답안 #721463

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
721463 2023-04-11T02:03:25 Z minhcool 커다란 상품 (IOI17_prize) C++17
91.05 / 100
60 ms 336 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
 
#define fi first
#define se second
#define pb push_back
#define mp make_pair
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 3e5 + 5;
 
const int oo = 1e18 + 7, mod = 1e9 + 7;
 
int n;
 
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	return abs(temp) + l;
}
 
vector<int> askk(int pos){
	return ask(pos - 1);
}
 
int find_best(int N){
	n = N;
	if(n <= 5000){
		for(int i = 1; i <= n; i++){
			vector<int> res = askk(i);
			if(res[0] == 0 && res[1] == 0) return i - 1;
		}
	}
	//cout << "OK\n";
	int mx = -1;
  /*
	for(int i = 1; i <= 500; i++){
		vector<int> v = askk(rnd(1, n));
		mx = max(mx, v[0] + v[1]);
	}*/
	int itr = 0, tot = 0;
	while(1){
      if(itr >= n) return n - 1;
		int l = itr + 1, r = n;
        bool ck = 0;
		while(l < r){
			int mid = (l + r) >> 1;
            if(!ck) mid = min(l + 1000, n);        
            ck = 1;
			vector<int> a = askk(mid);
            mx = max(mx, a[0] + a[1]);
			if(a[0] + a[1] != mx) r = mid;
			else if(a[0] > tot) r = mid;
			else l = mid + 1;
		}
		vector<int> v = askk(l);
		if(!(v[0] + v[1])) return l - 1;
		itr = l;
        tot++;
		/*
		assert(l != n);
		vector<int> v = ask(l + 1);
		assert(v[0] + v[1] != mx);
		if(!(v[0] + v[1])) return l + 1;
		int temp = l + 1;
		set<int> se;
		se.insert(mx);
		se.insert(v[0] + v[1]);*/
	}
}
 
 
/*
void process(){
 
}
 
signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t;
	cin >> t;
	while(t--) process();
}
*/

Compilation message

prize.cpp:16:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   16 | const int oo = 1e18 + 7, mod = 1e9 + 7;
      |                ~~~~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 276 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 292 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 3 ms 300 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 8 ms 292 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 9 ms 296 KB Output is correct
16 Correct 48 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Partially correct 24 ms 292 KB Partially correct - number of queries: 5664
19 Correct 1 ms 300 KB Output is correct
20 Correct 12 ms 296 KB Output is correct
21 Correct 18 ms 292 KB Output is correct
22 Correct 3 ms 296 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 39 ms 208 KB Output is correct
26 Correct 14 ms 296 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Partially correct 51 ms 296 KB Partially correct - number of queries: 5634
29 Correct 46 ms 208 KB Output is correct
30 Partially correct 48 ms 296 KB Partially correct - number of queries: 5616
31 Correct 1 ms 272 KB Output is correct
32 Correct 4 ms 208 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 14 ms 208 KB Output is correct
35 Correct 2 ms 296 KB Output is correct
36 Correct 7 ms 292 KB Output is correct
37 Correct 2 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 11 ms 292 KB Output is correct
40 Correct 38 ms 276 KB Output is correct
41 Correct 27 ms 296 KB Output is correct
42 Correct 30 ms 208 KB Output is correct
43 Correct 29 ms 208 KB Output is correct
44 Correct 16 ms 208 KB Output is correct
45 Correct 21 ms 296 KB Output is correct
46 Correct 1 ms 208 KB Output is correct
47 Correct 31 ms 208 KB Output is correct
48 Correct 38 ms 292 KB Output is correct
49 Correct 6 ms 208 KB Output is correct
50 Partially correct 60 ms 300 KB Partially correct - number of queries: 5663
51 Correct 25 ms 208 KB Output is correct
52 Correct 1 ms 292 KB Output is correct
53 Correct 2 ms 292 KB Output is correct
54 Correct 26 ms 208 KB Output is correct
55 Correct 1 ms 276 KB Output is correct
56 Partially correct 45 ms 208 KB Partially correct - number of queries: 5664
57 Correct 38 ms 296 KB Output is correct
58 Correct 41 ms 296 KB Output is correct
59 Correct 14 ms 272 KB Output is correct
60 Correct 21 ms 208 KB Output is correct
61 Correct 2 ms 208 KB Output is correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 2 ms 300 KB Output is correct
64 Correct 1 ms 208 KB Output is correct
65 Correct 2 ms 208 KB Output is correct
66 Correct 20 ms 296 KB Output is correct
67 Correct 1 ms 292 KB Output is correct
68 Partially correct 48 ms 292 KB Partially correct - number of queries: 5364
69 Correct 38 ms 208 KB Output is correct
70 Correct 2 ms 208 KB Output is correct
71 Partially correct 43 ms 208 KB Partially correct - number of queries: 5664
72 Correct 4 ms 208 KB Output is correct
73 Partially correct 56 ms 208 KB Partially correct - number of queries: 5580
74 Partially correct 43 ms 208 KB Partially correct - number of queries: 5616
75 Correct 2 ms 208 KB Output is correct
76 Correct 50 ms 208 KB Output is correct
77 Partially correct 56 ms 208 KB Partially correct - number of queries: 5659
78 Correct 4 ms 296 KB Output is correct
79 Correct 28 ms 208 KB Output is correct
80 Partially correct 50 ms 208 KB Partially correct - number of queries: 5652
81 Partially correct 42 ms 208 KB Partially correct - number of queries: 5657
82 Partially correct 26 ms 208 KB Partially correct - number of queries: 5606
83 Correct 1 ms 208 KB Output is correct
84 Correct 42 ms 208 KB Output is correct
85 Partially correct 46 ms 208 KB Partially correct - number of queries: 5656
86 Partially correct 42 ms 208 KB Partially correct - number of queries: 5895
87 Correct 5 ms 208 KB Output is correct
88 Partially correct 22 ms 292 KB Partially correct - number of queries: 5571
89 Partially correct 56 ms 208 KB Partially correct - number of queries: 5823
90 Correct 1 ms 208 KB Output is correct
91 Correct 36 ms 292 KB Output is correct
92 Partially correct 38 ms 208 KB Partially correct - number of queries: 5190
93 Correct 5 ms 208 KB Output is correct
94 Correct 5 ms 208 KB Output is correct
95 Correct 4 ms 208 KB Output is correct
96 Correct 4 ms 208 KB Output is correct
97 Correct 1 ms 208 KB Output is correct