oj.uz

Submission #838448

# Submission time Handle Problem Language Result Execution time Memory
838448 2023-08-27T00:58:09 Z 8pete8 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 556 ms 225440 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define pb push_back
#define all(x) x.begin(),x.end()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define p push
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
const int mxn=3*1e4,mod=998244353,lg=42,root=80,inf=1e9;
void setIO(string name) {
	ios_base::sync_with_stdio(0); cin.tie(0);
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
int dist[(mxn*(root+1))+10];
vector<pii>adj[(mxn*(root+1))+10];
bitset<(mxn*(root+1))+10>vis;
int n,m;
//make dummy node
// n orginal + n node for each root(n)
//node more than root id = mxn*ith+starting point
void init(){
    for(int i=1;i<=min(n,root);i++){
        for(int j=0;j<n;j++){
            adj[(mxn*i)+j].pb({j,0});//going down
        }
        for(int j=i;j<n;j++){
            //buid=ld edge for each i
            adj[(mxn*i)+j].pb({(mxn*i)+(j-i),1});
            adj[(mxn*i)+(j-i)].pb({(mxn*i)+j,1});
        }
    }
}
int32_t main(){
    fastio
    cin>>n>>m;
    int end;
    init();
    fill(dist,dist+(mxn*(root+1)),inf);
    priority_queue<pii,vector<pii>,greater<pii>>pq;
    for(int i=0;i<m;i++){
        int st,p;cin>>st>>p;
        if(i==1)end=st;
        if(i==0)pq.push({0,st}),dist[st]=0;
        if(p<=root)adj[st].pb({(p*mxn)+st,0});
        else{
            for(int j=1;(j*p)+st<n;j++){
                adj[st].pb({(j*p)+st,j});
                //adj[(j*p)+st].pb({st,j});
            }
            for(int j=1;st-(j*p)>=0;j++){
                adj[st].pb({st-(j*p),j});
                //adj[st-(j*p)].pb({st,j});
            }
            //connect normal edge
        }
        //input
    }
    //dijkstra
    while(!pq.empty()){
        int cur=pq.top().s;
        pq.pop();
        for(auto i:adj[cur]){
            if(dist[i.f]>dist[cur]+i.s){
                dist[i.f]=dist[cur]+i.s;
                pq.push({dist[i.f],i.f});
            }
        }
    }
    cout<<((dist[end]==inf)?-1:dist[end]);
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void setIO(std::string)':
skyscraper.cpp:31:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:32:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp: In function 'int32_t main()':
skyscraper.cpp:89:21: warning: 'end' may be used uninitialized in this function [-Wmaybe-uninitialized]
   89 |     cout<<((dist[end]==inf)?-1:dist[end]);
      |             ~~~~~~~~^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 66916 KB Output is correct
2 Correct 33 ms 66900 KB Output is correct
3 Correct 29 ms 66900 KB Output is correct
4 Correct 29 ms 66772 KB Output is correct
5 Correct 29 ms 66900 KB Output is correct
6 Correct 30 ms 66900 KB Output is correct
7 Correct 30 ms 66900 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 66936 KB Output is correct
2 Correct 28 ms 66868 KB Output is correct
3 Correct 30 ms 66892 KB Output is correct
4 Correct 29 ms 66900 KB Output is correct
5 Correct 29 ms 66772 KB Output is correct
6 Correct 33 ms 66764 KB Output is correct
7 Correct 29 ms 66900 KB Output is correct
8 Correct 30 ms 66900 KB Output is correct
9 Correct 29 ms 67028 KB Output is correct
10 Correct 29 ms 67156 KB Output is correct
11 Correct 31 ms 67156 KB Output is correct
12 Correct 31 ms 67156 KB Output is correct
13 Correct 30 ms 67156 KB Output is correct
14 Correct 30 ms 67156 KB Output is correct
15 Correct 30 ms 67156 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 66772 KB Output is correct
2 Correct 29 ms 66884 KB Output is correct
3 Correct 29 ms 66900 KB Output is correct
4 Correct 29 ms 66772 KB Output is correct
5 Correct 29 ms 66900 KB Output is correct
6 Correct 29 ms 66804 KB Output is correct
7 Correct 29 ms 66876 KB Output is correct
8 Correct 29 ms 66892 KB Output is correct
9 Correct 30 ms 66900 KB Output is correct
10 Correct 32 ms 67156 KB Output is correct
11 Correct 30 ms 67156 KB Output is correct
12 Correct 29 ms 67156 KB Output is correct
13 Correct 30 ms 67192 KB Output is correct
14 Correct 31 ms 67140 KB Output is correct
15 Correct 32 ms 67208 KB Output is correct
16 Correct 31 ms 67560 KB Output is correct
17 Correct 36 ms 69588 KB Output is correct
18 Correct 48 ms 73416 KB Output is correct
19 Correct 44 ms 74280 KB Output is correct
20 Correct 45 ms 74316 KB Output is correct
21 Correct 32 ms 68252 KB Output is correct
22 Correct 48 ms 73428 KB Output is correct
23 Correct 41 ms 72780 KB Output is correct
24 Correct 46 ms 74060 KB Output is correct
25 Correct 45 ms 74316 KB Output is correct
26 Correct 44 ms 74316 KB Output is correct
27 Correct 45 ms 74352 KB Output is correct
28 Correct 45 ms 74324 KB Output is correct
29 Correct 47 ms 74356 KB Output is correct
30 Correct 47 ms 74360 KB Output is correct
31 Correct 46 ms 74324 KB Output is correct
32 Correct 46 ms 74316 KB Output is correct
33 Correct 51 ms 74384 KB Output is correct
34 Correct 51 ms 74316 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 66900 KB Output is correct
2 Correct 29 ms 66880 KB Output is correct
3 Correct 29 ms 66900 KB Output is correct
4 Correct 30 ms 66772 KB Output is correct
5 Correct 29 ms 66900 KB Output is correct
6 Correct 29 ms 66764 KB Output is correct
7 Correct 30 ms 66900 KB Output is correct
8 Correct 30 ms 66900 KB Output is correct
9 Correct 33 ms 66892 KB Output is correct
10 Correct 34 ms 67212 KB Output is correct
11 Correct 30 ms 67152 KB Output is correct
12 Correct 30 ms 67156 KB Output is correct
13 Correct 31 ms 67156 KB Output is correct
14 Correct 31 ms 67156 KB Output is correct
15 Correct 31 ms 67156 KB Output is correct
16 Correct 31 ms 67540 KB Output is correct
17 Correct 36 ms 69620 KB Output is correct
18 Correct 44 ms 73420 KB Output is correct
19 Correct 44 ms 74316 KB Output is correct
20 Correct 44 ms 74316 KB Output is correct
21 Correct 32 ms 68180 KB Output is correct
22 Correct 42 ms 73420 KB Output is correct
23 Correct 43 ms 72780 KB Output is correct
24 Correct 45 ms 73940 KB Output is correct
25 Correct 46 ms 74356 KB Output is correct
26 Correct 46 ms 74364 KB Output is correct
27 Correct 52 ms 74316 KB Output is correct
28 Correct 46 ms 74316 KB Output is correct
29 Correct 48 ms 74312 KB Output is correct
30 Correct 55 ms 74316 KB Output is correct
31 Correct 46 ms 74316 KB Output is correct
32 Correct 47 ms 74316 KB Output is correct
33 Correct 54 ms 74316 KB Output is correct
34 Correct 51 ms 74324 KB Output is correct
35 Correct 51 ms 72660 KB Output is correct
36 Correct 40 ms 70928 KB Output is correct
37 Correct 64 ms 75188 KB Output is correct
38 Correct 63 ms 75212 KB Output is correct
39 Correct 67 ms 75280 KB Output is correct
40 Correct 64 ms 75392 KB Output is correct
41 Correct 63 ms 75256 KB Output is correct
42 Correct 48 ms 74700 KB Output is correct
43 Correct 48 ms 74700 KB Output is correct
44 Correct 53 ms 74776 KB Output is correct
45 Correct 63 ms 78044 KB Output is correct
46 Correct 64 ms 78156 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 66856 KB Output is correct
2 Correct 31 ms 66772 KB Output is correct
3 Correct 30 ms 66772 KB Output is correct
4 Correct 30 ms 66772 KB Output is correct
5 Correct 34 ms 66920 KB Output is correct
6 Correct 30 ms 66900 KB Output is correct
7 Correct 30 ms 66764 KB Output is correct
8 Correct 30 ms 66900 KB Output is correct
9 Correct 30 ms 66900 KB Output is correct
10 Correct 32 ms 67168 KB Output is correct
11 Correct 31 ms 67156 KB Output is correct
12 Correct 32 ms 67156 KB Output is correct
13 Correct 30 ms 67156 KB Output is correct
14 Correct 31 ms 67156 KB Output is correct
15 Correct 32 ms 67156 KB Output is correct
16 Correct 30 ms 67540 KB Output is correct
17 Correct 36 ms 69588 KB Output is correct
18 Correct 43 ms 73420 KB Output is correct
19 Correct 46 ms 74268 KB Output is correct
20 Correct 49 ms 74372 KB Output is correct
21 Correct 32 ms 68180 KB Output is correct
22 Correct 43 ms 73468 KB Output is correct
23 Correct 43 ms 72816 KB Output is correct
24 Correct 49 ms 73932 KB Output is correct
25 Correct 52 ms 74452 KB Output is correct
26 Correct 45 ms 74256 KB Output is correct
27 Correct 47 ms 74316 KB Output is correct
28 Correct 47 ms 74324 KB Output is correct
29 Correct 48 ms 74316 KB Output is correct
30 Correct 46 ms 74316 KB Output is correct
31 Correct 48 ms 74364 KB Output is correct
32 Correct 46 ms 74320 KB Output is correct
33 Correct 52 ms 74388 KB Output is correct
34 Correct 52 ms 74324 KB Output is correct
35 Correct 52 ms 72660 KB Output is correct
36 Correct 39 ms 70860 KB Output is correct
37 Correct 62 ms 75252 KB Output is correct
38 Correct 63 ms 75212 KB Output is correct
39 Correct 63 ms 75220 KB Output is correct
40 Correct 62 ms 75288 KB Output is correct
41 Correct 70 ms 75324 KB Output is correct
42 Correct 47 ms 74708 KB Output is correct
43 Correct 47 ms 74700 KB Output is correct
44 Correct 48 ms 74628 KB Output is correct
45 Correct 63 ms 78156 KB Output is correct
46 Correct 65 ms 78276 KB Output is correct
47 Correct 259 ms 118220 KB Output is correct
48 Correct 217 ms 155340 KB Output is correct
49 Correct 249 ms 163252 KB Output is correct
50 Correct 261 ms 172624 KB Output is correct
51 Correct 323 ms 181736 KB Output is correct
52 Correct 318 ms 181836 KB Output is correct
53 Correct 277 ms 179572 KB Output is correct
54 Correct 272 ms 179432 KB Output is correct
55 Correct 267 ms 179516 KB Output is correct
56 Correct 271 ms 180572 KB Output is correct
57 Correct 345 ms 179620 KB Output is correct
58 Correct 269 ms 179812 KB Output is correct
59 Correct 284 ms 179908 KB Output is correct
60 Correct 306 ms 180428 KB Output is correct
61 Correct 301 ms 180136 KB Output is correct
62 Correct 288 ms 182372 KB Output is correct
63 Correct 337 ms 204376 KB Output is correct
64 Correct 344 ms 212292 KB Output is correct
65 Correct 368 ms 218664 KB Output is correct
66 Correct 553 ms 225440 KB Output is correct
67 Correct 556 ms 225412 KB Output is correct