//Sylwia Sapkowska
#include <bits/stdc++.h>
using namespace std;
void __print(int x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
#define int long long
const int oo = 1e18, oo2 = 1e9+7, K = 20;
const int mod = 998244353;
void rec(vector<int>a, vector<int>b, int bit){
assert(a.size() == b.size());
int n = (int)a.size();
if (bit < 0){
for (int i = 0; i<n; i++){
cout << a[i] << " " << b[i] << "\n";
}
return;
}
vector<vector<int>>A(2), B(2);
for (auto v: a) A[(bool)(v&(1<<bit))].emplace_back(v);
for (auto v: b) B[(bool)(v&(1<<bit))].emplace_back(v);
// debug(A, B);
int diff = A[0].size()-B[0].size();
assert(diff >= 0);
rotate(A[0].begin(), A[0].begin()+diff, A[0].end());
vector<int>mv;
for (int i = 0; i<diff; i++){
mv.emplace_back(A[0].back());
A[0].pop_back();
}
reverse(mv.begin(), mv.end());
for (auto x: A[1]) mv.emplace_back(x);
A[1] = mv;
// debug(A, B);
rec(A[0], B[0], bit-1);
rec(A[1], B[1], bit-1);
}
void solve(){
int n, m; cin >> n >> m;
vector<int>a, b;
for (int i = 0; i<n; i++){
a.emplace_back(i);
b.emplace_back(m+i);
}
rec(a, b, K);
}
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
solve();
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
146 ms |
384 KB |
Output is correct |
| 2 |
Correct |
143 ms |
348 KB |
Output is correct |
| 3 |
Correct |
142 ms |
324 KB |
Output is correct |
| 4 |
Correct |
359 ms |
56052 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
150 ms |
1748 KB |
Output is correct |
| 2 |
Correct |
162 ms |
420 KB |
Output is correct |
| 3 |
Correct |
151 ms |
420 KB |
Output is correct |
| 4 |
Correct |
144 ms |
212 KB |
Output is correct |
| 5 |
Correct |
141 ms |
576 KB |
Output is correct |
| 6 |
Correct |
359 ms |
55176 KB |
Output is correct |
| 7 |
Correct |
249 ms |
33416 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
151 ms |
332 KB |
Output is correct |
| 2 |
Correct |
148 ms |
432 KB |
Output is correct |
| 3 |
Correct |
144 ms |
340 KB |
Output is correct |
| 4 |
Correct |
145 ms |
500 KB |
Output is correct |
| 5 |
Correct |
144 ms |
340 KB |
Output is correct |
| 6 |
Correct |
146 ms |
552 KB |
Output is correct |
| 7 |
Correct |
167 ms |
552 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
146 ms |
384 KB |
Output is correct |
| 2 |
Correct |
143 ms |
348 KB |
Output is correct |
| 3 |
Correct |
142 ms |
324 KB |
Output is correct |
| 4 |
Correct |
359 ms |
56052 KB |
Output is correct |
| 5 |
Correct |
150 ms |
1748 KB |
Output is correct |
| 6 |
Correct |
162 ms |
420 KB |
Output is correct |
| 7 |
Correct |
151 ms |
420 KB |
Output is correct |
| 8 |
Correct |
144 ms |
212 KB |
Output is correct |
| 9 |
Correct |
141 ms |
576 KB |
Output is correct |
| 10 |
Correct |
359 ms |
55176 KB |
Output is correct |
| 11 |
Correct |
249 ms |
33416 KB |
Output is correct |
| 12 |
Correct |
151 ms |
332 KB |
Output is correct |
| 13 |
Correct |
148 ms |
432 KB |
Output is correct |
| 14 |
Correct |
144 ms |
340 KB |
Output is correct |
| 15 |
Correct |
145 ms |
500 KB |
Output is correct |
| 16 |
Correct |
144 ms |
340 KB |
Output is correct |
| 17 |
Correct |
146 ms |
552 KB |
Output is correct |
| 18 |
Correct |
167 ms |
552 KB |
Output is correct |
| 19 |
Correct |
190 ms |
15828 KB |
Output is correct |
| 20 |
Correct |
309 ms |
43584 KB |
Output is correct |
| 21 |
Correct |
149 ms |
3028 KB |
Output is correct |
| 22 |
Correct |
149 ms |
1620 KB |
Output is correct |
| 23 |
Correct |
375 ms |
53912 KB |
Output is correct |
| 24 |
Correct |
556 ms |
86044 KB |
Output is correct |
| 25 |
Correct |
550 ms |
85232 KB |
Output is correct |
