Submission #758449

# Submission time Handle Problem Language Result Execution time Memory
758449 2023-06-14T15:55:13 Z Andrey The Big Prize (IOI17_prize) C++14
20 / 100
101 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;
	for(int i = 0; i*i < 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;
        }
	}
	while(y < n) {
        l = y;
        r = n-1;
        vector<int> a = ask(y);
        x = a[0];
        z = a[1];
        if(x+z != big) {
            if(a[0] == 0 && a[1] == 0) {
                return y;
            }
            y++;
            continue;
        }
        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:46:1: warning: control reaches end of non-void function [-Wreturn-type]
   46 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 9 ms 284 KB Output is correct
2 Correct 3 ms 288 KB Output is correct
3 Correct 6 ms 208 KB Output is correct
4 Correct 4 ms 292 KB Output is correct
5 Correct 5 ms 208 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 3 ms 292 KB Output is correct
9 Correct 3 ms 296 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 296 KB Output is correct
2 Correct 5 ms 208 KB Output is correct
3 Correct 6 ms 208 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 5 ms 292 KB Output is correct
6 Correct 0 ms 288 KB Output is correct
7 Correct 6 ms 208 KB Output is correct
8 Correct 3 ms 292 KB Output is correct
9 Correct 5 ms 288 KB Output is correct
10 Correct 6 ms 208 KB Output is correct
11 Correct 7 ms 296 KB Output is correct
12 Correct 4 ms 292 KB Output is correct
13 Correct 8 ms 292 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 18 ms 292 KB Output is correct
16 Partially correct 45 ms 296 KB Partially correct - number of queries: 7782
17 Correct 3 ms 296 KB Output is correct
18 Partially correct 94 ms 208 KB Partially correct - number of queries: 9058
19 Correct 5 ms 208 KB Output is correct
20 Correct 16 ms 288 KB Output is correct
21 Correct 33 ms 288 KB Output is correct
22 Correct 11 ms 208 KB Output is correct
23 Correct 4 ms 288 KB Output is correct
24 Correct 4 ms 208 KB Output is correct
25 Partially correct 59 ms 208 KB Partially correct - number of queries: 5320
26 Partially correct 21 ms 276 KB Partially correct - number of queries: 5238
27 Correct 5 ms 208 KB Output is correct
28 Partially correct 39 ms 336 KB Partially correct - number of queries: 8616
29 Partially correct 66 ms 288 KB Partially correct - number of queries: 6656
30 Partially correct 36 ms 292 KB Partially correct - number of queries: 8999
31 Correct 5 ms 296 KB Output is correct
32 Correct 10 ms 296 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 30 ms 292 KB Output is correct
35 Correct 6 ms 208 KB Output is correct
36 Correct 22 ms 208 KB Output is correct
37 Correct 5 ms 208 KB Output is correct
38 Correct 5 ms 292 KB Output is correct
39 Correct 17 ms 288 KB Output is correct
40 Partially correct 80 ms 296 KB Partially correct - number of queries: 7755
41 Partially correct 50 ms 208 KB Partially correct - number of queries: 5596
42 Partially correct 60 ms 208 KB Partially correct - number of queries: 5596
43 Partially correct 43 ms 296 KB Partially correct - number of queries: 5097
44 Correct 42 ms 208 KB Output is correct
45 Correct 23 ms 276 KB Output is correct
46 Correct 4 ms 288 KB Output is correct
47 Correct 47 ms 208 KB Output is correct
48 Partially correct 58 ms 208 KB Partially correct - number of queries: 6814
49 Correct 11 ms 208 KB Output is correct
50 Partially correct 51 ms 288 KB Partially correct - number of queries: 9055
51 Correct 26 ms 208 KB Output is correct
52 Correct 7 ms 208 KB Output is correct
53 Correct 8 ms 208 KB Output is correct
54 Correct 33 ms 208 KB Output is correct
55 Correct 5 ms 208 KB Output is correct
56 Partially correct 34 ms 292 KB Partially correct - number of queries: 9057
57 Partially correct 58 ms 208 KB Partially correct - number of queries: 6736
58 Partially correct 74 ms 208 KB Partially correct - number of queries: 6842
59 Partially correct 44 ms 208 KB Partially correct - number of queries: 5596
60 Partially correct 50 ms 208 KB Partially correct - number of queries: 5228
61 Correct 3 ms 292 KB Output is correct
62 Correct 5 ms 296 KB Output is correct
63 Correct 5 ms 292 KB Output is correct
64 Correct 5 ms 292 KB Output is correct
65 Correct 3 ms 208 KB Output is correct
66 Correct 4 ms 292 KB Output is correct
67 Correct 5 ms 208 KB Output is correct
68 Correct 2 ms 288 KB Output is correct
69 Correct 6 ms 288 KB Output is correct
70 Correct 6 ms 208 KB Output is correct
71 Partially correct 78 ms 208 KB Partially correct - number of queries: 9183
72 Correct 11 ms 208 KB Output is correct
73 Partially correct 89 ms 288 KB Partially correct - number of queries: 9050
74 Partially correct 91 ms 208 KB Partially correct - number of queries: 9126
75 Correct 6 ms 208 KB Output is correct
76 Partially correct 71 ms 208 KB Partially correct - number of queries: 7886
77 Partially correct 79 ms 208 KB Partially correct - number of queries: 9051
78 Correct 12 ms 292 KB Output is correct
79 Correct 39 ms 292 KB Output is correct
80 Partially correct 89 ms 208 KB Partially correct - number of queries: 9085
81 Partially correct 72 ms 208 KB Partially correct - number of queries: 9077
82 Partially correct 101 ms 208 KB Partially correct - number of queries: 8992
83 Correct 3 ms 336 KB Output is correct
84 Partially correct 66 ms 208 KB Partially correct - number of queries: 7516
85 Partially correct 93 ms 208 KB Partially correct - number of queries: 9066
86 Incorrect 69 ms 208 KB Incorrect
87 Halted 0 ms 0 KB -