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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#135678#6303. InversionSwarthmore#WA 85ms3548kbC++173.4kb2023-08-05 21:29:012023-08-05 21:29:03

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-08-05 21:29:03]
  • 评测
  • 测评结果:WA
  • 用时:85ms
  • 内存:3548kb
  • [2023-08-05 21:29:01]
  • 提交

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.