oj.uz

Submission #789892

# Submission time Handle Problem Language Result Execution time Memory
789892 2023-07-22T06:50:04 Z lollipop The Big Prize (IOI17_prize) C++17
20 / 100
 50 ms 5248 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
//#define int long long
#define pb push_back
#define s second
#define f first
#define pf push_front
#define inf 100000000000000000
#define bitebi __builtin_popcountll
#define FOR( i , n ) for( int i = 0 ; i < n ; i ++ )
#define YES cout <<"YES\n"
#define NO cout << "NO\n"
#define debug cout << "Here Fine" << endl ;
#define pr pair < int , int >
#define fbo find_by_order // returns iterator
#define ook order_of_key // returns strictly less numbers than key
using namespace std ;
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const double Pi=acos(-1.0);
const double EPS=1E-8;
const int mod =  1000000007 ;
const int mod1 = 998244353 ;
const int N = 2e5 + 10 ;
mt19937 R(time(0));
map < int , int > ma , ma1 ;
#include "prize.h"

//static const int max_q = 10000;
//static int n;
//static int query_count = 0;
//static vector<int> g;
//static vector<vector<int> > rank_count;
//
//vector<int> ask(int i) {
//	query_count++;
//	if(query_count > max_q) {
//		cerr << "Query limit exceeded" << endl;
//		exit(0);
//	}
//
//	if(i < 0 || i >= n) {
//		cerr << "Bad index: " << i << endl;
//		exit(0);
//	}
//
//	vector<int> res(2);
//	res[0] = rank_count[g[i] - 1][i + 1];
//	res[1] = rank_count[g[i] - 1][n] - res[0];
//	return res;
//}


vector < int > qu[ N ] ; 
int been[ N ] ; 
int find_best(int n){
	int mx = 0 ;
	vector < int > pas ;  
	FOR( i , 480 ){
	   pas = ask( i ) ;
	   if( pas[ 0 ] + pas[ 1 ] == 0 ) return i ;
	   mx = max( mx , pas[ 0 ] + pas[ 1 ] ) ; 	
	}
    vector < pair < int , int > > v ; 
    FOR( i , mx ) v.pb( { 0 , n - 1 } ) ; 
	while( true ){
		int cc = 0 ; 
		FOR( i , v.size() ){
			if( been[ i ] == 1 ){
			 cc ++ ; continue ; } 
	        int mid = ( v[ i ].f + v[ i ].s ) / 2 ;
	        if( qu[ mid ].size() == 0 ) pas = ask( mid ) ;
			else pas = qu[ mid ] ; 
			qu[ mid ] = pas ; 
			if( pas[ 1 ] + pas[ 0 ] == 0 ) return mid ;
			if( v[ i ].f == v[ i ].s ) been[ i ] = 1 ;
			if( pas[ 1 ] < ( v.size() - i ) ) v[ i ].s = mid ;
			else v[ i ].f = mid + 1 ; 
		}
		if( cc == v.size() ) return 0 ; 
	}
}

//int main() {
//	cin >> n;
//
//	g.resize(n);
//	for(int i = 0; i < n; i++) {
//		cin >> g[i];
//		if(g[i] < 1) {
//			cerr << "Invalid rank " << g[i] << " at index " << i << endl;
//			exit(0);
//		}
//	}
//
//	int max_rank = *max_element(g.begin(), g.end());
//
//	rank_count.resize(max_rank + 1, vector<int>(n + 1, 0));
//	for(int r = 0; r <= max_rank; r++) {
//		for(int i = 1; i <= n; i++) {
//			rank_count[r][i] = rank_count[r][i - 1];
//			if(g[i - 1] == r)
//			  rank_count[r][i]++;
//		}
//	}
//
//	for(int i = 0; i <= n; i++)
//		for(int r = 1; r <= max_rank; r++)
//			rank_count[r][i] += rank_count[r - 1][i];
//
//	int res = find_best(n);
//	cout << res << endl << "Query count: " << query_count << endl;
//
//	return 0;
//}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:12:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define FOR( i , n ) for( int i = 0 ; i < n ; i ++ )
......
   73 |   FOR( i , v.size() ){
      |        ~~~~~~~~~~~~                      
prize.cpp:73:3: note: in expansion of macro 'FOR'
   73 |   FOR( i , v.size() ){
      |   ^~~
prize.cpp:82:17: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |    if( pas[ 1 ] < ( v.size() - i ) ) v[ i ].s = mid ;
prize.cpp:85:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |   if( cc == v.size() ) return 0 ;
      |       ~~~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5004 KB Output is correct
2 Correct 6 ms 5000 KB Output is correct
3 Correct 6 ms 4944 KB Output is correct
4 Correct 5 ms 5000 KB Output is correct
5 Correct 6 ms 4944 KB Output is correct
6 Correct 3 ms 5008 KB Output is correct
7 Correct 5 ms 5008 KB Output is correct
8 Correct 7 ms 5004 KB Output is correct
9 Correct 7 ms 5008 KB Output is correct
10 Correct 6 ms 4944 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5008 KB Output is correct
2 Correct 4 ms 5000 KB Output is correct
3 Correct 7 ms 5004 KB Output is correct
4 Correct 5 ms 5004 KB Output is correct
5 Correct 7 ms 4944 KB Output is correct
6 Correct 3 ms 5072 KB Output is correct
7 Correct 6 ms 4944 KB Output is correct
8 Correct 5 ms 5004 KB Output is correct
9 Correct 4 ms 5072 KB Output is correct
10 Correct 6 ms 4944 KB Output is correct
11 Correct 7 ms 4944 KB Output is correct
12 Correct 5 ms 5016 KB Output is correct
13 Correct 11 ms 4996 KB Output is correct
14 Correct 15 ms 5024 KB Output is correct
15 Correct 26 ms 5016 KB Output is correct
16 Partially correct 48 ms 5012 KB Partially correct - number of queries: 5040
17 Correct 6 ms 5000 KB Output is correct
18 Correct 38 ms 5024 KB Output is correct
19 Correct 6 ms 4944 KB Output is correct
20 Correct 31 ms 5060 KB Output is correct
21 Correct 27 ms 5092 KB Output is correct
22 Correct 15 ms 5068 KB Output is correct
23 Correct 5 ms 5008 KB Output is correct
24 Correct 10 ms 5000 KB Output is correct
25 Correct 19 ms 5112 KB Output is correct
26 Correct 17 ms 5128 KB Output is correct
27 Correct 8 ms 5000 KB Output is correct
28 Correct 29 ms 5064 KB Output is correct
29 Correct 34 ms 5060 KB Output is correct
30 Correct 28 ms 5120 KB Output is correct
31 Correct 5 ms 5004 KB Output is correct
32 Correct 9 ms 4996 KB Output is correct
33 Correct 2 ms 4944 KB Output is correct
34 Correct 29 ms 5016 KB Output is correct
35 Correct 7 ms 5000 KB Output is correct
36 Correct 31 ms 5064 KB Output is correct
37 Correct 10 ms 4944 KB Output is correct
38 Correct 9 ms 4944 KB Output is correct
39 Correct 20 ms 5100 KB Output is correct
40 Correct 26 ms 5072 KB Output is correct
41 Correct 35 ms 5032 KB Output is correct
42 Correct 17 ms 5112 KB Output is correct
43 Correct 17 ms 5096 KB Output is correct
44 Correct 44 ms 5064 KB Output is correct
45 Correct 38 ms 5020 KB Output is correct
46 Correct 6 ms 5004 KB Output is correct
47 Correct 37 ms 5028 KB Output is correct
48 Correct 26 ms 5024 KB Output is correct
49 Correct 37 ms 5008 KB Output is correct
50 Correct 40 ms 5064 KB Output is correct
51 Correct 25 ms 5116 KB Output is correct
52 Correct 19 ms 5248 KB Output is correct
53 Correct 4 ms 5080 KB Output is correct
54 Correct 32 ms 5108 KB Output is correct
55 Correct 6 ms 5004 KB Output is correct
56 Partially correct 34 ms 5128 KB Partially correct - number of queries: 5081
57 Correct 32 ms 5208 KB Output is correct
58 Incorrect 50 ms 5008 KB answer is not correct
59 Halted 0 ms 0 KB -