답안 #66286 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
66286	2018-08-10T07:27:30 Z	FedericoS	커다란 상품 (IOI17_prize)	C++14	100 / 100	101 ms	11580 KB

prize

#include "prize.h"
#include <assert.h>
#include <iostream>
#include <cmath>
using namespace std;

int N,S,K;
vector<int> A;
vector<int> M[200005];
int calls;
vector<int> vuoto(2,-1);

vector<int> q(int k){

    if(k==-1){
        vector<int> r(2,0);
        r[1]=S;
        return r;
    }

    if(M[k]==vuoto){
        calls++;
        if(calls==10000)
            assert(false);
        M[k]=ask(k);
    }

    //cout<<"q("<<k<<")="<<M[k][0]<<","<<M[k][1]<<endl;
    return M[k];
}

int sinistra(int k){

    int y=k;
    vector<int> V;
    int res=0;
    V=q(k);

    while(V[0]+V[1]!=S){
        res++;
        V=q(--k);
    }

    //cout<<"sinistra("<<y<<")="<<res+V[0]<<endl;
    return res+V[0];

}

int find_best(int n) {

    N=n;
    fill(M,M+N,vuoto);

    for(int i=0;i<min(N,500);i++){
        A=q(i);
        S=max(S,A[0]+A[1]);
        if(S>(int)sqrt(N))
            break;
    }

    while(K<S){

        int l=0,r=N,m;

        while(l<r){
            m=(l+r)/2;
            if(sinistra(m)<=K)
                l=m+1;
            else
                r=m;
        }

        K++;
        A=q(l);
        if(A[0]==0 and A[1]==0)
            return l;

    }

}

Compilation message

prize.cpp: In function 'int sinistra(int)':
prize.cpp:34:9: warning: unused variable 'y' [-Wunused-variable]
     int y=k;
         ^
prize.cpp: In function 'int find_best(int)':
prize.cpp:80:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	33 ms	11172 KB	Output is correct
2	Correct	32 ms	11316 KB	Output is correct
3	Correct	32 ms	11316 KB	Output is correct
4	Correct	28 ms	11392 KB	Output is correct
5	Correct	27 ms	11392 KB	Output is correct
6	Correct	25 ms	11472 KB	Output is correct
7	Correct	30 ms	11472 KB	Output is correct
8	Correct	36 ms	11472 KB	Output is correct
9	Correct	38 ms	11472 KB	Output is correct
10	Correct	28 ms	11472 KB	Output is correct

Subtask #2
80.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	11472 KB	Output is correct
2	Correct	29 ms	11472 KB	Output is correct
3	Correct	31 ms	11472 KB	Output is correct
4	Correct	30 ms	11472 KB	Output is correct
5	Correct	25 ms	11472 KB	Output is correct
6	Correct	26 ms	11472 KB	Output is correct
7	Correct	26 ms	11472 KB	Output is correct
8	Correct	31 ms	11472 KB	Output is correct
9	Correct	25 ms	11472 KB	Output is correct
10	Correct	28 ms	11472 KB	Output is correct
11	Correct	29 ms	11472 KB	Output is correct
12	Correct	36 ms	11472 KB	Output is correct
13	Correct	33 ms	11472 KB	Output is correct
14	Correct	13 ms	11472 KB	Output is correct
15	Correct	28 ms	11472 KB	Output is correct
16	Correct	58 ms	11472 KB	Output is correct
17	Correct	24 ms	11472 KB	Output is correct
18	Correct	70 ms	11472 KB	Output is correct
19	Correct	29 ms	11472 KB	Output is correct
20	Correct	28 ms	11472 KB	Output is correct
21	Correct	43 ms	11472 KB	Output is correct
22	Correct	27 ms	11472 KB	Output is correct
23	Correct	29 ms	11472 KB	Output is correct
24	Correct	32 ms	11472 KB	Output is correct
25	Correct	35 ms	11472 KB	Output is correct
26	Correct	58 ms	11472 KB	Output is correct
27	Correct	27 ms	11528 KB	Output is correct
28	Correct	44 ms	11528 KB	Output is correct
29	Correct	47 ms	11528 KB	Output is correct
30	Correct	81 ms	11528 KB	Output is correct
31	Correct	25 ms	11528 KB	Output is correct
32	Correct	32 ms	11528 KB	Output is correct
33	Correct	7 ms	11528 KB	Output is correct
34	Correct	36 ms	11528 KB	Output is correct
35	Correct	28 ms	11528 KB	Output is correct
36	Correct	34 ms	11528 KB	Output is correct
37	Correct	30 ms	11528 KB	Output is correct
38	Correct	28 ms	11528 KB	Output is correct
39	Correct	41 ms	11528 KB	Output is correct
40	Correct	49 ms	11528 KB	Output is correct
41	Correct	35 ms	11528 KB	Output is correct
42	Correct	46 ms	11528 KB	Output is correct
43	Correct	56 ms	11528 KB	Output is correct
44	Correct	51 ms	11528 KB	Output is correct
45	Correct	40 ms	11528 KB	Output is correct
46	Correct	25 ms	11528 KB	Output is correct
47	Correct	41 ms	11528 KB	Output is correct
48	Correct	54 ms	11528 KB	Output is correct
49	Correct	34 ms	11528 KB	Output is correct
50	Correct	65 ms	11528 KB	Output is correct
51	Correct	30 ms	11528 KB	Output is correct
52	Correct	27 ms	11528 KB	Output is correct
53	Correct	22 ms	11528 KB	Output is correct
54	Correct	49 ms	11528 KB	Output is correct
55	Correct	22 ms	11528 KB	Output is correct
56	Correct	74 ms	11528 KB	Output is correct
57	Correct	53 ms	11528 KB	Output is correct
58	Correct	64 ms	11528 KB	Output is correct
59	Correct	60 ms	11528 KB	Output is correct
60	Correct	55 ms	11580 KB	Output is correct
61	Correct	26 ms	11580 KB	Output is correct
62	Correct	25 ms	11580 KB	Output is correct
63	Correct	26 ms	11580 KB	Output is correct
64	Correct	25 ms	11580 KB	Output is correct
65	Correct	29 ms	11580 KB	Output is correct
66	Correct	81 ms	11580 KB	Output is correct
67	Correct	23 ms	11580 KB	Output is correct
68	Correct	74 ms	11580 KB	Output is correct
69	Correct	92 ms	11580 KB	Output is correct
70	Correct	27 ms	11580 KB	Output is correct
71	Correct	67 ms	11580 KB	Output is correct
72	Correct	34 ms	11580 KB	Output is correct
73	Correct	77 ms	11580 KB	Output is correct
74	Correct	85 ms	11580 KB	Output is correct
75	Correct	38 ms	11580 KB	Output is correct
76	Correct	64 ms	11580 KB	Output is correct
77	Correct	65 ms	11580 KB	Output is correct
78	Correct	31 ms	11580 KB	Output is correct
79	Correct	49 ms	11580 KB	Output is correct
80	Correct	43 ms	11580 KB	Output is correct
81	Correct	83 ms	11580 KB	Output is correct
82	Correct	68 ms	11580 KB	Output is correct
83	Correct	32 ms	11580 KB	Output is correct
84	Correct	73 ms	11580 KB	Output is correct
85	Correct	76 ms	11580 KB	Output is correct
86	Correct	84 ms	11580 KB	Output is correct
87	Correct	39 ms	11580 KB	Output is correct
88	Correct	81 ms	11580 KB	Output is correct
89	Correct	89 ms	11580 KB	Output is correct
90	Correct	26 ms	11580 KB	Output is correct
91	Correct	50 ms	11580 KB	Output is correct
92	Correct	73 ms	11580 KB	Output is correct
93	Correct	101 ms	11580 KB	Output is correct
94	Correct	91 ms	11580 KB	Output is correct
95	Correct	81 ms	11580 KB	Output is correct
96	Correct	98 ms	11580 KB	Output is correct
97	Correct	91 ms	11580 KB	Output is correct

답안 #66286

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 80.0 / 80.0

Subtask #1
20.0 / 20.0

Subtask #2
80.0 / 80.0