Submission #626588

# Submission time Handle Problem Language Result Execution time Memory
626588 2022-08-11T14:48:30 Z Mounir The Big Prize (IOI17_prize) C++14
90 / 100
93 ms 1248 KB
#include "prize.h"
#include <bits/stdc++.h>
#define chmin(x, v) x = min(x, v)
using namespace std;

map<int, vector<int>> ans;

vector<int> ask_res(int i){
	if (ans.count(i)) return ans[i];
	ans[i] =  ask(i);
	//if (i != 7) cout << "query " << i << " " << rep[0] << " " << rep[1] <<  endl;
	return ans[i];
}

const int C = 472;
map<int, int> occs;

int find_best(int n) {
/*	int sum = 0;
	int cur = 1;
	for (int i = 0; i < 4; ++i) {
		sum += cur;
		cur = cur * cur + 1;
	}
	cout << "sum " << sum << endl;*/
	int sumMax = -1;
	for (int i = 0; i < C; ++i){
		vector<int> ans = ask_res(i);
		occs[ans[0] + ans[1]]++;
		if (ans[0] + ans[1] == 0) return i;
		if (ans[0] + ans[1] > sumMax)
			sumMax = ans[0] + ans[1];
	}

	for (int i = C; i < n; ++i){
		vector<int> ans = ask_res(i);
		if (ans[0] + ans[1] == 0) return i;
		if (ans[0] + ans[1] != sumMax) 
			continue;
		int pasBonbons = ans[0];
		int deb = i + 1, fin = n, saut = n - 1;
		while (fin >= deb){
			int mid = (deb + fin)/2;
			vector<int> cur = ask_res(mid);
			if (cur[0] + cur[1] == 0) return mid;
			if (cur[0] + cur[1] != sumMax){
				fin = mid - 1;
				chmin(saut, mid);
				continue;
			}

			if (cur[0] != pasBonbons) {
				fin = mid - 1;
				chmin(saut, mid);
			}
			else 
				deb = mid + 1;
		}

		//on a le prochain pas bonbon
		i = saut;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:63:1: warning: control reaches end of non-void function [-Wreturn-type]
   63 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 4 ms 288 KB Output is correct
3 Correct 8 ms 288 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 3 ms 292 KB Output is correct
8 Correct 4 ms 288 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 288 KB Output is correct
2 Correct 5 ms 336 KB Output is correct
3 Correct 3 ms 328 KB Output is correct
4 Correct 3 ms 336 KB Output is correct
5 Correct 6 ms 296 KB Output is correct
6 Correct 0 ms 292 KB Output is correct
7 Correct 5 ms 280 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 6 ms 336 KB Output is correct
10 Correct 5 ms 336 KB Output is correct
11 Correct 8 ms 292 KB Output is correct
12 Correct 2 ms 312 KB Output is correct
13 Correct 10 ms 336 KB Output is correct
14 Correct 5 ms 308 KB Output is correct
15 Correct 12 ms 452 KB Output is correct
16 Partially correct 65 ms 1052 KB Partially correct - number of queries: 7194
17 Correct 4 ms 292 KB Output is correct
18 Partially correct 73 ms 1144 KB Partially correct - number of queries: 8342
19 Correct 6 ms 352 KB Output is correct
20 Correct 25 ms 548 KB Output is correct
21 Correct 28 ms 584 KB Output is correct
22 Correct 9 ms 392 KB Output is correct
23 Correct 6 ms 336 KB Output is correct
24 Correct 5 ms 292 KB Output is correct
25 Correct 45 ms 808 KB Output is correct
26 Correct 43 ms 796 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Partially correct 73 ms 1084 KB Partially correct - number of queries: 7877
29 Partially correct 85 ms 884 KB Partially correct - number of queries: 6086
30 Partially correct 92 ms 1180 KB Partially correct - number of queries: 8297
31 Correct 3 ms 292 KB Output is correct
32 Correct 8 ms 336 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 28 ms 564 KB Output is correct
35 Correct 6 ms 296 KB Output is correct
36 Correct 21 ms 412 KB Output is correct
37 Correct 7 ms 296 KB Output is correct
38 Correct 5 ms 296 KB Output is correct
39 Correct 33 ms 664 KB Output is correct
40 Partially correct 76 ms 968 KB Partially correct - number of queries: 7197
41 Partially correct 59 ms 748 KB Partially correct - number of queries: 5187
42 Partially correct 34 ms 816 KB Partially correct - number of queries: 5187
43 Correct 45 ms 720 KB Output is correct
44 Correct 20 ms 656 KB Output is correct
45 Correct 18 ms 584 KB Output is correct
46 Correct 6 ms 280 KB Output is correct
47 Correct 24 ms 740 KB Output is correct
48 Partially correct 31 ms 960 KB Partially correct - number of queries: 6303
49 Correct 9 ms 348 KB Output is correct
50 Partially correct 93 ms 1180 KB Partially correct - number of queries: 8345
51 Correct 36 ms 676 KB Output is correct
52 Correct 6 ms 332 KB Output is correct
53 Correct 7 ms 288 KB Output is correct
54 Correct 39 ms 688 KB Output is correct
55 Correct 5 ms 288 KB Output is correct
56 Partially correct 84 ms 1248 KB Partially correct - number of queries: 8346
57 Partially correct 65 ms 928 KB Partially correct - number of queries: 6217
58 Partially correct 58 ms 928 KB Partially correct - number of queries: 6288
59 Partially correct 37 ms 840 KB Partially correct - number of queries: 5182
60 Correct 64 ms 684 KB Output is correct
61 Correct 4 ms 288 KB Output is correct
62 Correct 4 ms 296 KB Output is correct
63 Correct 6 ms 292 KB Output is correct
64 Correct 3 ms 336 KB Output is correct
65 Correct 6 ms 284 KB Output is correct
66 Correct 10 ms 336 KB Output is correct
67 Correct 3 ms 284 KB Output is correct
68 Correct 6 ms 296 KB Output is correct
69 Correct 4 ms 352 KB Output is correct
70 Correct 5 ms 336 KB Output is correct
71 Partially correct 42 ms 1180 KB Partially correct - number of queries: 8224
72 Correct 10 ms 336 KB Output is correct
73 Partially correct 72 ms 1076 KB Partially correct - number of queries: 8118
74 Partially correct 85 ms 1096 KB Partially correct - number of queries: 8176
75 Correct 6 ms 332 KB Output is correct
76 Partially correct 55 ms 992 KB Partially correct - number of queries: 7108
77 Partially correct 75 ms 1096 KB Partially correct - number of queries: 8373
78 Correct 8 ms 344 KB Output is correct
79 Correct 38 ms 800 KB Output is correct
80 Partially correct 83 ms 1136 KB Partially correct - number of queries: 8390
81 Partially correct 39 ms 1168 KB Partially correct - number of queries: 8409
82 Partially correct 76 ms 1164 KB Partially correct - number of queries: 8308
83 Correct 6 ms 336 KB Output is correct
84 Partially correct 43 ms 1096 KB Partially correct - number of queries: 6918
85 Partially correct 68 ms 1068 KB Partially correct - number of queries: 8355
86 Correct 5 ms 336 KB Output is correct
87 Correct 5 ms 336 KB Output is correct
88 Correct 5 ms 328 KB Output is correct
89 Correct 4 ms 336 KB Output is correct
90 Correct 5 ms 336 KB Output is correct
91 Correct 3 ms 324 KB Output is correct
92 Correct 5 ms 288 KB Output is correct
93 Correct 9 ms 340 KB Output is correct
94 Correct 7 ms 356 KB Output is correct
95 Correct 8 ms 312 KB Output is correct
96 Correct 9 ms 364 KB Output is correct
97 Correct 4 ms 336 KB Output is correct