結果
| 問題 | No.3525 擬奇平方数 |
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-05-01 11:15:54 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 3,902 bytes |
| 記録 | |
| コンパイル時間 | 3,960 ms |
| コンパイル使用メモリ | 280,128 KB |
| 実行使用メモリ | 30,320 KB |
| 平均クエリ数 | 42.00 |
| 最終ジャッジ日時 | 2026-05-01 21:03:30 |
| 合計ジャッジ時間 | 28,276 ms |
|
ジャッジサーバーID (参考情報) |
judge2_1 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | RE * 60 |
コンパイルメッセージ
main.cpp: In lambda function:
main.cpp:112:9: warning: control reaches end of non-void function [-Wreturn-type]
112 | };
| ^
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<int, int> P;
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template <int m> istream& operator>>(istream& is, static_modint<m>& a) {long long x; is >> x; a = x; return is;}
template <int m> istream& operator>>(istream& is, dynamic_modint<m>& a) {long long x; is >> x; a = x; return is;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
const int M = 21;
int main(){
int len = 1;
auto plus = [&](int i, int j){
cout << "? " << i << " + " << j << "\n";
char c;
cin >> c;
if(c == '+') len++;
return c;
};
auto minus = [&](int i, int j){
cout << "? " << i << " - " << j << "\n";
char c;
cin >> c;
if(c == '+') len++;
return c;
};
auto multiply = [&](int i, int j){
cout << "? " << i << " * " << j << "\n";
char c;
cin >> c;
if(c == '+') len++;
return c;
};
auto root = [&](int i, int j){
cout << "? " << i << " r " << j << "\n";
char c;
cin >> c;
if(c == '+') len++;
return c;
};
{
root(1, 1);
}
map<long long, int> memo;
memo[1] = 2;
for(int i = 0; i < (M - 1); i++){
plus(i + 2, i + 2);
memo[1 << (i + 1)] = i + 3;
}
{
root(1, 1);
}
for(int i = 0; i < (M - 1); i++){
plus((M + 2), i + (M + 2));
memo[i + 2] = i + (M + 3);
}
flush(cout);
// n < 2 ^ k
auto assume = [&](auto self, int idx, int k) -> int{
for(int i = k - 1; i > 0; i--){
root(memo[i], idx);
int idx_r = len;
auto c = minus(idx_r, memo[1]);
if(c == '0'){
// n < 2 ^ i
continue;
}else{
// 2 ^ i <= n < 2 ^ (i + 1)
assert(c == '+');
auto d = minus(idx, memo[1 << i]);
if(d == '0') return 1 << i;
int idx_new = len;
return self(self, idx_new, i) + (1 << i);
}
}
return -1001001001;
};
int n = assume(assume, 1, M);
// cout << n << "\n";
auto is_pseudo = [&](int n){
long double SMALL = 0.0000001;
long double r2 = pow(n, 0.5);
long double r3 = pow(n, (long double)1/ 3);
for(int d = 1; d <= n; d++){
if(n % d == 0){
if(r2 - r3 - SMALL <= d and d <= r2 + r3 + SMALL){
cout << "! Yes\n";
return 0;
}
}
}
};
if(is_pseudo(n)) cout << "! Yes\n";
else cout << "! No\n";
return 0;
}