oj.uz

답안 #94497

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
94497 2019-01-19T11:34:01 Z adlet 경주 (Race) (IOI11_race) C++17
9 / 100
 35 ms 7672 KB 
#include <bits/stdc++.h>
#include "race.h"

using namespace std;

const int INF = 1e9;
const int NN = 2e5 + 5;

int ans = INF, k;

vector < pair < int, int > > g[NN];

inline void dfs(int v, int sum = 0, int p = -1, int h = 0) {
    if (sum > k || h > ans)
        return;
    if (sum == k) {
        ans = min(ans, h);
        return;
    }
    for (auto node : g[v]) {
        int to = node.first, len = node.second;
        if (to == p)
            continue;
        dfs(to, sum + len, v, h + 1);
    }
}

int best_path(int N, int K, int H[][2], int L[]){
    k = K;
    for (int i = 0; i < N; ++i) {
//        int v = H[i][0], u = H[i][1];
//        g[v].push_back({u, L[i]});
//        g[u].push_back({v, L[i]});
    }
    for (int l = 0; l < N; ++l) {
        int sum = 0;
        for (int r = l; r < N; ++r) {
            sum += L[r];
            if (sum == K) {
                ans = min(ans, r - l + 1);
            }
            if (sum > K)
                break;
        }
    }
//    for (int i = 0; i < N; ++i)
//        dfs(i);
    if (ans == INF)
        ans = -1;
    return ans;
}
/*


*/

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4992 KB Output is correct
8 Correct 5 ms 4984 KB Output is correct
9 Correct 5 ms 4984 KB Output is correct
10 Correct 5 ms 4984 KB Output is correct
11 Correct 5 ms 4984 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 5 ms 4984 KB Output is correct
14 Correct 5 ms 4984 KB Output is correct
15 Correct 5 ms 4984 KB Output is correct
16 Correct 5 ms 4984 KB Output is correct
17 Correct 5 ms 4984 KB Output is correct
18 Correct 5 ms 4984 KB Output is correct

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4992 KB Output is correct
8 Correct 5 ms 4984 KB Output is correct
9 Correct 5 ms 4984 KB Output is correct
10 Correct 5 ms 4984 KB Output is correct
11 Correct 5 ms 4984 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 5 ms 4984 KB Output is correct
14 Correct 5 ms 4984 KB Output is correct
15 Correct 5 ms 4984 KB Output is correct
16 Correct 5 ms 4984 KB Output is correct
17 Correct 5 ms 4984 KB Output is correct
18 Correct 5 ms 4984 KB Output is correct
19 Correct 5 ms 4984 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Incorrect 5 ms 5112 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4992 KB Output is correct
8 Correct 5 ms 4984 KB Output is correct
9 Correct 5 ms 4984 KB Output is correct
10 Correct 5 ms 4984 KB Output is correct
11 Correct 5 ms 4984 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 5 ms 4984 KB Output is correct
14 Correct 5 ms 4984 KB Output is correct
15 Correct 5 ms 4984 KB Output is correct
16 Correct 5 ms 4984 KB Output is correct
17 Correct 5 ms 4984 KB Output is correct
18 Correct 5 ms 4984 KB Output is correct
19 Incorrect 35 ms 7672 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4992 KB Output is correct
8 Correct 5 ms 4984 KB Output is correct
9 Correct 5 ms 4984 KB Output is correct
10 Correct 5 ms 4984 KB Output is correct
11 Correct 5 ms 4984 KB Output is correct
12 Correct 5 ms 4984 KB Output is correct
13 Correct 5 ms 4984 KB Output is correct
14 Correct 5 ms 4984 KB Output is correct
15 Correct 5 ms 4984 KB Output is correct
16 Correct 5 ms 4984 KB Output is correct
17 Correct 5 ms 4984 KB Output is correct
18 Correct 5 ms 4984 KB Output is correct
19 Correct 5 ms 4984 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Incorrect 5 ms 5112 KB Output isn't correct
22 Halted 0 ms 0 KB -