// PA 2024 4B - Desant 3
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <stack>
#include <unordered_set>
using namespace std;
void generateAllResults(unordered_set<string> *results, string state, unsigned k, bool containsOne) {
if (k == state.size()) {
if (containsOne) {
results->insert(state);
}
return;
}
generateAllResults(results, state, k + 1, containsOne);
state[k] = '1';
generateAllResults(results, state, k + 1, true);
};
int main()
{
ios_base::sync_with_stdio(0);
int n, m, a, b;
bool met1, met10, met101;
unordered_set<string> results;
unordered_set<string>::iterator it2;
string state;
vector<int> endResults;
cin >> n;
cin >> m;
state = "";
for (int i = 0; i < n; ++i) {
endResults.push_back(0);
state += '0';
}
generateAllResults(&results, state, 0, false);
for (int i = 0; i < m; ++i) {
cin >> a;
cin >> b;
--a;
--b;
for (unordered_set<string>::iterator it = results.begin(); it != results.end();) {
if ((*it)[a] == '1' && (*it)[b] == '0') {
state = (*it);
state[a] = '0';
state[b] = '1';
it2 = results.find(state);
if (it2 == results.end()) {
results.insert(state);
} else {
results.erase(it2);
}
it = results.erase(it);
} else {
++it;
}
}
/*cout << endl << endl;
for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) {
cout << (*it) << endl;
}
cout << endl;*/
}
for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) {
a = 0;
met1 = false;
met10 = false;
met101 = false;
for (unsigned i = 0; i < it->size(); ++i) {
if (met10 && (*it)[i] == '1') {
met101 = true;
break;
}
if ((*it)[i] == '1') {
++a;
met1 = true;
}
if (met1 && (*it)[i] == '0') {
met10 = true;
}
}
if (not met101) {
endResults[a - 1] = (endResults[a - 1] + 1) % 2;
}
}
for (int i = 0; i < n; ++i) {
cout << endResults[i] << " ";
}
cout << endl;
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | // PA 2024 4B - Desant 3 #include <iostream> #include <string> #include <vector> #include <algorithm> #include <stack> #include <unordered_set> using namespace std; void generateAllResults(unordered_set<string> *results, string state, unsigned k, bool containsOne) { if (k == state.size()) { if (containsOne) { results->insert(state); } return; } generateAllResults(results, state, k + 1, containsOne); state[k] = '1'; generateAllResults(results, state, k + 1, true); }; int main() { ios_base::sync_with_stdio(0); int n, m, a, b; bool met1, met10, met101; unordered_set<string> results; unordered_set<string>::iterator it2; string state; vector<int> endResults; cin >> n; cin >> m; state = ""; for (int i = 0; i < n; ++i) { endResults.push_back(0); state += '0'; } generateAllResults(&results, state, 0, false); for (int i = 0; i < m; ++i) { cin >> a; cin >> b; --a; --b; for (unordered_set<string>::iterator it = results.begin(); it != results.end();) { if ((*it)[a] == '1' && (*it)[b] == '0') { state = (*it); state[a] = '0'; state[b] = '1'; it2 = results.find(state); if (it2 == results.end()) { results.insert(state); } else { results.erase(it2); } it = results.erase(it); } else { ++it; } } /*cout << endl << endl; for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { cout << (*it) << endl; } cout << endl;*/ } for (unordered_set<string>::iterator it = results.begin(); it != results.end(); ++it) { a = 0; met1 = false; met10 = false; met101 = false; for (unsigned i = 0; i < it->size(); ++i) { if (met10 && (*it)[i] == '1') { met101 = true; break; } if ((*it)[i] == '1') { ++a; met1 = true; } if (met1 && (*it)[i] == '0') { met10 = true; } } if (not met101) { endResults[a - 1] = (endResults[a - 1] + 1) % 2; } } for (int i = 0; i < n; ++i) { cout << endResults[i] << " "; } cout << endl; return 0; } |
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