#ifndef tabr
#include "transfer.h"
#endif
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif
vector<int> get_attachment(vector<int> a) {
int n = (int) a.size();
vector<int> b;
for (int i = 0; i < n; i++) {
for (int j = 0; j < 3; j++) {
b.emplace_back(a[i]);
}
}
return b;
}
vector<int> retrieve(vector<int> a) {
int n = (int) a.size();
vector<int> b;
for (int i = 0; i < n; i += 3) {
b.emplace_back(0);
for (int j = 0; j < 3; j++) {
b.back() += a[j];
}
b.back() /= 2;
}
return b;
}
#ifdef tabr
mt19937 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());
int rand_int(int a, int b) { // [a, b]
return uniform_int_distribution<int>(a, b)(rng);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n = 7;
int tt = 1000;
while (tt--) {
vector<int> a(n);
for (int i = 0; i < n; i++) {
a[i] = rand_int(0, 1);
}
auto b = get_attachment(a);
int pos = rand_int(-1, (int) b.size() - 1);
if (pos >= 0) {
b[pos] ^= 1;
}
auto c = retrieve(b);
if (a == c) {
// cerr << "OK" << endl;
} else {
cerr << "NG" << endl;
debug(pos);
debug(a);
debug(b);
debug(c);
}
}
return 0;
}
#endif
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
3 ms |
748 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
3 ms |
1004 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |