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Submission #243349

# Submission time Handle Problem Language Result Execution time Memory
243349 2020-07-01T00:16:35 Z Leonardo_Paes Jakarta Skyscrapers (APIO15_skyscraper) C++17
22 / 100
 24 ms 23424 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
typedef pair<int,pii> pip;
#define f first
#define s second
const int maxn = 3e4+10, root = 180, inf = 0x3f3f3f3f;
int b[maxn], p[maxn], dist1[maxn], dist2[maxn][root];
vector<int> doges[maxn];
int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n, m;
    cin >> n >> m;
    for(int i=0; i<m; i++){
        cin >> b[i] >> p[i];
        doges[b[i]].push_back(p[i]);
    }
    queue<pip> fila;
    memset(dist1, inf, sizeof dist1);
    memset(dist2, inf, sizeof dist2);
    fila.push({0, {b[0], p[0]}});
    while(!fila.empty()){
        int d = fila.front().f, u = fila.front().s.f, power = fila.front().s.s;
        fila.pop();
        if(power <= root){
            if(dist2[u][power] != inf) continue;
            dist2[u][power] = d;
            if(u + power < n) fila.push({d + 1, {u + power, power}});
            if(u - power >= 0) fila.push({d + 1, {u - power, power}});
            for(auto x : doges[u]){
                if(u + x < n) fila.push({d + 1, {u + x, x}});
                if(u - x >= 0) fila.push({d + 1, {u - x, x}});
            }
        }
        else{
            if(dist1[u] != inf) continue;
            dist1[u] = d;
            if(u + power < n) fila.push({d + 1, {u + power, power}});
            if(u - power >= 0) fila.push({d + 1, {u - power, power}});
            for(auto x : doges[u]){
                if(u + x < n) fila.push({d + 1, {u + x, x}});
                if(u - x >= 0) fila.push({d + 1, {u - x, x}});
            }
        }
    }
    int ans = dist1[b[1]];
    for(int i=1; i<=root; i++) ans = min(ans, dist2[b[1]][i]);
    cout << (ans == inf ? -1 : ans) << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 22272 KB Output is correct
2 Correct 16 ms 22272 KB Output is correct
3 Correct 18 ms 22272 KB Output is correct
4 Correct 21 ms 22272 KB Output is correct
5 Correct 16 ms 22272 KB Output is correct
6 Correct 17 ms 22272 KB Output is correct
7 Correct 16 ms 22272 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 22272 KB Output is correct
2 Correct 18 ms 22272 KB Output is correct
3 Correct 16 ms 22272 KB Output is correct
4 Correct 16 ms 22272 KB Output is correct
5 Correct 16 ms 22272 KB Output is correct
6 Correct 18 ms 22400 KB Output is correct
7 Correct 16 ms 22272 KB Output is correct
8 Correct 16 ms 22272 KB Output is correct
9 Correct 16 ms 22272 KB Output is correct
10 Correct 16 ms 22400 KB Output is correct
11 Correct 19 ms 22784 KB Output is correct
12 Correct 19 ms 22912 KB Output is correct
13 Correct 16 ms 22400 KB Output is correct
14 Correct 19 ms 23424 KB Output is correct
15 Correct 19 ms 23424 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 22272 KB Output is correct
2 Correct 16 ms 22272 KB Output is correct
3 Correct 16 ms 22272 KB Output is correct
4 Correct 15 ms 22272 KB Output is correct
5 Correct 18 ms 22272 KB Output is correct
6 Correct 16 ms 22248 KB Output is correct
7 Correct 16 ms 22272 KB Output is correct
8 Correct 16 ms 22272 KB Output is correct
9 Correct 16 ms 22272 KB Output is correct
10 Correct 16 ms 22400 KB Output is correct
11 Correct 18 ms 22784 KB Output is correct
12 Correct 17 ms 22912 KB Output is correct
13 Correct 16 ms 22400 KB Output is correct
14 Correct 24 ms 23296 KB Output is correct
15 Correct 18 ms 23296 KB Output is correct
16 Correct 16 ms 22272 KB Output is correct
17 Correct 18 ms 22400 KB Output is correct
18 Correct 16 ms 22400 KB Output is correct
19 Correct 16 ms 22272 KB Output is correct
20 Correct 16 ms 22272 KB Output is correct
21 Correct 16 ms 22272 KB Output is correct
22 Correct 16 ms 22272 KB Output is correct
23 Incorrect 17 ms 22400 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 22272 KB Output is correct
2 Correct 17 ms 22272 KB Output is correct
3 Correct 16 ms 22272 KB Output is correct
4 Correct 16 ms 22272 KB Output is correct
5 Correct 16 ms 22272 KB Output is correct
6 Correct 16 ms 22272 KB Output is correct
7 Correct 18 ms 22272 KB Output is correct
8 Correct 18 ms 22272 KB Output is correct
9 Correct 16 ms 22272 KB Output is correct
10 Correct 16 ms 22400 KB Output is correct
11 Correct 18 ms 22784 KB Output is correct
12 Correct 19 ms 22912 KB Output is correct
13 Correct 17 ms 22400 KB Output is correct
14 Correct 20 ms 23296 KB Output is correct
15 Correct 19 ms 23400 KB Output is correct
16 Correct 16 ms 22272 KB Output is correct
17 Correct 18 ms 22528 KB Output is correct
18 Correct 17 ms 22400 KB Output is correct
19 Correct 16 ms 22272 KB Output is correct
20 Correct 17 ms 22400 KB Output is correct
21 Correct 16 ms 22272 KB Output is correct
22 Correct 16 ms 22272 KB Output is correct
23 Incorrect 17 ms 22400 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 22272 KB Output is correct
2 Correct 16 ms 22400 KB Output is correct
3 Correct 16 ms 22272 KB Output is correct
4 Correct 16 ms 22272 KB Output is correct
5 Correct 16 ms 22272 KB Output is correct
6 Correct 18 ms 22272 KB Output is correct
7 Correct 21 ms 22272 KB Output is correct
8 Correct 16 ms 22272 KB Output is correct
9 Correct 16 ms 22400 KB Output is correct
10 Correct 16 ms 22400 KB Output is correct
11 Correct 18 ms 22784 KB Output is correct
12 Correct 18 ms 22912 KB Output is correct
13 Correct 17 ms 22400 KB Output is correct
14 Correct 19 ms 23296 KB Output is correct
15 Correct 19 ms 23424 KB Output is correct
16 Correct 16 ms 22400 KB Output is correct
17 Correct 18 ms 22400 KB Output is correct
18 Correct 17 ms 22272 KB Output is correct
19 Correct 16 ms 22272 KB Output is correct
20 Correct 21 ms 22376 KB Output is correct
21 Correct 19 ms 22400 KB Output is correct
22 Correct 17 ms 22400 KB Output is correct
23 Incorrect 17 ms 22400 KB Output isn't correct
24 Halted 0 ms 0 KB -