 106 ms 166392 KB Output is correct
51 Correct 143 ms 170592 KB Output is correct
52 Correct 151 ms 170744 KB Output is correct
53 Correct 140 ms 168440 KB Output is correct
54 Correct 118 ms 166952 KB Output is correct
55 Correct 113 ms 167416 KB Output is correct
56 Correct 128 ms 168056 KB Output is correct
57 Correct 152 ms 171640 KB Output is correct
58 Correct 125 ms 169208 KB Output is correct
59 Correct 121 ms 170048 KB Output is correct
60 Correct 144 ms 170188 KB Output is correct
61 Correct 136 ms 170104 KB Output is correct
62 Correct 178 ms 181496 KB Output is correct
63 Correct 197 ms 187948 KB Output is correct
64 Correct 211 ms 192176 KB Output is correct
65 Correct 320 ms 202404 KB Output is correct
66 Correct 716 ms 229492 KB Output is correct
67 Correct 672 ms 229108 KB Output is correct