oj.uz

Submission #718898

# Submission time Handle Problem Language Result Execution time Memory
718898 2023-04-05T06:05:05 Z vinnipuh01 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 195 ms 2296 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 double
#define sqrt sqrtl

using namespace std;

const long long oo = 1e9;

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


/*
    ViHHiPuh

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


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


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

long long n, m;
pair<int, int> a[ 501 ];
int dp[ 501 ][ 501 ];


main () {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin >> n >> m;
	for ( long long i = 1; i <= n; i ++ ) {
		cin >> a[ i ].second >> a[ i ].first;
		if ( a[ i ].first == -1 )
			a[ i ].first = oo;
	}
	for ( long long i = 1; i <= n; i ++ )	
		dp[ 0 ][ i ] = oo;
	ans = oo;
	sort( a + 1, a + n + 1 );
	for ( long long k = 0; k <= m; k ++ ) {
		for ( long long i = 1; i <= n; i ++ ) {
			for ( long long j = 1; j <= n; j ++ )
				dp[ i ][ j ] = oo;
		}
		for ( long long i = 1; i <= n; i ++ ) {
			num = i;
			if ( num <= k )
				dp[ i ][ 0 ] = dp[ i - 1 ][ 0 ] + a[ i ].first / num;
			else
				dp[ i ][ 0 ] = dp[ i - 1 ][ 0 ];
			for ( long long j = 1; j <= min( i, m ); j ++ ) {
				num = i - j;
				if ( num <= k )
					dp[ i ][ j ] = min( dp[ i - 1 ][ j - 1 ] + a[ i ].second / ( k + 1 ), dp[ i - 1 ][ j ] + a[ i ].first / num );
				else
					dp[ i ][ j ] = min( dp[ i - 1 ][ j - 1 ] + a[ i ].second / ( k + 1 ), dp[ i - 1 ][ j ] );
//				cout << k << " " << i << " " << j << " - " << dp[ i ][ j ] << " " << num << "\n";
			}
		}
//		cout << k << " - " << dp[ n ][ m - k ] << "\n";
		ans = min( ans, dp[ n ][ m - k ] );
	}
	cout << fixed << setprecision(4) << ans;
}

Compilation message

Main.cpp:50:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main () {
      | ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 13 ms 2292 KB Output is correct
6 Correct 35 ms 2260 KB Output is correct
7 Correct 87 ms 2276 KB Output is correct
8 Correct 155 ms 2268 KB Output is correct
9 Correct 181 ms 2276 KB Output is correct
10 Correct 118 ms 2260 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 13 ms 2292 KB Output is correct
6 Correct 35 ms 2260 KB Output is correct
7 Correct 87 ms 2276 KB Output is correct
8 Correct 155 ms 2268 KB Output is correct
9 Correct 181 ms 2276 KB Output is correct
10 Correct 118 ms 2260 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 39 ms 2260 KB Output is correct
13 Correct 42 ms 2276 KB Output is correct
14 Correct 42 ms 2260 KB Output is correct
15 Correct 148 ms 2272 KB Output is correct
16 Correct 134 ms 2268 KB Output is correct
17 Correct 130 ms 2276 KB Output is correct
18 Correct 186 ms 2260 KB Output is correct
19 Correct 179 ms 2276 KB Output is correct
20 Correct 176 ms 2272 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 328 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 708 KB Output is correct
42 Correct 1 ms 724 KB Output is correct
43 Correct 1 ms 724 KB Output is correct
44 Correct 1 ms 724 KB Output is correct
45 Correct 1 ms 596 KB Output is correct
46 Correct 1 ms 724 KB Output is correct
47 Correct 2 ms 596 KB Output is correct
48 Correct 2 ms 712 KB Output is correct
49 Correct 2 ms 724 KB Output is correct
50 Correct 2 ms 596 KB Output is correct
51 Correct 3 ms 596 KB Output is correct
52 Correct 3 ms 724 KB Output is correct
53 Correct 2 ms 712 KB Output is correct
54 Correct 2 ms 724 KB Output is correct
55 Correct 2 ms 724 KB Output is correct
56 Correct 2 ms 724 KB Output is correct
57 Correct 2 ms 596 KB Output is correct
58 Correct 2 ms 724 KB Output is correct
59 Correct 2 ms 724 KB Output is correct
60 Correct 3 ms 724 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 2260 KB Output is correct
2 Correct 194 ms 2276 KB Output is correct
3 Correct 183 ms 2280 KB Output is correct
4 Correct 195 ms 2280 KB Output is correct
5 Correct 189 ms 2244 KB Output is correct
6 Correct 179 ms 2276 KB Output is correct
7 Correct 187 ms 2280 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 13 ms 2292 KB Output is correct
6 Correct 35 ms 2260 KB Output is correct
7 Correct 87 ms 2276 KB Output is correct
8 Correct 155 ms 2268 KB Output is correct
9 Correct 181 ms 2276 KB Output is correct
10 Correct 118 ms 2260 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 39 ms 2260 KB Output is correct
13 Correct 42 ms 2276 KB Output is correct
14 Correct 42 ms 2260 KB Output is correct
15 Correct 148 ms 2272 KB Output is correct
16 Correct 134 ms 2268 KB Output is correct
17 Correct 130 ms 2276 KB Output is correct
18 Correct 186 ms 2260 KB Output is correct
19 Correct 179 ms 2276 KB Output is correct
20 Correct 176 ms 2272 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 328 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 324 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 328 KB Output is correct
46 Correct 1 ms 324 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 328 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 1 ms 708 KB Output is correct
62 Correct 1 ms 724 KB Output is correct
63 Correct 1 ms 724 KB Output is correct
64 Correct 1 ms 724 KB Output is correct
65 Correct 1 ms 596 KB Output is correct
66 Correct 1 ms 724 KB Output is correct
67 Correct 2 ms 596 KB Output is correct
68 Correct 2 ms 712 KB Output is correct
69 Correct 2 ms 724 KB Output is correct
70 Correct 2 ms 596 KB Output is correct
71 Correct 3 ms 596 KB Output is correct
72 Correct 3 ms 724 KB Output is correct
73 Correct 2 ms 712 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 2 ms 724 KB Output is correct
76 Correct 2 ms 724 KB Output is correct
77 Correct 2 ms 596 KB Output is correct
78 Correct 2 ms 724 KB Output is correct
79 Correct 2 ms 724 KB Output is correct
80 Correct 3 ms 724 KB Output is correct
81 Correct 194 ms 2260 KB Output is correct
82 Correct 194 ms 2276 KB Output is correct
83 Correct 183 ms 2280 KB Output is correct
84 Correct 195 ms 2280 KB Output is correct
85 Correct 189 ms 2244 KB Output is correct
86 Correct 179 ms 2276 KB Output is correct
87 Correct 187 ms 2280 KB Output is correct
88 Correct 11 ms 2260 KB Output is correct
89 Correct 12 ms 2248 KB Output is correct
90 Correct 35 ms 2260 KB Output is correct
91 Correct 32 ms 2276 KB Output is correct
92 Correct 80 ms 2260 KB Output is correct
93 Correct 82 ms 2296 KB Output is correct
94 Correct 131 ms 2260 KB Output is correct
95 Correct 125 ms 2260 KB Output is correct
96 Correct 182 ms 2260 KB Output is correct
97 Correct 178 ms 2284 KB Output is correct
98 Correct 114 ms 2272 KB Output is correct
99 Correct 142 ms 2252 KB Output is correct
100 Correct 133 ms 2248 KB Output is correct
101 Correct 119 ms 2272 KB Output is correct
102 Correct 139 ms 2280 KB Output is correct
103 Correct 132 ms 2276 KB Output is correct
104 Correct 121 ms 2276 KB Output is correct
105 Correct 146 ms 2280 KB Output is correct