답안 #758508

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
758508 2023-06-14T17:43:47 Z Andrey 커다란 상품 (IOI17_prize) C++14
90 / 100
65 ms 336 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;

int find_best(int n) {
	int y = 0,l,r,m,x,big = 0,z,k;
	for(int i = 0; (i+1)*(i+1) <= n; i++) {
        vector<int> a = ask(i);
        if(a[0] == 0 && a[1] == 0) {
            return i;
        }
        if(a[0]+a[1] > big) {
            big = a[0]+a[1];
            y = i+1;
        }
	}
	k = 325;
	while(y < n) {
        vector<int> a = ask(y);
        x = a[0];
        z = a[1];
        l = y;
        r = n-1;
        if(x+z == 0) {
            return y;
        }
        for(int i = l+k; i < n; i+=k) {
            a = ask(i);
            if(a[0] == x && a[1] == z) {
                l = i;
            }
            else {
                r = i-1;
                l = r-k+1;
                break;
            }
        }
        while(l < r) {
            m = (l+r+1)/2;
            a = ask(m);
            if(a[0] == x && a[1] == z) {
                l = m;
            }
            else {
                r = m-1;
            }
        }
        a = ask(l+1);
        if(a[0] == 0 && a[1] == 0) {
            return l+1;
        }
        y = l+2;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
   54 | }
      | ^
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 208 KB Output is correct
2 Correct 9 ms 208 KB Output is correct
3 Correct 6 ms 288 KB Output is correct
4 Correct 8 ms 208 KB Output is correct
5 Correct 5 ms 296 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 4 ms 296 KB Output is correct
8 Correct 7 ms 292 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 11 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 208 KB Output is correct
2 Correct 7 ms 288 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 8 ms 288 KB Output is correct
5 Correct 6 ms 288 KB Output is correct
6 Correct 0 ms 288 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 3 ms 292 KB Output is correct
10 Correct 9 ms 208 KB Output is correct
11 Correct 8 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 12 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 11 ms 208 KB Output is correct
16 Partially correct 37 ms 208 KB Partially correct - number of queries: 5358
17 Correct 5 ms 292 KB Output is correct
18 Partially correct 50 ms 208 KB Partially correct - number of queries: 6380
19 Correct 5 ms 208 KB Output is correct
20 Correct 13 ms 208 KB Output is correct
21 Correct 25 ms 208 KB Output is correct
22 Correct 8 ms 292 KB Output is correct
23 Correct 4 ms 280 KB Output is correct
24 Correct 4 ms 292 KB Output is correct
25 Correct 14 ms 292 KB Output is correct
26 Correct 18 ms 292 KB Output is correct
27 Correct 4 ms 292 KB Output is correct
28 Partially correct 37 ms 208 KB Partially correct - number of queries: 5952
29 Correct 31 ms 208 KB Output is correct
30 Partially correct 46 ms 296 KB Partially correct - number of queries: 6506
31 Correct 6 ms 208 KB Output is correct
32 Correct 9 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 18 ms 292 KB Output is correct
35 Correct 10 ms 292 KB Output is correct
36 Correct 18 ms 208 KB Output is correct
37 Correct 6 ms 208 KB Output is correct
38 Correct 6 ms 292 KB Output is correct
39 Correct 23 ms 292 KB Output is correct
40 Partially correct 55 ms 208 KB Partially correct - number of queries: 5480
41 Correct 34 ms 208 KB Output is correct
42 Correct 35 ms 292 KB Output is correct
43 Correct 14 ms 288 KB Output is correct
44 Correct 19 ms 272 KB Output is correct
45 Correct 18 ms 292 KB Output is correct
46 Correct 4 ms 208 KB Output is correct
47 Correct 12 ms 272 KB Output is correct
48 Correct 36 ms 208 KB Output is correct
49 Correct 8 ms 288 KB Output is correct
50 Partially correct 63 ms 288 KB Partially correct - number of queries: 6349
51 Correct 22 ms 288 KB Output is correct
52 Correct 5 ms 292 KB Output is correct
53 Correct 6 ms 284 KB Output is correct
54 Correct 30 ms 292 KB Output is correct
55 Correct 5 ms 208 KB Output is correct
56 Partially correct 65 ms 288 KB Partially correct - number of queries: 6370
57 Correct 18 ms 336 KB Output is correct
58 Correct 38 ms 208 KB Output is correct
59 Correct 33 ms 208 KB Output is correct
60 Correct 22 ms 288 KB Output is correct
61 Correct 4 ms 292 KB Output is correct
62 Correct 3 ms 304 KB Output is correct
63 Correct 4 ms 336 KB Output is correct
64 Correct 4 ms 292 KB Output is correct
65 Correct 12 ms 208 KB Output is correct
66 Correct 10 ms 292 KB Output is correct
67 Correct 11 ms 208 KB Output is correct
68 Correct 3 ms 276 KB Output is correct
69 Correct 10 ms 208 KB Output is correct
70 Correct 9 ms 208 KB Output is correct
71 Partially correct 55 ms 208 KB Partially correct - number of queries: 6254
72 Correct 12 ms 208 KB Output is correct
73 Partially correct 46 ms 208 KB Partially correct - number of queries: 6177
74 Partially correct 27 ms 208 KB Partially correct - number of queries: 6210
75 Correct 11 ms 208 KB Output is correct
76 Partially correct 60 ms 208 KB Partially correct - number of queries: 5462
77 Partially correct 46 ms 208 KB Partially correct - number of queries: 6101
78 Correct 15 ms 208 KB Output is correct
79 Correct 24 ms 208 KB Output is correct
80 Partially correct 23 ms 292 KB Partially correct - number of queries: 6082
81 Partially correct 43 ms 208 KB Partially correct - number of queries: 6097
82 Partially correct 61 ms 208 KB Partially correct - number of queries: 6060
83 Correct 5 ms 288 KB Output is correct
84 Partially correct 32 ms 208 KB Partially correct - number of queries: 5161
85 Partially correct 56 ms 208 KB Partially correct - number of queries: 6113
86 Correct 10 ms 208 KB Output is correct
87 Correct 7 ms 208 KB Output is correct
88 Correct 11 ms 292 KB Output is correct
89 Correct 13 ms 208 KB Output is correct
90 Correct 5 ms 336 KB Output is correct
91 Correct 13 ms 208 KB Output is correct
92 Correct 12 ms 208 KB Output is correct
93 Correct 10 ms 208 KB Output is correct
94 Correct 9 ms 208 KB Output is correct
95 Correct 9 ms 208 KB Output is correct
96 Correct 13 ms 208 KB Output is correct
97 Correct 6 ms 208 KB Output is correct