QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#401521#1880. Nikanor Loves GamesdeepthoughtWA 73ms13352kbC++231.6kb2024-04-28 21:26:042024-04-28 21:26:04

Judging History

你现在查看的是最新测评结果

  • [2024-04-28 21:26:04]
  • 评测
  • 测评结果:WA
  • 用时:73ms
  • 内存:13352kb
  • [2024-04-28 21:26:04]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int32_t main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n;
	cin >> n;

	vector <pair <int, double>> v;
    double sum = 0.0;
	for(int i = 0; i < n; i++) {
		int a, b, x;
		cin >> a >> b >> x;
		v.push_back({a, x / 4.0});
        v.push_back({b, x / 4.0});
        sum += x / 2.0;
	}


	sort(v.begin(), v.end());
	

	// if you lose anyways get (1, 1) ?

	double ans = - sum * 2.0 - 1.0;


    n = v.size();

    double cur = 0.0;

    for(int i = 0; i < n; i++) {
        int num = v[i].first;
        double val = v[i].second;
        cur += val;
        // cout << i << " " << cur <<  " " << sum << endl;
        ans = max(ans, 2 * (cur - (sum - cur)) - num * num);
    }

    int j = 0;
    cur = 0.0;
    for(j = 0; j < n; j++) {
        int num = v[j].first;
        double val = v[j].second;
        if(num > 1) break;
        cur += val;
        // cout << i << " " << cur <<  " " << sum << endl;
        ans = max(ans, 2 * (cur - (sum - cur)) - 1);
    }
    double add = cur;
    cur = 0;
    for(; j < n; j++) {
        int num = v[j].first;
        double val = v[j].second;
        cur += val;
        // cout << j << " " << add << " " << num << " " << cur <<  " " << sum - cur << endl;
        ans = max(ans, add * 2 - num - 2 * (sum - add - cur));
    }

    int maxx = v[n - 1].first;
    cur = 0;
    for(j = 0; j < n; j++) {
        int num = v[j].first;
        double val = v[j].second;
        cur += 2 * val;
        ans = max(ans, cur - maxx * num);
    }

	cout << setprecision(12) << fixed <<  ans << endl;

}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3756kb

input:

2
1 4 15
3 5 10

output:

2.500000000000

result:

ok found '2.5000000', expected '2.5000000', error '0.0000000'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

1
2 2 8

output:

4.000000000000

result:

ok found '4.0000000', expected '4.0000000', error '0.0000000'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

3
94 68 49
51 2 63
26 85 20

output:

-73.000000000000

result:

ok found '-73.0000000', expected '-73.0000000', error '-0.0000000'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

2
14 68 12
28 2 46

output:

-16.000000000000

result:

ok found '-16.0000000', expected '-16.0000000', error '-0.0000000'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

5
6 6 8
6 1 11
6 1 13
6 1 5
5 1 2

output:

9.500000000000

result:

ok found '9.5000000', expected '9.5000000', error '0.0000000'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3940kb

input:

5
5 4 2
4 1 10
3 1 3
2 1 3
5 1 5

output:

5.500000000000

result:

ok found '5.5000000', expected '5.5000000', error '0.0000000'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

5
1 5 2
4 2 7
2 2 2
2 5 14
1 4 2

output:

4.500000000000

result:

ok found '4.5000000', expected '4.5000000', error '0.0000000'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

5
4 1 9
1 5 13
3 6 10
6 5 8
3 5 5

output:

9.000000000000

result:

ok found '9.0000000', expected '9.0000000', error '0.0000000'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

5
3 7 9
5 7 12
4 6 13
3 6 6
2 1 2

output:

-6.000000000000

result:

ok found '-6.0000000', expected '-6.0000000', error '-0.0000000'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

10
8 10 26
11 2 28
13 4 13
11 1 26
6 15 23
12 8 7
9 8 11
11 10 17
8 11 18
3 10 27

output:

32.000000000000

result:

ok found '32.0000000', expected '32.0000000', error '0.0000000'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

10
6 5 10
10 15 21
7 2 30
14 6 12
1 11 6
1 13 19
8 13 29
9 4 14
1 4 29
4 12 17

output:

12.000000000000

result:

ok found '12.0000000', expected '12.0000000', error '0.0000000'

Test #12:

score: 0
Accepted
time: 0ms
memory: 4040kb

input:

10
5 15 15
3 14 20
11 14 26
15 12 22
5 15 11
12 10 10
1 12 18
7 7 14
3 5 10
12 9 23

output:

-6.000000000000

result:

ok found '-6.0000000', expected '-6.0000000', error '-0.0000000'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

10
3 9 29
9 5 27
14 13 21
3 15 15
14 11 24
9 14 22
9 3 20
12 15 27
5 13 21
13 11 14

output:

-5.000000000000

result:

ok found '-5.0000000', expected '-5.0000000', error '-0.0000000'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

10
3 13 11
3 5 20
9 10 1
5 5 25
10 1 29
6 10 26
1 15 1
10 10 18
6 6 2
14 6 20

output:

21.000000000000

result:

ok found '21.0000000', expected '21.0000000', error '0.0000000'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

100
68 91 90
56 38 71
69 57 87
80 62 21
31 80 25
36 48 40
71 66 49
15 57 78
96 69 43
25 73 57
86 13 5
23 98 18
83 94 9
8 22 43
46 3 50
81 11 26
14 35 39
49 68 73
41 11 25
35 47 48
5 96 15
15 56 60
42 1 40
11 4 25
57 72 9
43 3 90
16 45 36
83 50 17
55 40 39
72 37 6
70 84 24
12 36 95
43 15 13
82 28 68
...

output:

35.500000000000

result:

ok found '35.5000000', expected '35.5000000', error '0.0000000'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

100
92 35 39
34 92 36
45 45 46
66 5 64
22 21 48
53 70 91
93 19 98
97 67 54
57 77 64
90 81 23
12 83 92
59 3 26
13 65 47
19 23 58
27 58 38
60 18 70
32 94 53
100 66 97
33 53 16
56 2 64
8 9 55
93 92 22
27 25 39
45 49 24
76 80 89
73 55 77
69 53 90
39 77 40
86 12 11
23 87 25
8 96 31
73 45 98
52 62 55
98 9...

output:

-100.000000000000

result:

ok found '-100.0000000', expected '-100.0000000', error '-0.0000000'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

100
20 84 93
15 45 13
28 33 2
49 41 12
12 50 59
62 89 49
11 60 42
74 84 33
14 94 85
51 2 89
26 66 87
92 12 26
47 32 84
34 16 80
20 16 27
48 34 14
54 61 66
52 47 21
41 87 3
81 45 68
24 18 94
71 23 87
12 49 34
79 6 6
91 92 56
3 15 64
22 69 41
91 3 60
21 76 79
65 41 48
46 9 35
34 54 92
68 10 1
22 82 17...

output:

25.500000000000

result:

ok found '25.5000000', expected '25.5000000', error '0.0000000'

Test #18:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

100
44 28 47
89 7 89
7 21 57
27 92 56
14 96 86
79 11 7
29 4 95
56 93 16
71 2 6
100 14 59
53 32 82
24 20 35
73 7 22
44 9 91
5 70 24
31 41 50
72 19 80
100 44 46
33 26 94
2 4 72
27 35 29
49 54 44
92 73 33
13 55 92
6 3 31
37 76 47
75 77 87
44 33 80
63 48 51
12 90 66
83 17 46
99 59 78
76 61 35
39 52 91
9...

output:

-57.000000000000

result:

ok found '-57.0000000', expected '-57.0000000', error '-0.0000000'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3984kb

input:

100
68 73 96
63 60 58
86 13 29
13 32 95
4 25 97
96 30 61
55 57 43
34 98 95
32 14 27
65 26 38
79 10 69
56 33 35
98 82 59
55 9 5
82 25 12
19 53 94
90 82 6
48 29 70
29 60 76
23 59 89
38 44 64
31 81 10
77 96 24
51 99 79
25 19 11
68 32 34
28 89 38
100 64 4
94 16 19
58 40 89
17 34 57
64 69 80
92 12 81
63 ...

output:

-81.500000000000

result:

ok found '-81.5000000', expected '-81.5000000', error '-0.0000000'

Test #20:

score: 0
Accepted
time: 46ms
memory: 13168kb

input:

200000
14 11 10
2 6 10
18 13 7
8 5 11
13 5 14
16 14 2
4 5 17
4 20 7
7 3 9
9 8 11
15 1 20
19 13 3
19 17 15
9 16 20
5 5 15
2 1 6
11 14 13
8 13 7
2 3 10
7 18 9
1 4 12
17 3 7
14 4 17
12 14 11
18 11 6
11 7 15
10 4 13
13 2 14
2 1 18
7 3 18
12 16 19
17 13 7
7 17 1
20 9 2
2 1 2
6 13 11
7 11 9
20 16 3
9 4 4
...

output:

2100856.000000000000

result:

ok found '2100856.0000000', expected '2100856.0000000', error '0.0000000'

Test #21:

score: 0
Accepted
time: 45ms
memory: 12280kb

input:

200000
18 20 15
4 20 7
1 5 6
6 8 19
3 2 5
14 17 17
2 18 18
17 18 10
8 11 11
6 9 2
1 19 11
16 18 7
13 8 13
7 9 2
6 4 12
6 9 10
5 5 6
16 2 15
18 18 1
8 9 1
8 10 11
14 18 12
19 8 8
18 11 17
9 19 1
17 3 2
3 11 15
9 17 10
12 17 6
14 17 20
10 16 11
18 2 6
16 5 3
4 2 16
3 16 16
16 11 14
4 2 4
5 8 6
17 8 9
...

output:

2101118.000000000000

result:

ok found '2101118.0000000', expected '2101118.0000000', error '0.0000000'

Test #22:

score: 0
Accepted
time: 49ms
memory: 12064kb

input:

200000
6 4 9
1 13 15
16 13 6
13 8 19
5 11 12
11 3 11
4 19 6
3 7 9
9 20 12
3 17 12
4 6 6
8 3 8
19 3 6
14 13 13
19 18 20
13 20 10
3 20 4
4 11 15
15 12 12
9 16 9
20 7 6
12 1 17
4 11 7
12 16 4
8 11 17
11 19 5
16 3 14
5 3 18
15 17 17
20 7 19
8 9 18
7 12 16
12 12 17
8 11 10
4 19 11
18 18 17
13 9 12
10 20 ...

output:

2100494.000000000000

result:

ok found '2100494.0000000', expected '2100494.0000000', error '0.0000000'

Test #23:

score: 0
Accepted
time: 49ms
memory: 12888kb

input:

200000
10 4 6
3 15 8
20 17 1
15 3 10
16 12 3
12 2 13
7 4 19
5 16 12
18 20 9
16 17 2
6 4 17
4 16 16
13 18 8
5 6 7
4 13 17
17 12 10
17 10 6
16 16 4
7 19 19
14 11 13
3 4 5
10 13 15
5 15 6
10 4 18
11 2 4
1 15 7
1 11 4
14 17 2
10 9 5
7 16 2
18 1 5
12 1 10
20 3 19
16 20 4
5 14 17
19 17 16
9 4 11
14 12 15
...

output:

2104832.000000000000

result:

ok found '2104832.0000000', expected '2104832.0000000', error '0.0000000'

Test #24:

score: 0
Accepted
time: 52ms
memory: 12676kb

input:

200000
14 9 12
13 9 5
7 10 8
13 7 10
6 2 10
9 4 3
9 12 7
3 6 11
15 12 10
1 10 9
12 19 4
17 4 16
6 5 5
19 7 6
1 3 6
20 3 14
15 5 20
7 10 4
11 13 10
15 2 5
14 13 16
12 8 20
6 15 17
4 17 20
7 18 3
12 15 10
14 19 19
10 8 6
1 1 9
14 6 4
12 2 16
13 10 4
8 15 13
20 1 19
2 1 11
5 8 15
14 16 15
19 8 18
9 19 ...

output:

2103344.000000000000

result:

ok found '2103344.0000000', expected '2103344.0000000', error '0.0000000'

Test #25:

score: 0
Accepted
time: 42ms
memory: 13028kb

input:

200000
18 17 6
14 18 10
18 18 4
15 7 14
20 3 1
18 19 6
7 17 8
8 19 7
16 20 11
18 10 19
18 13 4
13 17 20
12 20 3
6 20 20
6 18 19
20 15 18
17 12 13
11 15 4
7 11 12
16 13 14
18 10 15
14 19 1
15 2 16
18 6 11
6 2 19
2 15 17
11 15 1
6 14 13
4 5 1
20 11 3
10 6 4
18 19 19
5 18 3
17 15 5
3 8 6
11 6 2
10 11 1...

output:

2099791.000000000000

result:

ok found '2099791.0000000', expected '2099791.0000000', error '0.0000000'

Test #26:

score: 0
Accepted
time: 53ms
memory: 13352kb

input:

200000
6 17 15
12 20 7
6 18 19
2 18 17
6 16 8
15 1 16
5 2 16
6 8 6
13 9 8
15 2 17
12 3 15
5 18 4
18 11 5
13 12 15
19 12 15
20 6 14
15 10 7
7 12 17
19 6 19
1 8 18
5 15 15
16 2 19
4 6 7
12 11 13
1 13 6
16 19 4
16 19 16
2 20 17
19 13 13
7 5 2
4 3 15
7 16 13
13 9 17
1 4 19
4 15 8
17 13 5
15 2 18
5 12 11...

output:

2097689.000000000000

result:

ok found '2097689.0000000', expected '2097689.0000000', error '0.0000000'

Test #27:

score: 0
Accepted
time: 54ms
memory: 13128kb

input:

200000
6 10 9
9 13 3
1 6 19
20 18 1
17 9 7
12 20 18
7 15 9
4 17 9
10 9 10
15 3 8
18 2 2
18 7 8
3 6 18
11 13 13
15 11 4
7 14 18
13 17 1
15 13 13
15 20 10
2 15 10
16 16 10
13 17 20
17 6 6
2 8 19
16 9 5
6 20 7
10 7 7
14 11 5
14 9 16
9 15 20
2 15 18
20 5 7
9 8 19
17 1 13
5 10 3
3 12 20
12 18 17
14 17 2
...

output:

2104030.000000000000

result:

ok found '2104030.0000000', expected '2104030.0000000', error '0.0000000'

Test #28:

score: 0
Accepted
time: 41ms
memory: 11764kb

input:

200000
14 14 19
19 15 8
4 18 14
2 17 9
11 7 18
9 6 8
9 15 9
1 11 8
11 17 11
16 15 14
16 12 1
10 20 13
17 5 20
18 10 12
20 5 13
11 18 2
7 16 14
3 2 5
7 18 17
3 6 18
20 10 9
11 8 5
6 13 5
16 12 6
11 1 5
17 16 14
3 3 13
7 1 17
13 9 8
20 4 7
19 16 5
5 11 1
17 16 1
17 14 7
6 1 1
9 2 3
16 5 1
7 9 5
13 3 1...

output:

2098865.000000000000

result:

ok found '2098865.0000000', expected '2098865.0000000', error '0.0000000'

Test #29:

score: 0
Accepted
time: 48ms
memory: 12344kb

input:

200000
14 1 14
8 20 15
2 15 11
20 16 8
3 15 5
20 19 2
1 18 11
8 16 7
4 17 12
14 15 17
8 9 10
5 20 10
2 4 11
15 20 19
20 15 16
14 13 14
5 17 15
17 3 7
8 8 7
3 8 14
19 6 13
4 15 19
10 18 9
7 20 17
5 8 8
7 6 6
18 3 15
2 17 14
3 17 5
11 2 19
12 20 10
10 5 2
7 18 9
13 11 12
20 13 15
12 20 2
15 17 3
13 18...

output:

2102647.000000000000

result:

ok found '2102647.0000000', expected '2102647.0000000', error '0.0000000'

Test #30:

score: -100
Wrong Answer
time: 73ms
memory: 12696kb

input:

200000
558273441 797132086 95394395
410375788 603346154 991788394
501822655 954838746 104557620
987594944 800261563 456008910
944698458 473660405 947257686
43525951 515134254 221154267
581712330 247867513 268703732
553202136 786196487 556214428
384021989 736444004 231738414
760952860 568578734 24958...

output:

99983142490598.000000000000

result:

wrong answer 1st numbers differ - expected: '-999998979.0000000', found: '99983142490598.0000000', error = '99984.2445735'