oj.uz

답안 #608665

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
608665 2022-07-27T08:56:53 Z yanndev 장난감 기차 (IOI17_train) C++17
22 / 100
 746 ms 1116 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int MX = 5042;
 
int n;
int deg[MX];
int nxt[MX];
bool vis[MX];
bool vis2[MX];
bool isOk[MX];
bool isAlice[MX];
bool isCharge[MX];
vector<int> rgraph[MX];
 
bool BFS() {
    int start = 0;
    int end = 0;
    
    for (int i = 0; i < n; i++)
        deg[i] = 0;
    for (int i = 0; i < n; i++) {
        for (auto& x: rgraph[i])
            deg[x]++;
        if (isCharge[i] && isOk[i])
            nxt[end++] = i;
        vis[i] = vis2[i] = false;
    }
 
    //cout << layer << ' ' << (int)nxt.size() << '\n';
    
    while (start < end) {
        auto cur = nxt[start++];
        //cout << "cur is " << cur << '\n';
 
        if (vis[cur])
            continue;
        vis[cur] = true;
 
        for (auto& x: rgraph[cur]) {
            if (!vis2[x] && ((--deg[x] == 0) || isAlice[x])) {
                vis2[x] = true;
                nxt[end++] = x;
            }
        }
    }
 
    for (int i = 0; i < n; i++) {
        if (isOk[i] && !vis2[i]) {
            isOk[i] = false;
            return true;
        }
    }
 
    return false;
}
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
 
    for (int i = 0; i < (int)u.size(); i++)
        rgraph[v[i]].push_back(u[i]);
    
    for (int i = 0; i < n; i++) {
        isAlice[i] = a[i];
        isCharge[i] = r[i];
        isOk[i] = true;
    }
 
    while (BFS());
 
    vector<int> ans (n);
    for (int i = 0; i < n; i++)
        ans[i] = isOk[i];
    return ans;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 315 ms 816 KB 3rd lines differ - on the 26th token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 428 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 428 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 424 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 424 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 25 ms 1116 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 746 ms 940 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 526 ms 1056 KB Output is correct
2 Correct 6 ms 1108 KB Output is correct
3 Correct 328 ms 1064 KB Output is correct
4 Correct 6 ms 984 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 248 ms 724 KB Output is correct
7 Correct 24 ms 852 KB Output is correct
8 Correct 44 ms 920 KB Output is correct
9 Correct 32 ms 852 KB Output is correct
10 Correct 3 ms 596 KB Output is correct
11 Correct 13 ms 852 KB Output is correct

Subtask #6
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 315 ms 816 KB 3rd lines differ - on the 26th token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -