답안 #540999

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
540999 2022-03-22T06:05:35 Z vinnipuh01 Money (IZhO17_money) C++17
25 / 100
129 ms 308 KB
#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
#define int long long

using namespace std;

const long long oo = 1000000000000000000;

long long sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

int n, a[ 1000001 ], mp[ 1000001 ];
vector <pair<int, int> > v;
set <int> vv;
int l, r;

main () {
	cin >> n;
	for ( int i = 0; i < n; i ++ )
		cin >> a[ i ];
	int bl;
	mn = oo;
	for ( int mask = 0; mask < ( 1 << n ); mask ++ ) {
		bl = ( mask & 1 );
		v.clear();
		vv.clear();
		ans = 0;
		l = 0;
		for ( int i = 0; i < n; i ++ ) {
			if ( (bool)( mask & ( 1 << i ) ) ^ (bool)bl ) {
				bl = mask & ( 1 << i );
				v.push_back( { l, i - 1 } );
				l = i;
			}
		}
		v.push_back( { l, n - 1 } );
		for ( auto i : v ) {
			for ( int j = i.first + 1; j <= i.second; j ++ ) {
				if ( a[ j ] < a[ j - 1 ] ) {
					ans = 1;
					break;
				}
			}
			if ( ans )
				break;
		}
		if ( ans )
			continue;
		for ( int j = v.front().first; j <= v.front().second; j ++ )
			vv.insert( a[ j ] );
		for ( int i = 1; i < v.size(); i ++ ) {
			auto it = vv.upper_bound( a[ v[ i ].first ] );
			if ( it != vv.end() && *it < a[ v[ i ].second ] ) {
				ans = 1;
				break;
			}
			for ( int j = v[ i ].first; j <= v[ i ].second; j ++ )
				vv.insert( a[ j ] );
		}
		if ( !ans ) {
			num = v.size();
			for ( auto i : v )
			mn = min( mn, num );
		}
	}
	cout << mn;
}

/*
6
3 6 4 5 1 2

*/

Compilation message

money.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   51 | main () {
      | ^~~~
money.cpp: In function 'int main()':
money.cpp:85:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |   for ( int i = 1; i < v.size(); i ++ ) {
      |                    ~~^~~~~~~~~~
money.cpp:96:15: warning: variable 'i' set but not used [-Wunused-but-set-variable]
   96 |    for ( auto i : v )
      |               ^
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 4 ms 308 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 119 ms 212 KB Output is correct
21 Correct 125 ms 308 KB Output is correct
22 Correct 129 ms 292 KB Output is correct
23 Correct 124 ms 308 KB Output is correct
24 Correct 116 ms 300 KB Output is correct
25 Correct 124 ms 296 KB Output is correct
26 Correct 116 ms 292 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 4 ms 308 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 119 ms 212 KB Output is correct
21 Correct 125 ms 308 KB Output is correct
22 Correct 129 ms 292 KB Output is correct
23 Correct 124 ms 308 KB Output is correct
24 Correct 116 ms 300 KB Output is correct
25 Correct 124 ms 296 KB Output is correct
26 Correct 116 ms 292 KB Output is correct
27 Incorrect 1 ms 212 KB Output isn't correct
28 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 4 ms 308 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 119 ms 212 KB Output is correct
21 Correct 125 ms 308 KB Output is correct
22 Correct 129 ms 292 KB Output is correct
23 Correct 124 ms 308 KB Output is correct
24 Correct 116 ms 300 KB Output is correct
25 Correct 124 ms 296 KB Output is correct
26 Correct 116 ms 292 KB Output is correct
27 Incorrect 1 ms 212 KB Output isn't correct
28 Halted 0 ms 0 KB -