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답안 #945114

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
945114 2024-03-13T12:23:58 Z Wansur 커다란 상품 (IOI17_prize) C++14
100 / 100
 36 ms 8004 KB 
#include <bits/stdc++.h>
#define f first
#define s second
#define ent '\n'

typedef long long ll;
using namespace std;

struct asd{
    int a, b, w, ca, cb;
};

vector<int> ask(int i);
const string out[2]={"NO\n","YES\n"};
const ll dx[]={0,1,0,-1,-1,1,1,-1};
const ll dy[]={1,0,-1,0,-1,1,-1,1};
const int mod=998244353;
const int md=1e9+7;
const int mx=3e5+12;
const bool T=0;

vector<int> ans[mx];
int ma;

vector<int> Ask(int i){
    if(ans[i].size()>0){
        return ans[i];
    }
    ans[i]=ask(i);
    return ans[i];
}

int find(int l,int r,int x,int left,int right){
    if(!x || l>r)return -1;
    int mid=l+r>>1, cnt=0;
    for(int i=mid;i<=r;i++){
        auto a=ask(i);
        if(a[0]+a[1]<ma){
            if(a[0]+a[1]==0){
                return i;
            }
            cnt++;
        }
        else{
            int val=find(i+1, r, a[1] - right, a[0], right);
            if(val!=-1){
                return val;
            }
            return find(l, mid-1, a[0] - left - cnt, left, a[1] + cnt);
        }
    }
    return find(l, mid-1, x-cnt, left, right - cnt);
}

int find_best(int n){
    int pos=0, c=0;
    for(int i=0;i<478;i++){
        auto a=Ask(n-i-1);
        if(a[0]+a[1]==0){
            return n-i-1;
        }
        if(a[0]+a[1]>ma){
            ma=a[0]+a[1];
        }
        pos=i;
        if(ma>sqrt(sqrt(n))+1)break;
    }
    for(int i=0;i<=pos;i++){
        auto a=Ask(n-i-1);
        if(a[0]+a[1]!=ma){
            c++;
        }
    }
    return find(0, n-pos-2, ma - c, 0, c);
}

Compilation message

prize.cpp: In function 'int find(int, int, int, int, int)':
prize.cpp:35:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |     int mid=l+r>>1, cnt=0;
      |             ~^~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7492 KB Output is correct
2 Correct 4 ms 8000 KB Output is correct
3 Correct 6 ms 7740 KB Output is correct
4 Correct 2 ms 7256 KB Output is correct
5 Correct 4 ms 7744 KB Output is correct
6 Correct 5 ms 7512 KB Output is correct
7 Correct 5 ms 7744 KB Output is correct
8 Correct 5 ms 7736 KB Output is correct
9 Correct 4 ms 7740 KB Output is correct
10 Correct 5 ms 7744 KB Output is correct

Subtask #2
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 8004 KB Output is correct
2 Correct 5 ms 7744 KB Output is correct
3 Correct 4 ms 7740 KB Output is correct
4 Correct 2 ms 7508 KB Output is correct
5 Correct 4 ms 7740 KB Output is correct
6 Correct 4 ms 7748 KB Output is correct
7 Correct 5 ms 7492 KB Output is correct
8 Correct 5 ms 7764 KB Output is correct
9 Correct 4 ms 7740 KB Output is correct
10 Correct 4 ms 7692 KB Output is correct
11 Correct 3 ms 7256 KB Output is correct
12 Correct 3 ms 7256 KB Output is correct
13 Correct 2 ms 7256 KB Output is correct
14 Correct 6 ms 7256 KB Output is correct
15 Correct 25 ms 7256 KB Output is correct
16 Correct 5 ms 7256 KB Output is correct
17 Correct 24 ms 7256 KB Output is correct
18 Correct 2 ms 7256 KB Output is correct
19 Correct 19 ms 7256 KB Output is correct
20 Correct 14 ms 7256 KB Output is correct
21 Correct 17 ms 7256 KB Output is correct
22 Correct 12 ms 7256 KB Output is correct
23 Correct 6 ms 7732 KB Output is correct
24 Correct 4 ms 7256 KB Output is correct
25 Correct 11 ms 7256 KB Output is correct
26 Correct 14 ms 7256 KB Output is correct
27 Correct 4 ms 7748 KB Output is correct
28 Correct 3 ms 7256 KB Output is correct
29 Correct 3 ms 7424 KB Output is correct
30 Correct 2 ms 7256 KB Output is correct
31 Correct 22 ms 7256 KB Output is correct
32 Correct 3 ms 7256 KB Output is correct
33 Correct 3 ms 7256 KB Output is correct
34 Correct 18 ms 7256 KB Output is correct
35 Correct 4 ms 7996 KB Output is correct
36 Correct 17 ms 7256 KB Output is correct
37 Correct 3 ms 7256 KB Output is correct
38 Correct 4 ms 7736 KB Output is correct
39 Correct 15 ms 7256 KB Output is correct
40 Correct 2 ms 7464 KB Output is correct
41 Correct 9 ms 7256 KB Output is correct
42 Correct 10 ms 7256 KB Output is correct
43 Correct 11 ms 7256 KB Output is correct
44 Correct 14 ms 7476 KB Output is correct
45 Correct 15 ms 7256 KB Output is correct
46 Correct 22 ms 7256 KB Output is correct
47 Correct 17 ms 7256 KB Output is correct
48 Correct 7 ms 7256 KB Output is correct
49 Correct 16 ms 7256 KB Output is correct
50 Correct 3 ms 7256 KB Output is correct
51 Correct 17 ms 7256 KB Output is correct
52 Correct 26 ms 7256 KB Output is correct
53 Correct 5 ms 7740 KB Output is correct
54 Correct 15 ms 7256 KB Output is correct
55 Correct 31 ms 7256 KB Output is correct
56 Correct 2 ms 7256 KB Output is correct
57 Correct 8 ms 7256 KB Output is correct
58 Correct 6 ms 7256 KB Output is correct
59 Correct 14 ms 7256 KB Output is correct
60 Correct 11 ms 7252 KB Output is correct
61 Correct 4 ms 7996 KB Output is correct
62 Correct 4 ms 7492 KB Output is correct
63 Correct 4 ms 7740 KB Output is correct
64 Correct 4 ms 7740 KB Output is correct
65 Correct 2 ms 7256 KB Output is correct
66 Correct 2 ms 7256 KB Output is correct
67 Correct 5 ms 7740 KB Output is correct
68 Correct 2 ms 7256 KB Output is correct
69 Correct 2 ms 7256 KB Output is correct
70 Correct 3 ms 7484 KB Output is correct
71 Correct 34 ms 7256 KB Output is correct
72 Correct 4 ms 7256 KB Output is correct
73 Correct 23 ms 7256 KB Output is correct
74 Correct 19 ms 7256 KB Output is correct
75 Correct 5 ms 7492 KB Output is correct
76 Correct 36 ms 7252 KB Output is correct
77 Correct 26 ms 7256 KB Output is correct
78 Correct 3 ms 7256 KB Output is correct
79 Correct 10 ms 7256 KB Output is correct
80 Correct 23 ms 7256 KB Output is correct
81 Correct 27 ms 7256 KB Output is correct
82 Correct 23 ms 7256 KB Output is correct
83 Correct 4 ms 7748 KB Output is correct
84 Correct 16 ms 7256 KB Output is correct
85 Correct 21 ms 7256 KB Output is correct
86 Correct 4 ms 7256 KB Output is correct
87 Correct 3 ms 7256 KB Output is correct
88 Correct 4 ms 7736 KB Output is correct
89 Correct 4 ms 7988 KB Output is correct
90 Correct 4 ms 7992 KB Output is correct
91 Correct 3 ms 7744 KB Output is correct
92 Correct 3 ms 7736 KB Output is correct
93 Correct 4 ms 7256 KB Output is correct
94 Correct 3 ms 7256 KB Output is correct
95 Correct 3 ms 7256 KB Output is correct
96 Correct 4 ms 7744 KB Output is correct
97 Correct 5 ms 7492 KB Output is correct