oj.uz

Submission #953623

# Submission time Handle Problem Language Result Execution time Memory
953623 2024-03-26T10:50:47 Z Unforgettablepl Jakarta Skyscrapers (APIO15_skyscraper) C++17
10 / 100
 5 ms 5980 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

priority_queue<pair<int,pair<int,int>>> q;
vector<int> buildings[30001];
int power[30001];
bool visited[6000000];
const int INF = 1e15;
int n;
const int threshold = 172;

inline void adddoge(int x,int building,int dist){
    if(power[x]>threshold){
        int minimum = building - power[x] * (building / power[x]);
        for (int i = minimum; i < n; i += power[x])
            if (!visited[174*i-173]) {
                q.emplace(dist - (abs(building - i) / power[x]), make_pair(i,0));
            }
    } else {
        if(!visited[building*174-173+power[x]])q.emplace(dist,make_pair(building,power[x]));
    }
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int m;
    cin >> n >> m;
    int base,tar;
    cin>>base>>power[0]>>tar>>power[1];
    buildings[base].emplace_back(0);
    buildings[tar].emplace_back(1);
    for(int i=2;i<m;i++){
        int b;cin>>b>>power[i];
        buildings[b].emplace_back(i);
    }
    q.emplace(0, make_pair(base,0));
    while(!q.empty()){
        auto curr = q.top();q.pop();
        if(visited[174*curr.second.first-173+curr.second.second])continue;
        visited[174*curr.second.first-173+curr.second.second]=true;
        if(curr.second.first==tar){
            cout << -curr.first << '\n';
            return 0;
        }
        if(curr.second.second==0)for(int&i:buildings[curr.second.first])adddoge(i,curr.second.first,curr.first);
        else {
            if(!visited[curr.second.first*174-173])q.emplace(curr.first, make_pair(curr.second.first,0));
            if(curr.second.first+curr.second.second<n and !visited[174*(curr.second.first+curr.second.second)-173+curr.second.second])q.emplace(curr.first-1,make_pair(curr.second.first+curr.second.second,curr.second.second));
            if(curr.second.first-curr.second.second>=0 and !visited[174*(curr.second.first-curr.second.second)-173+curr.second.second])q.emplace(curr.first-1,make_pair(curr.second.first-curr.second.second,curr.second.second));
        }
    }
    cout << "-1\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 2 ms 2904 KB Output is correct
4 Correct 1 ms 2904 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Runtime error 4 ms 5980 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2904 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Runtime error 5 ms 5976 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2904 KB Output is correct
5 Correct 1 ms 3112 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Runtime error 4 ms 5980 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 3160 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 3160 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2932 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2908 KB Output is correct
13 Correct 1 ms 2908 KB Output is correct
14 Runtime error 4 ms 5980 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -