답안 #762038

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
762038 2023-06-20T15:55:08 Z Andrey 커다란 상품 (IOI17_prize) C++14
90 / 100
54 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;
        }
	}
	srand(time(NULL));
	while(y < n) {
        vector<int> a = ask(y);
        x = a[0];
        z = a[1];
        l = y;
        r = n-1;
        k = rand()%150+150;
        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:55:1: warning: control reaches end of non-void function [-Wreturn-type]
   55 | }
      | ^
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 292 KB Output is correct
2 Correct 11 ms 292 KB Output is correct
3 Correct 10 ms 288 KB Output is correct
4 Correct 12 ms 292 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 0 ms 292 KB Output is correct
7 Correct 3 ms 292 KB Output is correct
8 Correct 7 ms 292 KB Output is correct
9 Correct 5 ms 288 KB Output is correct
10 Correct 11 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 292 KB Output is correct
2 Correct 7 ms 292 KB Output is correct
3 Correct 9 ms 292 KB Output is correct
4 Correct 8 ms 296 KB Output is correct
5 Correct 5 ms 288 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 8 ms 292 KB Output is correct
8 Correct 8 ms 292 KB Output is correct
9 Correct 4 ms 296 KB Output is correct
10 Correct 10 ms 208 KB Output is correct
11 Correct 7 ms 284 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 13 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 11 ms 292 KB Output is correct
16 Partially correct 30 ms 208 KB Partially correct - number of queries: 5226
17 Correct 4 ms 208 KB Output is correct
18 Partially correct 35 ms 336 KB Partially correct - number of queries: 6222
19 Correct 2 ms 208 KB Output is correct
20 Correct 8 ms 208 KB Output is correct
21 Correct 23 ms 288 KB Output is correct
22 Correct 3 ms 336 KB Output is correct
23 Correct 5 ms 296 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 29 ms 208 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 3 ms 288 KB Output is correct
28 Partially correct 51 ms 208 KB Partially correct - number of queries: 5978
29 Correct 39 ms 208 KB Output is correct
30 Partially correct 47 ms 208 KB Partially correct - number of queries: 6203
31 Correct 3 ms 208 KB Output is correct
32 Correct 5 ms 336 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 17 ms 208 KB Output is correct
35 Correct 4 ms 292 KB Output is correct
36 Correct 6 ms 296 KB Output is correct
37 Correct 3 ms 296 KB Output is correct
38 Correct 5 ms 208 KB Output is correct
39 Correct 20 ms 292 KB Output is correct
40 Partially correct 32 ms 208 KB Partially correct - number of queries: 5508
41 Correct 32 ms 208 KB Output is correct
42 Correct 23 ms 292 KB Output is correct
43 Correct 12 ms 292 KB Output is correct
44 Correct 23 ms 208 KB Output is correct
45 Correct 8 ms 292 KB Output is correct
46 Correct 2 ms 292 KB Output is correct
47 Correct 27 ms 208 KB Output is correct
48 Correct 21 ms 276 KB Output is correct
49 Correct 3 ms 336 KB Output is correct
50 Partially correct 51 ms 208 KB Partially correct - number of queries: 6228
51 Correct 16 ms 208 KB Output is correct
52 Correct 3 ms 208 KB Output is correct
53 Correct 13 ms 292 KB Output is correct
54 Correct 17 ms 296 KB Output is correct
55 Correct 4 ms 288 KB Output is correct
56 Partially correct 29 ms 208 KB Partially correct - number of queries: 6204
57 Correct 15 ms 292 KB Output is correct
58 Correct 38 ms 288 KB Output is correct
59 Correct 22 ms 208 KB Output is correct
60 Correct 21 ms 208 KB Output is correct
61 Correct 5 ms 300 KB Output is correct
62 Correct 2 ms 288 KB Output is correct
63 Correct 12 ms 208 KB Output is correct
64 Correct 4 ms 292 KB Output is correct
65 Correct 5 ms 292 KB Output is correct
66 Correct 12 ms 292 KB Output is correct
67 Correct 9 ms 208 KB Output is correct
68 Correct 4 ms 288 KB Output is correct
69 Correct 12 ms 208 KB Output is correct
70 Correct 9 ms 292 KB Output is correct
71 Partially correct 54 ms 208 KB Partially correct - number of queries: 6333
72 Correct 14 ms 208 KB Output is correct
73 Partially correct 53 ms 208 KB Partially correct - number of queries: 6313
74 Partially correct 52 ms 208 KB Partially correct - number of queries: 6342
75 Correct 11 ms 208 KB Output is correct
76 Partially correct 48 ms 208 KB Partially correct - number of queries: 5574
77 Partially correct 43 ms 208 KB Partially correct - number of queries: 6222
78 Correct 11 ms 208 KB Output is correct
79 Correct 26 ms 292 KB Output is correct
80 Partially correct 38 ms 208 KB Partially correct - number of queries: 6226
81 Partially correct 42 ms 208 KB Partially correct - number of queries: 6232
82 Partially correct 42 ms 208 KB Partially correct - number of queries: 6182
83 Correct 11 ms 208 KB Output is correct
84 Partially correct 29 ms 208 KB Partially correct - number of queries: 5324
85 Partially correct 44 ms 208 KB Partially correct - number of queries: 6205
86 Correct 7 ms 208 KB Output is correct
87 Correct 9 ms 208 KB Output is correct
88 Correct 11 ms 208 KB Output is correct
89 Correct 9 ms 208 KB Output is correct
90 Correct 11 ms 296 KB Output is correct
91 Correct 12 ms 208 KB Output is correct
92 Correct 10 ms 208 KB Output is correct
93 Correct 13 ms 208 KB Output is correct
94 Correct 13 ms 208 KB Output is correct
95 Correct 10 ms 208 KB Output is correct
96 Correct 15 ms 208 KB Output is correct
97 Correct 11 ms 208 KB Output is correct