oj.uz

답안 #937292

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
937292 2024-03-03T18:52:56 Z snpmrnhlol 커다란 상품 (IOI17_prize) C++17
90 / 100
 48 ms 2928 KB 
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int K = 500;
const int N = 2e5;
const int L = 5000;
const int mod = 998244353;
set <int> s;
int l2[N],r2[N];
int cnt = 0;
int mx = 0;
int qcount = 0;
int ans = -1;
int seed = 17;
int f(){
    return rng()%mod;
    seed = 1ll*seed*seed%mod;
    return seed;
}
vector<int> ask2(int x){
    if(l2[x] == 0 && r2[x] == 0){
        auto nr = ask(x);
        l2[x] = nr[0];
        r2[x] = nr[1];
    }
    return {l2[x],r2[x]};
}
void solve(int l,int r,int dl,int dr){
    if(dl + dr >= mx)return;
    if(l > r)return;
    int mij = rng()%(r - l + 1) + l;
    for(int i = mij;i <= r;i++){
        auto x = ask2(i);
        if(x[0] + x[1] == mx){
            x[0]-=dl;
            x[1]-=dr;
            solve(i + 1,r,x[0] + dl,dr);
            if(ans != -1)return;
            solve(l,mij - 1,dl,dr + x[1] + i - mij);
            return;
        }else{
            if(x[0] + x[1] == 0){
                ans = i;
                return;
            }
        }
    }
    solve(l,mij - 1,dl,dr);
    return;
}
int find_best(int n) {
    for(int i = 0;i < K;i++){
        int id = f()%n;
        //cout<<id<<'\n';
        auto x = ask2(id);
        int nr = x[0] + x[1];
        if(nr == 0)return id;
        if(nr > mx){
            mx = nr;
            cnt = 1;
        }else if(nr == mx){
            cnt++;
        }
    }
    solve(0,n - 1,0,0);
	return ans;
}
/**
8
3 3 3 3 2 2 2 1
**/

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1764 KB Output is correct
2 Correct 3 ms 2144 KB Output is correct
3 Correct 4 ms 2020 KB Output is correct
4 Correct 3 ms 2036 KB Output is correct
5 Correct 3 ms 2008 KB Output is correct
6 Correct 4 ms 1980 KB Output is correct
7 Correct 3 ms 2052 KB Output is correct
8 Correct 3 ms 1872 KB Output is correct
9 Correct 3 ms 1892 KB Output is correct
10 Correct 3 ms 1848 KB Output is correct

Subtask #2
70.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1864 KB Output is correct
2 Correct 3 ms 1876 KB Output is correct
3 Correct 3 ms 2104 KB Output is correct
4 Correct 4 ms 2224 KB Output is correct
5 Correct 3 ms 1832 KB Output is correct
6 Correct 4 ms 2536 KB Output is correct
7 Correct 3 ms 2160 KB Output is correct
8 Correct 3 ms 2064 KB Output is correct
9 Correct 3 ms 1884 KB Output is correct
10 Correct 3 ms 1748 KB Output is correct
11 Correct 4 ms 2012 KB Output is correct
12 Correct 8 ms 2280 KB Output is correct
13 Correct 4 ms 2048 KB Output is correct
14 Correct 5 ms 456 KB Output is correct
15 Partially correct 20 ms 2444 KB Partially correct - number of queries: 5107
16 Correct 9 ms 2480 KB Output is correct
17 Partially correct 48 ms 2036 KB Partially correct - number of queries: 6071
18 Correct 3 ms 2288 KB Output is correct
19 Partially correct 33 ms 2232 KB Partially correct - number of queries: 5827
20 Correct 13 ms 1536 KB Output is correct
21 Correct 24 ms 2444 KB Output is correct
22 Correct 26 ms 2692 KB Output is correct
23 Correct 4 ms 2064 KB Output is correct
24 Correct 5 ms 1952 KB Output is correct
25 Correct 11 ms 2440 KB Output is correct
26 Correct 14 ms 2248 KB Output is correct
27 Correct 4 ms 2476 KB Output is correct
28 Correct 6 ms 2252 KB Output is correct
29 Correct 6 ms 2072 KB Output is correct
30 Correct 3 ms 2092 KB Output is correct
31 Partially correct 31 ms 2528 KB Partially correct - number of queries: 6133
32 Correct 4 ms 2400 KB Output is correct
33 Correct 0 ms 452 KB Output is correct
34 Correct 24 ms 2500 KB Output is correct
35 Correct 4 ms 2384 KB Output is correct
36 Correct 25 ms 2852 KB Output is correct
37 Correct 5 ms 2524 KB Output is correct
38 Correct 3 ms 2368 KB Output is correct
39 Correct 17 ms 2928 KB Output is correct
40 Correct 3 ms 1824 KB Output is correct
41 Correct 13 ms 2404 KB Output is correct
42 Correct 19 ms 2388 KB Output is correct
43 Correct 16 ms 2384 KB Output is correct
44 Correct 18 ms 2160 KB Output is correct
45 Correct 16 ms 2872 KB Output is correct
46 Partially correct 29 ms 2232 KB Partially correct - number of queries: 6249
47 Correct 15 ms 2408 KB Output is correct
48 Correct 10 ms 2180 KB Output is correct
49 Partially correct 24 ms 2452 KB Partially correct - number of queries: 5773
50 Correct 3 ms 1876 KB Output is correct
51 Correct 19 ms 2648 KB Output is correct
52 Partially correct 24 ms 2448 KB Partially correct - number of queries: 6067
53 Correct 3 ms 2344 KB Output is correct
54 Correct 15 ms 2188 KB Output is correct
55 Partially correct 34 ms 2224 KB Partially correct - number of queries: 6064
56 Correct 3 ms 2044 KB Output is correct
57 Correct 14 ms 2488 KB Output is correct
58 Correct 11 ms 2188 KB Output is correct
59 Correct 16 ms 2340 KB Output is correct
60 Correct 13 ms 2144 KB Output is correct
61 Correct 3 ms 2512 KB Output is correct
62 Correct 4 ms 1872 KB Output is correct
63 Correct 4 ms 2496 KB Output is correct
64 Correct 3 ms 2112 KB Output is correct
65 Correct 4 ms 2432 KB Output is correct
66 Correct 4 ms 1820 KB Output is correct
67 Correct 4 ms 2052 KB Output is correct
68 Correct 3 ms 2112 KB Output is correct
69 Correct 5 ms 1832 KB Output is correct
70 Correct 4 ms 1892 KB Output is correct
71 Partially correct 38 ms 2452 KB Partially correct - number of queries: 8797
72 Correct 7 ms 2452 KB Output is correct
73 Partially correct 43 ms 2236 KB Partially correct - number of queries: 8698
74 Partially correct 45 ms 2604 KB Partially correct - number of queries: 8755
75 Correct 4 ms 2280 KB Output is correct
76 Partially correct 36 ms 2212 KB Partially correct - number of queries: 7821
77 Partially correct 40 ms 2680 KB Partially correct - number of queries: 7750
78 Correct 7 ms 2500 KB Output is correct
79 Correct 25 ms 2660 KB Output is correct
80 Partially correct 44 ms 2320 KB Partially correct - number of queries: 7805
81 Partially correct 39 ms 2392 KB Partially correct - number of queries: 7700
82 Partially correct 43 ms 2780 KB Partially correct - number of queries: 7802
83 Correct 4 ms 2248 KB Output is correct
84 Partially correct 26 ms 2780 KB Partially correct - number of queries: 6652
85 Partially correct 38 ms 2776 KB Partially correct - number of queries: 7803
86 Correct 27 ms 2868 KB Output is correct
87 Correct 3 ms 1988 KB Output is correct
88 Correct 12 ms 2276 KB Output is correct
89 Correct 12 ms 2116 KB Output is correct
90 Correct 3 ms 1728 KB Output is correct
91 Correct 5 ms 2496 KB Output is correct
92 Correct 7 ms 2240 KB Output is correct
93 Partially correct 24 ms 2592 KB Partially correct - number of queries: 5218
94 Correct 31 ms 2824 KB Output is correct
95 Partially correct 27 ms 2668 KB Partially correct - number of queries: 5136
96 Partially correct 20 ms 2696 KB Partially correct - number of queries: 5146
97 Correct 4 ms 1848 KB Output is correct