結果
問題 | No.850 企業コンテスト2位 |
ユーザー | Sumitacchan |
提出日時 | 2019-07-05 23:44:56 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 2,892 bytes |
コンパイル時間 | 1,674 ms |
コンパイル使用メモリ | 171,776 KB |
実行使用メモリ | 25,604 KB |
平均クエリ数 | 206.46 |
最終ジャッジ日時 | 2024-07-16 17:38:41 |
合計ジャッジ時間 | 5,912 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 27 ms
24,836 KB |
testcase_01 | AC | 24 ms
25,220 KB |
testcase_02 | AC | 24 ms
24,580 KB |
testcase_03 | AC | 28 ms
25,220 KB |
testcase_04 | AC | 27 ms
25,220 KB |
testcase_05 | AC | 25 ms
25,220 KB |
testcase_06 | AC | 24 ms
24,964 KB |
testcase_07 | AC | 27 ms
24,836 KB |
testcase_08 | AC | 30 ms
24,836 KB |
testcase_09 | AC | 29 ms
25,064 KB |
testcase_10 | AC | 33 ms
24,580 KB |
testcase_11 | AC | 32 ms
25,220 KB |
testcase_12 | AC | 33 ms
24,580 KB |
testcase_13 | AC | 32 ms
24,580 KB |
testcase_14 | AC | 31 ms
24,964 KB |
testcase_15 | AC | 32 ms
24,964 KB |
testcase_16 | AC | 32 ms
25,220 KB |
testcase_17 | AC | 33 ms
24,836 KB |
testcase_18 | AC | 31 ms
24,580 KB |
testcase_19 | AC | 31 ms
25,220 KB |
testcase_20 | AC | 31 ms
25,220 KB |
testcase_21 | AC | 32 ms
25,472 KB |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | AC | 25 ms
25,196 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define Max(a, b) a = max(a, b) #define Min(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define bit_exist(x, n) ((x >> n) & 1) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) cout << #v << "=" << endl; REP(i_debug, v.size()){ cout << v[i_debug] << ","; } cout << endl; #define mdebug(m) cout << #m << "=" << endl; REP(i_debug, m.size()){ REP(j_debug, m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} #define pb push_back #define f first #define s second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < v.size(); i++) { cout << v[i]; if(i != v.size() - 1) cout << endl; }; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void Ans(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using PiP = pair<int, Pii>; using PPi = pair<Pii, int>; using bools = vector<bool>; using pairs = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; const int mod = 1000000007; //const int mod = 998244353; #define Add(x, y) x = (x + (y)) % mod #define Mult(x, y) x = (x * (y)) % mod signed main(){ int N; cin >> N; vec cand(N); REP(i, N) cand[i] = i + 1; mt19937 mt(114514); REP(i, 100000){ int i1 = mt() % N, i2 = mt() % N; if(i1 != i2) swap(cand[i1], cand[i2]); } cout << "? " << cand[0] << " " << cand[1] << endl; int ans; cin >> ans; int f = cand[0], s = cand[1]; if(ans == cand[1]) swap(f, s); int cnt = 1; FOR(i, 2, N){ cnt++; assert(cnt <= 334); cout << "? " << s << " " << cand[i] << endl; cin >> ans; if(ans == s) continue; cnt++; assert(cnt <= 334); cout << "? " << f << " " << cand[i] << endl; cin >> ans; if(ans == f){ s = cand[i]; }else{ s = f; f = cand[i]; } } cout << "! " << s << endl; return 0; }