#include <bits/stdc++.h>
using namespace std;
int Secret(int x, int y);
void Init(int n, int arr[]);
int Query(int le, int ri);
/*
int Secret(int x, int y) {
return x xor y xor 13; }
*/
map<pair<int, int>, int> mmp;
int secret(int x, int y) {
if (mmp.find(make_pair(x, y)) == mmp.end()) {
mmp[make_pair(x, y)] = Secret(x, y); }
return mmp[make_pair(x, y)]; }
const int DIM = 1005;
vector<int> lef[DIM * 4], rig[DIM * 4];
void build(int nd, int le, int ri, int arr[]) {
if (le != ri) {
int md = (le + ri) / 2;
build(nd * 2, le, md, arr);
build(nd * 2 + 1, md + 1, ri, arr); }
lef[nd].resize(ri - le + 1); lef[nd][0] = arr[le];
rig[nd].resize(ri - le + 1); rig[nd][ri - le] = arr[ri];
if (le != ri and nd != 1) {
int md = (le + ri) / 2;
for (int i = 1; i <= ri - le; ++i) {
if (i <= md - le) {
lef[nd][i] = lef[nd * 2][i]; }
else {
lef[nd][i] = secret(lef[nd][i - 1], arr[le + i]); } }
for (int i = ri - le - 1; i >= 0; --i) {
if (i > md - le) {
rig[nd][i] = rig[nd * 2 + 1][i - (md - le) - 1]; }
else {
rig[nd][i] = secret(arr[le + i], rig[nd][i + 1]); } } } }
int query(int nd, int le, int ri, int st, int en) {
if (le == ri) {
return lef[nd][0]; }
else {
int md = (le + ri) / 2;
if (en <= md) {
return query(nd * 2, le, md, st, en); }
if (md < st) {
return query(nd * 2 + 1, md + 1, ri, st, en); }
return secret(rig[nd * 2][st - le], lef[nd * 2 + 1][en - (md + 1)]); } }
int _n;
void Init(int n, int arr[]) {
build(1, 0, n - 1, arr); _n = n; }
int Query(int le, int ri) {
return query(1, 0, _n - 1, le, ri); }
/*
int arr[10];
int main(void) {
#ifdef HOME
freopen("secret.in", "r", stdin);
freopen("secret.out", "w", stdout);
#endif
int n; cin >> n;
for (int i = 0; i < n; ++i) {
cin >> arr[i]; }
Init(n, arr);
int m; cin >> m;
while (m--) {
int le, ri; cin >> le >> ri;
int val = arr[le];
for (int i = le + 1; i <= ri; ++i) {
val = Secret(val, arr[i]); }
cout << Query(le, ri) << " " << val << "\n"; }
return 0; }
*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
192 ms |
3588 KB |
Output is correct - number of calls to Secret by Init = 3832, maximum number of calls to Secret by Query = 1 |
| 2 |
Correct |
187 ms |
3588 KB |
Output is correct - number of calls to Secret by Init = 3840, maximum number of calls to Secret by Query = 1 |
| 3 |
Correct |
179 ms |
3700 KB |
Output is correct - number of calls to Secret by Init = 3850, maximum number of calls to Secret by Query = 1 |
| 4 |
Incorrect |
693 ms |
5980 KB |
Output isn't correct - number of calls to Secret by Init = 8479, maximum number of calls to Secret by Query = 1 |
| 5 |
Incorrect |
631 ms |
5996 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
| 6 |
Incorrect |
601 ms |
5996 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
| 7 |
Incorrect |
631 ms |
6164 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
| 8 |
Incorrect |
622 ms |
6164 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
| 9 |
Incorrect |
633 ms |
6184 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
| 10 |
Incorrect |
610 ms |
6184 KB |
Output isn't correct - number of calls to Secret by Init = 8488, maximum number of calls to Secret by Query = 1 |
