#include "train.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
const int n = (int)a.size(), m = (int)u.size();
std::vector<std::vector<int>> graph(n);
for (int i = 0; i < m; ++i) {
graph[u[i]].push_back(v[i]);
}
auto calcReachability = [&](const int fin) {
std::vector<int> reachableV(n, -1);
reachableV[fin] = 1;
for (int i = 0; i < n; ++i) {
auto itr = std::find(graph[i].begin(), graph[i].end(), i);
if (r[i] == 0 and a[i] == 0 and itr != graph[i].end()) {
reachableV[i] = 0;
}
}
for (int x = 0; x < 2 * n; ++x) {
for (int i = 0; i < n; ++i) {
if (reachableV[i] != -1) {
continue;
}
if (a[i] == 1) {
bool isOk = false, isRa = true;
for (const int t : graph[i]) {
if (reachableV[t] == 1) {
isOk = true;
}
if (reachableV[t] == -1) {
isRa = false;
}
}
if (isOk) {
reachableV[i] = 1;
} else if (isRa) {
reachableV[i] = 0;
}
} else {
bool isOk = true, isRa = true;
for (const int t : graph[i]) {
if (reachableV[t] != 1) {
isOk = false;
}
if (reachableV[t] == -1) {
isRa = false;
}
}
if (isOk) {
reachableV[i] = 1;
} else if (isRa) {
reachableV[i] = 0;
}
}
}
}
for (auto &e : reachableV) {
if (e == -1) {
e = 0;
}
}
reachableV[fin] = -1;
if (a[fin] == 1) {
bool isOk = false;
for (const int t : graph[fin]) {
if (reachableV[t] == 1) {
isOk = true;
} else if (t == fin) {
isOk = true;
}
}
if (isOk) {
reachableV[fin] = 1;
} else {
reachableV[fin] = 0;
}
} else {
bool isOk = true;
for (const int t : graph[fin]) {
if (reachableV[t] == 0) {
isOk = false;
}
}
if (isOk) {
reachableV[fin] = 1;
} else {
reachableV[fin] = 0;
}
}
return reachableV;
};
std::vector<std::vector<int>> reachability(n);
for (int i = 0; i < n; ++i) {
reachability[i] = calcReachability(i);
}
std::vector<int> answer(n);
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
if (r[j] == 1) {
if (reachability[j][i] == 1 and reachability[j][j] == 1) {
answer[i] = 1;
}
}
}
}
return answer;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2072 ms |
944 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
3rd lines differ - on the 2nd token, expected: '1', found: '0' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2066 ms |
1416 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2067 ms |
1160 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2074 ms |
1268 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2072 ms |
944 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |