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답안 #757214

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
757214 2023-06-12T19:14:43 Z alexander707070 커다란 상품 (IOI17_prize) C++14
20 / 100
 54 ms 336 KB 
#include<bits/stdc++.h>
#include "prize.h"
#define MAXN 200007
using namespace std;
 
int nn,r,res;
vector<int> w;

int solve(int l,int r,int reml,int remr){
    if(l>r)return 0;

    int mid=(l+r)/2,p;
    vector<int> curr;

    while(mid<=r){
        curr=ask(mid);
        if(curr[0]+curr[1]==res)break;
        if(curr[0]+curr[1]==0)return mid;
        mid++;
    }

    if(mid==r+1){
        mid=(l+r)/2-1;

        while(mid>=l){
            curr=ask(mid);
            if(curr[0]+curr[1]==res)break;
            if(curr[0]+curr[1]==0)return mid;
            mid--;
        }

        if(mid==l-1)return 0;

        curr[0]-=reml;
        if(curr[0]>0){
            return solve(l,mid-1,reml,remr+(r-mid));
        }

        return 0;
    }else{
        curr[0]-=reml-(mid-(l+r)/2);
        curr[1]-=remr;

        if(curr[0]>0){
            p=solve(l,(l+r)/2-1,reml,remr+curr[1]+(mid-(l+r)/2));
            if(p!=0)return p;
        }
        if(curr[1]>0){
            p=solve(mid+1,r,reml+curr[0]+(mid-(l+r)/2),remr);
            if(p!=0)return p;
        }

        return 0;
    }

    return 0;
}

int find_best(int N){
    nn=N;
    for(int i=1;i<=400;i++){
        r=rand()%nn; w=ask(r);
        res=max(res,w[0]+w[1]);
    }

    return solve(0,nn-1,0,0);
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 208 KB Output is correct
2 Correct 4 ms 284 KB Output is correct
3 Correct 6 ms 208 KB Output is correct
4 Correct 4 ms 208 KB Output is correct
5 Correct 4 ms 292 KB Output is correct
6 Correct 8 ms 208 KB Output is correct
7 Correct 2 ms 292 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct

Subtask #2
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 208 KB Output is correct
2 Correct 2 ms 292 KB Output is correct
3 Correct 4 ms 288 KB Output is correct
4 Correct 5 ms 208 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 4 ms 292 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 2 ms 288 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 6 ms 296 KB Output is correct
12 Correct 3 ms 272 KB Output is correct
13 Correct 9 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 12 ms 292 KB Output is correct
16 Correct 43 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Partially correct 52 ms 208 KB Partially correct - number of queries: 5008
19 Correct 5 ms 292 KB Output is correct
20 Correct 8 ms 208 KB Output is correct
21 Correct 15 ms 272 KB Output is correct
22 Correct 8 ms 296 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 3 ms 288 KB Output is correct
25 Correct 23 ms 208 KB Output is correct
26 Correct 28 ms 288 KB Output is correct
27 Correct 6 ms 292 KB Output is correct
28 Correct 32 ms 208 KB Output is correct
29 Correct 35 ms 208 KB Output is correct
30 Correct 23 ms 208 KB Output is correct
31 Correct 5 ms 292 KB Output is correct
32 Correct 7 ms 208 KB Output is correct
33 Correct 5 ms 208 KB Output is correct
34 Correct 11 ms 280 KB Output is correct
35 Correct 5 ms 272 KB Output is correct
36 Correct 11 ms 208 KB Output is correct
37 Correct 4 ms 208 KB Output is correct
38 Correct 2 ms 292 KB Output is correct
39 Correct 24 ms 292 KB Output is correct
40 Correct 31 ms 292 KB Output is correct
41 Correct 27 ms 208 KB Output is correct
42 Correct 32 ms 208 KB Output is correct
43 Correct 17 ms 208 KB Output is correct
44 Correct 11 ms 296 KB Output is correct
45 Correct 15 ms 292 KB Output is correct
46 Correct 5 ms 336 KB Output is correct
47 Correct 18 ms 208 KB Output is correct
48 Correct 14 ms 292 KB Output is correct
49 Correct 7 ms 208 KB Output is correct
50 Partially correct 35 ms 296 KB Partially correct - number of queries: 5027
51 Correct 21 ms 208 KB Output is correct
52 Correct 6 ms 208 KB Output is correct
53 Correct 5 ms 296 KB Output is correct
54 Correct 9 ms 288 KB Output is correct
55 Correct 2 ms 288 KB Output is correct
56 Partially correct 36 ms 208 KB Partially correct - number of queries: 5034
57 Correct 30 ms 288 KB Output is correct
58 Correct 33 ms 208 KB Output is correct
59 Correct 16 ms 288 KB Output is correct
60 Correct 24 ms 208 KB Output is correct
61 Correct 4 ms 288 KB Output is correct
62 Correct 5 ms 208 KB Output is correct
63 Correct 5 ms 292 KB Output is correct
64 Correct 4 ms 292 KB Output is correct
65 Correct 3 ms 208 KB Output is correct
66 Correct 8 ms 208 KB Output is correct
67 Correct 7 ms 272 KB Output is correct
68 Correct 4 ms 208 KB Output is correct
69 Correct 6 ms 208 KB Output is correct
70 Correct 5 ms 208 KB Output is correct
71 Partially correct 54 ms 208 KB Partially correct - number of queries: 5141
72 Correct 9 ms 208 KB Output is correct
73 Partially correct 38 ms 208 KB Partially correct - number of queries: 5080
74 Partially correct 49 ms 208 KB Partially correct - number of queries: 5107
75 Correct 4 ms 208 KB Output is correct
76 Correct 36 ms 208 KB Output is correct
77 Partially correct 40 ms 208 KB Partially correct - number of queries: 5113
78 Correct 9 ms 208 KB Output is correct
79 Correct 12 ms 288 KB Output is correct
80 Partially correct 38 ms 208 KB Partially correct - number of queries: 5095
81 Partially correct 42 ms 208 KB Partially correct - number of queries: 5138
82 Partially correct 41 ms 208 KB Partially correct - number of queries: 5048
83 Correct 3 ms 208 KB Output is correct
84 Correct 30 ms 208 KB Output is correct
85 Partially correct 42 ms 208 KB Partially correct - number of queries: 5076
86 Incorrect 23 ms 300 KB answer is not correct
87 Halted 0 ms 0 KB -