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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#279271 | #1834. Eulerian? | rageOfThunder# | WA | 0ms | 3448kb | C++14 | 1.5kb | 2023-12-08 14:57:32 | 2023-12-08 14:57:32 |
Judging History
answer
// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "[" << __LINE__ << "] "
#define SZ(x) (int) x.size() - 1
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> inline void chkmax(T& x, T y) {x = max(x, y);}
template <typename T> inline void chkmin(T& x, T y) {x = min(x, y);}
template <typename T> inline void read(T &x) {
x = 0; int f = 1; char c = getchar();
for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
x *= f;
}
mt19937 mrand(chrono::steady_clock::now().time_since_epoch().count());
inline int rnd(int l, int r) {return mrand() % (r - l + 1) + l;}
const int N = 1e4 + 10;
bool vis[N];
signed main() {
int n; read(n);
cout << "? ";
F(i, 1, n) cout << i << ' '; cout << endl;
int tot;
cin >> tot;
F(i, 1, 29) {
vector <int> t;
int s1 = 0;
F(i, 1, n) s1 += vis[i] = rnd(0, 1);
cout << "? " << n - s1 << ' ';
F(i, 1, n)
if (!vis[i]) cout << i << ' ';
cout << endl;
int ans1; cin >> ans1;
cout << "? " << s1 << ' ';
F(i, 1, n)
if (vis[i]) cout << i << ' ';
cout << endl;
int ans2; cin >> ans2;
if ((tot - ans1 - ans2) & 1) {
cout << "! NO" << endl;
return 0;
}
}
cout << "! YES" << endl;
return 0;
}
/* why?
*/
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3448kb
input:
3 0 -1
output:
? 1 2 3 ? 2 2 3 ? 1 1
result:
wrong output format Unexpected end of file - token expected