oj.uz

Submission #593051

# Submission time Handle Problem Language Result Execution time Memory
593051 2022-07-10T09:53:50 Z Tekor The Big Prize (IOI17_prize) C++17
90 / 100
 65 ms 9792 KB 
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair <int,int>
#define mp make_pair
#define f first
#define s second
#define pb push_back
#define en '\n'
#define all(v) v.begin(),v.end()
const int N = 2e5 + 10;
int k,mx,kol;
vector <int> was[N];
bool u[N],gd[N];
vector <pii> q; 
int t[N * 4],t1[N * 4];
void build(int v,int tl,int tr) {
	if(tl == tr) {
		t[v] = 1;
		t1[v] = 0;
		return;
	}
	int tm = (tl + tr) / 2;
	build(v + v,tl,tm);
	build(v + v + 1,tm + 1,tr);
	t[v] = t[v + v] + t[v + v + 1];
}
int get(int v,int tl,int tr,int x) {
	if(tl == tr)return tl;
	int tm = (tl + tr) / 2;
	if(t[v + v] >= x)return get(v + v,tl,tm,x);
	else return get(v + v + 1,tm + 1,tr,x - t[v + v]);
}
void upd(int v,int tl,int tr,int pos) {
	if(tl == tr) {
		t[v] = 0;
		t1[v] = 1;
		return;
	}
	int tm = (tl + tr) / 2;
	if(pos <= tm)upd(v + v,tl,tm,pos);
	else upd(v + v + 1,tm + 1,tr,pos);
	t[v] = t[v + v] + t[v + v + 1];
	t1[v] = t1[v + v] + t1[v + v + 1];
}
int get1(int v,int tl,int tr,int l,int r) {
	if(tl > r || tr < l)return 0;
	if(tl >= l && tr <= r)return t1[v];
	int tm = (tl + tr) / 2;
	return get1(v + v,tl,tm,l,r) + get1(v + v + 1,tm + 1,tr,l,r);
}
/*
8
3 2 3 1 3 3 2 3
*/
vector <int> Ask(int x) {
	if(u[x])return was[x];
	u[x] = 1;
	kol++;
	assert(kol <= 10000);
	was[x] = ask(x);
	return was[x];
}
int find_best(int pp) {
	k = pp;
	int m = (k - 1) / 2;
	int mx = 1;
	build(1,0,k - 1);
	int pos = 0;
	while(1) {
		int l = 0,r = k - 1 - pos;
		while(l <= r) {
			int mid = (l + r) / 2;
			int zap = get(1,0,k - 1,mid + 1);
			vector <int> res = Ask(zap);
			int sum = res[0] + res[1];
			if(sum == 0)return zap;
			if(sum < mx) {
				pos++;
				upd(1,0,k - 1,zap);
				gd[zap] = 1;
				break;
			}
			if(sum > mx) {
				bool ch = 0;
				for(int i = 0;i < k;i++) {
					if(!gd[i] && u[i] && i != zap) {
						pos++;
						upd(1,0,k - 1,i);
						ch = 1;
						gd[i] = 1;
					}
				}
				mx = sum;
				if(ch)break;
			}
			res[0] -= get1(1,0,k - 1,0,zap - 1);
			if(res[0] != 0) {
				r = mid - 1;
			}else {
				l = mid + 1;
			}
		}
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:66:6: warning: unused variable 'm' [-Wunused-variable]
   66 |  int m = (k - 1) / 2;
      |      ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8584 KB Output is correct
2 Correct 5 ms 8580 KB Output is correct
3 Correct 5 ms 8592 KB Output is correct
4 Correct 6 ms 8516 KB Output is correct
5 Correct 5 ms 8528 KB Output is correct
6 Correct 5 ms 8588 KB Output is correct
7 Correct 6 ms 8588 KB Output is correct
8 Correct 5 ms 8528 KB Output is correct
9 Correct 5 ms 8588 KB Output is correct
10 Correct 5 ms 8528 KB Output is correct

Subtask #2
70.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 8592 KB Output is correct
2 Correct 5 ms 8616 KB Output is correct
3 Correct 5 ms 8588 KB Output is correct
4 Correct 5 ms 8528 KB Output is correct
5 Correct 6 ms 8688 KB Output is correct
6 Correct 5 ms 8592 KB Output is correct
7 Correct 5 ms 8608 KB Output is correct
8 Correct 5 ms 8588 KB Output is correct
9 Correct 6 ms 8584 KB Output is correct
10 Correct 6 ms 8528 KB Output is correct
11 Correct 7 ms 8836 KB Output is correct
12 Correct 7 ms 8520 KB Output is correct
13 Correct 9 ms 9268 KB Output is correct
14 Correct 6 ms 5508 KB Output is correct
15 Correct 12 ms 8712 KB Output is correct
16 Correct 33 ms 9500 KB Output is correct
17 Correct 5 ms 8528 KB Output is correct
18 Partially correct 40 ms 9704 KB Partially correct - number of queries: 5509
19 Correct 5 ms 8576 KB Output is correct
20 Correct 18 ms 6984 KB Output is correct
21 Correct 19 ms 8896 KB Output is correct
22 Correct 9 ms 8688 KB Output is correct
23 Correct 6 ms 8588 KB Output is correct
24 Correct 5 ms 8584 KB Output is correct
25 Correct 30 ms 9160 KB Output is correct
26 Correct 35 ms 9140 KB Output is correct
27 Correct 6 ms 8648 KB Output is correct
28 Partially correct 36 ms 9548 KB Partially correct - number of queries: 5013
29 Correct 38 ms 9384 KB Output is correct
30 Partially correct 44 ms 9648 KB Partially correct - number of queries: 5436
31 Correct 5 ms 8588 KB Output is correct
32 Correct 8 ms 9096 KB Output is correct
33 Correct 2 ms 4944 KB Output is correct
34 Correct 24 ms 8836 KB Output is correct
35 Correct 7 ms 8844 KB Output is correct
36 Correct 18 ms 8832 KB Output is correct
37 Correct 7 ms 8704 KB Output is correct
38 Correct 5 ms 8576 KB Output is correct
39 Correct 23 ms 9092 KB Output is correct
40 Correct 36 ms 9588 KB Output is correct
41 Correct 33 ms 9380 KB Output is correct
42 Correct 31 ms 9132 KB Output is correct
43 Correct 19 ms 9176 KB Output is correct
44 Correct 26 ms 9024 KB Output is correct
45 Correct 21 ms 8836 KB Output is correct
46 Correct 5 ms 8584 KB Output is correct
47 Correct 26 ms 9060 KB Output is correct
48 Correct 45 ms 9344 KB Output is correct
49 Correct 12 ms 8616 KB Output is correct
50 Partially correct 51 ms 9580 KB Partially correct - number of queries: 5521
51 Correct 27 ms 8952 KB Output is correct
52 Correct 6 ms 8572 KB Output is correct
53 Correct 7 ms 8740 KB Output is correct
54 Correct 25 ms 8964 KB Output is correct
55 Correct 6 ms 8532 KB Output is correct
56 Partially correct 44 ms 9620 KB Partially correct - number of queries: 5521
57 Correct 38 ms 9288 KB Output is correct
58 Correct 30 ms 9348 KB Output is correct
59 Correct 48 ms 9232 KB Output is correct
60 Correct 32 ms 9092 KB Output is correct
61 Correct 7 ms 8844 KB Output is correct
62 Correct 6 ms 8604 KB Output is correct
63 Correct 7 ms 8840 KB Output is correct
64 Correct 6 ms 8704 KB Output is correct
65 Correct 8 ms 8588 KB Output is correct
66 Correct 25 ms 8752 KB Output is correct
67 Correct 12 ms 8592 KB Output is correct
68 Correct 10 ms 8656 KB Output is correct
69 Correct 34 ms 8660 KB Output is correct
70 Correct 13 ms 8584 KB Output is correct
71 Partially correct 49 ms 9612 KB Partially correct - number of queries: 6126
72 Correct 10 ms 9260 KB Output is correct
73 Partially correct 65 ms 9736 KB Partially correct - number of queries: 6016
74 Partially correct 52 ms 9636 KB Partially correct - number of queries: 6033
75 Correct 7 ms 8784 KB Output is correct
76 Partially correct 35 ms 9792 KB Partially correct - number of queries: 5202
77 Partially correct 60 ms 9580 KB Partially correct - number of queries: 5621
78 Correct 9 ms 9304 KB Output is correct
79 Correct 32 ms 9452 KB Output is correct
80 Partially correct 56 ms 9736 KB Partially correct - number of queries: 5602
81 Partially correct 58 ms 9544 KB Partially correct - number of queries: 5539
82 Partially correct 58 ms 9560 KB Partially correct - number of queries: 5524
83 Correct 7 ms 8868 KB Output is correct
84 Correct 42 ms 9544 KB Output is correct
85 Partially correct 48 ms 9656 KB Partially correct - number of queries: 5540
86 Correct 11 ms 9420 KB Output is correct
87 Correct 6 ms 9000 KB Output is correct
88 Correct 17 ms 9444 KB Output is correct
89 Correct 19 ms 9416 KB Output is correct
90 Correct 6 ms 8656 KB Output is correct
91 Correct 11 ms 9316 KB Output is correct
92 Correct 11 ms 8872 KB Output is correct
93 Correct 7 ms 8940 KB Output is correct
94 Correct 11 ms 9036 KB Output is correct
95 Correct 9 ms 9040 KB Output is correct
96 Correct 8 ms 9040 KB Output is correct
97 Correct 5 ms 8528 KB Output is correct