QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#135678 | #6303. Inversion | Swarthmore# | WA | 85ms | 3548kb | C++17 | 3.4kb | 2023-08-05 21:29:01 | 2023-08-05 21:29:03 |
Judging History
answer
#include "bits/stdc++.h"
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;
typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;
template<class T> using pq = priority_queue<T>;
template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)
#define trav(a,x) for (auto& a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define ins insert
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double 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...);}
#ifdef DEBUG
#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define dbg(x...)
#endif
const int MOD = 1000000007;
const char nl = '\n';
const int MX = 100001;
int query(int L, int R) {
cout << "? " << L+1 << " " << R+1 << endl;
int ans; cin >> ans; return ans;
}
void solve() {
int N; cin >> N;
int pos[N];
pos[0] = 0;
FOR(i, 1, N) {
int lo = 0, hi = i;
while (lo < hi) {
int mid = (lo+hi)/2;
if (query(pos[mid], i) != query(pos[mid]+1, i)) {
hi = mid;
} else {
lo = mid+1;
}
}
FORd(j, lo+1, i+1) {
pos[j] = pos[j-1];
}
pos[lo] = i;
}
int ans[N]; F0R(i, N) ans[pos[i]] = i+1;
cout << "! ";
F0R(i, N) {
cout << ans[i] << " ";
}
cout << endl;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int T = 1;
// cin >> T;
while(T--) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3548kb
input:
3 0 0 1 0 0 1
output:
? 1 2 ? 2 2 ? 2 3 ? 3 3 ? 1 3 ? 2 3 ! 2 3 1
result:
ok OK, guesses=6
Test #2:
score: -100
Wrong Answer
time: 85ms
memory: 3508kb
input:
1993 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 0 1 0 1 1 0 0 1 0 0 1 1 0 1 1 0 0 1 1 1 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 1 1 1 0 1 1 1 1 1 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 0 0 1 0 1 0 0 0 0 0 1 1 0 1 0 1 1 0 0 1 0 0 0 0 1 0 1 1 0 0 1 0 1 0 1 0...
output:
? 1 2 ? 2 2 ? 2 3 ? 3 3 ? 2 4 ? 3 4 ? 3 4 ? 4 4 ? 3 5 ? 4 5 ? 2 5 ? 3 5 ? 1 5 ? 2 5 ? 2 6 ? 3 6 ? 4 6 ? 5 6 ? 3 7 ? 4 7 ? 1 7 ? 2 7 ? 5 7 ? 6 7 ? 2 8 ? 3 8 ? 5 8 ? 6 8 ? 7 8 ? 8 8 ? 2 9 ? 3 9 ? 4 9 ? 5 9 ? 3 9 ? 4 9 ? 2 10 ? 3 10 ? 5 10 ? 6 10 ? 1 10 ? 2 10 ? 2 11 ? 3 11 ? 4 11 ? 5 11 ? 3 11 ? 4 11 ...
result:
wrong answer Wa.