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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#489899#8819. CNOI Knowledge_log_WA 1ms3624kbC++141.5kb2024-07-25 08:22:032024-07-25 08:22:03

Judging History

你现在查看的是最新测评结果

  • [2024-07-25 08:22:03]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3624kb
  • [2024-07-25 08:22:03]
  • 提交

answer

# include <bits/stdc++.h>
# define maxn 1005
# define ull unsigned long long
# define rep(i, j, k) for(int i = j; i <= k; ++i)
using namespace std;

int n, tot;
int a[maxn], ans[maxn][maxn];
int d[maxn];
ull has[maxn], pw[maxn];
map<ull, int> mp;

inline int query(int l, int r) {
    if(ans[l][r]) return ans[l][r];
    cout << "? " << l << ' ' << r << endl;
    cin >> ans[l][r]; return ans[l][r];
}

void update(int r) {
    memset(d, 0, sizeof(d));
    rep(i, 1, r) {
        ull hsh = has[r] - has[i - 1] * pw[r - i + 1], len = r - i + 1;
        if(!mp.count(hsh)) d[1]++;
        else d[mp[hsh] - len + 2]++;
        d[i + 1]--; mp[hsh] = r;
    }
    rep(i, 1, r) d[i] += d[i - 1];
    rep(l, 1, r) ans[l][r] = ans[l][r - 1] + d[l];
}

signed main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n; a[1] = ++tot; ans[1][1] = 1;
    pw[0] = 1; rep(i, 1, n) pw[i] = pw[i - 1] * 19260817;
    rep(i, 2, n) {
        int now = query(1, n);
        if(now - ans[1][i - 1] == i) a[i] = ++tot;
        else {
            int l = 1, r = i, pos, mid;
            while(l <= r) {
                mid = l + r >> 1;
                if(query(mid, i) - ans[mid][i - 1] == i - mid + 1) pos = mid - 1, r = mid - 1;
                else l = mid + 1;
            }
            a[i] = a[pos];
        }
        has[i] = has[i - 1] * 19260817 + a[i]; update(i);
    }
    cout << "! ";
    rep(i, 1, n) cout << a[i] << ' ';
    cout << '\n';
    return 0;
}

详细

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3624kb

input:

12
72
3
3
1
6
3
1
6
3
1
10
3
1
10
3
1
14
6
3
1
14
6
3
1
19
5
2
19
5
3
1
25
9
3
1

output:

? 1 12
? 1 2
? 2 3
? 3 3
? 2 4
? 3 4
? 4 4
? 3 5
? 4 5
? 5 5
? 3 6
? 5 6
? 6 6
? 4 7
? 6 7
? 7 7
? 4 8
? 6 8
? 7 8
? 8 8
? 5 9
? 7 9
? 8 9
? 9 9
? 5 10
? 8 10
? 9 10
? 6 11
? 9 11
? 10 11
? 11 11
? 6 12
? 9 12
? 11 12
? 12 12
! 1 0 0 0 0 0 0 0 0 0 0 0 

result:

wrong answer Integer 0 violates the range [1, 10^9]