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Submission #549543

# Submission time Handle Problem Language Result Execution time Memory
549543 2022-04-16T03:17:59 Z CyberSleeper Jakarta Skyscrapers (APIO15_skyscraper) C++14
22 / 100
 61 ms 3868 KB 
#include <bits/stdc++.h>
#define fastio      ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define debug(x)    cout << "Line " << __LINE__ << ", " << #x << " is " << x << endl
#define all(x)      x.begin(), x.end()
#define fi          first
#define se          second
#define mp          make_pair
#define pb          push_back
#define ll          long long
#define ull         unsigned long long
#define pll         pair<ll, ll>
#define pii         pair<ll, ll>
#define ld          long double
#define nl          endl
#define tb          '\t'
#define sp          ' '
#define sqr(x)      (x)*(x)
#define arr3        array<ll, 3>
using namespace std;

const ll MX=30002, MOD=1000000007, BLOCK=327, INF=2e9+7, LG=62;
const ll INFF=1000000000000000007;
const ld ERR=1e-6, pi=3.14159265358979323846;

ll N, M, B[MX], P[MX];
map<ll, ll> vis[MX];
vector<ll> doge[MX];

int main(){
    fastio;
    cin >> N >> M;
    for(ll i=0; i<M; i++){
        cin >> B[i] >> P[i];
        doge[B[i]].pb(P[i]);
    }
    priority_queue<arr3, vector<arr3>, greater<arr3>> PQ;
    PQ.push({0, B[0], P[0]});
    vis[B[0]][P[0]]=0;
    while(PQ.size()){
        ll cost=PQ.top()[0], idx=PQ.top()[1], p=PQ.top()[2];
        PQ.pop();
        if(vis[idx].count(p) && vis[idx][p]<cost)
            continue;
        for(ll i:doge[idx]){
            if(vis[idx].count(i) && vis[idx][i]<cost)
                continue;
            vis[idx][i]=cost;
            for(ll j=1, jj; idx+i*j<=N; j++){
                jj=idx+i*j;
                if(!vis[jj].count(i) || vis[jj][i]>cost+j){
                    vis[jj][i]=cost+j;
                    PQ.push({cost+j, jj});
                }
            }
            for(ll j=1, jj; idx-i*j>0; j++){
                jj=idx-i*j;
                if(!vis[jj].count(i) || vis[jj][i]>cost+j){
                    vis[jj][i]=cost+j;
                    PQ.push({cost+j, jj});
                }
            }
        }
    }
    ll ans=INFF;
    for(ll i=0; i<=30000; i++){
        if(vis[B[1]].count(i))
            ans=min(ans, vis[B[1]][i]);
    }
    if(ans==INFF)
        ans=-1;
    cout << ans << nl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2388 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 3 ms 2388 KB Output is correct
4 Correct 2 ms 2388 KB Output is correct
5 Correct 3 ms 2388 KB Output is correct
6 Correct 2 ms 2516 KB Output is correct
7 Correct 2 ms 2436 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2440 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 2 ms 2388 KB Output is correct
5 Correct 3 ms 2440 KB Output is correct
6 Correct 2 ms 2388 KB Output is correct
7 Correct 3 ms 2400 KB Output is correct
8 Correct 2 ms 2444 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 3 ms 2568 KB Output is correct
11 Correct 10 ms 2772 KB Output is correct
12 Correct 5 ms 2440 KB Output is correct
13 Correct 4 ms 2516 KB Output is correct
14 Correct 6 ms 2960 KB Output is correct
15 Correct 7 ms 2964 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2388 KB Output is correct
2 Correct 3 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 2 ms 2336 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 2 ms 2444 KB Output is correct
7 Correct 3 ms 2388 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 3 ms 2440 KB Output is correct
10 Correct 3 ms 2516 KB Output is correct
11 Correct 9 ms 2772 KB Output is correct
12 Correct 4 ms 2516 KB Output is correct
13 Correct 7 ms 2524 KB Output is correct
14 Correct 9 ms 3000 KB Output is correct
15 Correct 6 ms 2964 KB Output is correct
16 Correct 3 ms 2448 KB Output is correct
17 Correct 14 ms 3744 KB Output is correct
18 Correct 2 ms 2388 KB Output is correct
19 Correct 3 ms 2388 KB Output is correct
20 Correct 21 ms 2644 KB Output is correct
21 Correct 2 ms 2456 KB Output is correct
22 Correct 3 ms 2388 KB Output is correct
23 Correct 4 ms 2836 KB Output is correct
24 Correct 7 ms 3412 KB Output is correct
25 Correct 6 ms 3028 KB Output is correct
26 Correct 42 ms 3028 KB Output is correct
27 Correct 61 ms 2992 KB Output is correct
28 Incorrect 8 ms 3868 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2440 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 2 ms 2388 KB Output is correct
4 Correct 2 ms 2448 KB Output is correct
5 Correct 2 ms 2440 KB Output is correct
6 Correct 3 ms 2448 KB Output is correct
7 Correct 2 ms 2388 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 2 ms 2516 KB Output is correct
11 Correct 9 ms 2772 KB Output is correct
12 Correct 4 ms 2516 KB Output is correct
13 Correct 3 ms 2516 KB Output is correct
14 Correct 5 ms 2900 KB Output is correct
15 Correct 7 ms 2900 KB Output is correct
16 Correct 3 ms 2388 KB Output is correct
17 Correct 11 ms 3736 KB Output is correct
18 Correct 2 ms 2388 KB Output is correct
19 Correct 3 ms 2388 KB Output is correct
20 Correct 20 ms 2644 KB Output is correct
21 Correct 2 ms 2456 KB Output is correct
22 Correct 2 ms 2388 KB Output is correct
23 Correct 4 ms 2832 KB Output is correct
24 Correct 7 ms 3400 KB Output is correct
25 Correct 4 ms 3028 KB Output is correct
26 Correct 41 ms 3032 KB Output is correct
27 Correct 54 ms 2900 KB Output is correct
28 Incorrect 6 ms 3788 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2388 KB Output is correct
2 Correct 2 ms 2388 KB Output is correct
3 Correct 3 ms 2444 KB Output is correct
4 Correct 2 ms 2444 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 2 ms 2388 KB Output is correct
7 Correct 3 ms 2388 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 3 ms 2388 KB Output is correct
10 Correct 3 ms 2568 KB Output is correct
11 Correct 10 ms 2832 KB Output is correct
12 Correct 4 ms 2516 KB Output is correct
13 Correct 3 ms 2516 KB Output is correct
14 Correct 5 ms 2900 KB Output is correct
15 Correct 8 ms 2900 KB Output is correct
16 Correct 3 ms 2388 KB Output is correct
17 Correct 16 ms 3728 KB Output is correct
18 Correct 2 ms 2388 KB Output is correct
19 Correct 2 ms 2388 KB Output is correct
20 Correct 20 ms 2644 KB Output is correct
21 Correct 2 ms 2492 KB Output is correct
22 Correct 2 ms 2388 KB Output is correct
23 Correct 5 ms 2876 KB Output is correct
24 Correct 7 ms 3412 KB Output is correct
25 Correct 4 ms 3028 KB Output is correct
26 Correct 41 ms 3028 KB Output is correct
27 Correct 49 ms 2996 KB Output is correct
28 Incorrect 7 ms 3796 KB Output isn't correct
29 Halted 0 ms 0 KB -