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Submission #439009

# Submission time Handle Problem Language Result Execution time Memory
439009 2021-06-29T04:14:50 Z skyberg Mountains (NOI20_mountains) C++17
79 / 100
 131 ms 5068 KB 
#include <iostream>
#include <vector>
#include <cstring>
#include <algorithm>
using namespace std;
long long int c[300000];
long long int mn[300000];
int t[100];
int main(){
    int n;
    cin >> n;
    long long int ans = 0;
    if(n >= 10005){
        cin >> c[0];
        if(c[0] >= 100){
            cout << 0;
            return 0;
        }
        t[c[0]]++;
        mn[0] = 0;
        for(int i = 1; i < n; i++){
            cin >> c[i];
            if(c[i] >= 100){
                cout << 0;
                return 0;
            }
            for(int j = 0; j < c[i]; j++){
                mn[i] += t[j];
            }
            t[c[i]]++;
        }
        memset(t, 0, sizeof(t[0])* 100);
        t[c[n - 1]]++;
        for(int i = n - 2; i >= 0; i--){
            long long int temp =0;
            for(int j = 0; j < c[i]; j++){
                temp += t[j];
            }
            ans += mn[i] * temp;
            t[c[i]]++;
        }
        cout << ans;
    }
    else{
        for(int i = 0; i < n; i++){
            cin >> c[i];
        }
        for(int i = 1; i < n - 1; i++){
            long long int a = 0, b = 0;
            for(int j = 0; j < i; j++){
                if(c[j] < c[i])a++;
            }
            for(int j = i + 1; j < n; j++){
                if(c[j] < c[i])b++;
            }
            ans += a * b;
        }
        cout << ans;
    }

    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 4920 KB Output is correct
2 Correct 67 ms 5068 KB Output is correct
3 Correct 60 ms 4932 KB Output is correct
4 Correct 61 ms 4872 KB Output is correct
5 Correct 65 ms 4964 KB Output is correct
6 Correct 81 ms 4868 KB Output is correct
7 Correct 67 ms 4960 KB Output is correct
8 Correct 62 ms 3692 KB Output is correct
9 Correct 58 ms 3756 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 4920 KB Output is correct
2 Correct 67 ms 5068 KB Output is correct
3 Correct 60 ms 4932 KB Output is correct
4 Correct 61 ms 4872 KB Output is correct
5 Correct 65 ms 4964 KB Output is correct
6 Correct 81 ms 4868 KB Output is correct
7 Correct 67 ms 4960 KB Output is correct
8 Correct 62 ms 3692 KB Output is correct
9 Correct 58 ms 3756 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 127 ms 4968 KB Output is correct
12 Correct 131 ms 4964 KB Output is correct
13 Correct 119 ms 4868 KB Output is correct
14 Correct 97 ms 4992 KB Output is correct
15 Correct 122 ms 4968 KB Output is correct
16 Correct 96 ms 4956 KB Output is correct
17 Correct 122 ms 4872 KB Output is correct
18 Correct 93 ms 4888 KB Output is correct
19 Correct 108 ms 4868 KB Output is correct
20 Correct 1 ms 204 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 89 ms 372 KB Output is correct
12 Correct 84 ms 332 KB Output is correct
13 Correct 89 ms 360 KB Output is correct
14 Correct 84 ms 360 KB Output is correct
15 Correct 86 ms 332 KB Output is correct
16 Correct 86 ms 364 KB Output is correct
17 Correct 85 ms 332 KB Output is correct
18 Correct 103 ms 332 KB Output is correct
19 Correct 90 ms 360 KB Output is correct
20 Correct 1 ms 204 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 4920 KB Output is correct
2 Correct 67 ms 5068 KB Output is correct
3 Correct 60 ms 4932 KB Output is correct
4 Correct 61 ms 4872 KB Output is correct
5 Correct 65 ms 4964 KB Output is correct
6 Correct 81 ms 4868 KB Output is correct
7 Correct 67 ms 4960 KB Output is correct
8 Correct 62 ms 3692 KB Output is correct
9 Correct 58 ms 3756 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 127 ms 4968 KB Output is correct
12 Correct 131 ms 4964 KB Output is correct
13 Correct 119 ms 4868 KB Output is correct
14 Correct 97 ms 4992 KB Output is correct
15 Correct 122 ms 4968 KB Output is correct
16 Correct 96 ms 4956 KB Output is correct
17 Correct 122 ms 4872 KB Output is correct
18 Correct 93 ms 4888 KB Output is correct
19 Correct 108 ms 4868 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Incorrect 1 ms 204 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #7
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 58 ms 4920 KB Output is correct
12 Correct 67 ms 5068 KB Output is correct
13 Correct 60 ms 4932 KB Output is correct
14 Correct 61 ms 4872 KB Output is correct
15 Correct 65 ms 4964 KB Output is correct
16 Correct 81 ms 4868 KB Output is correct
17 Correct 67 ms 4960 KB Output is correct
18 Correct 62 ms 3692 KB Output is correct
19 Correct 58 ms 3756 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 127 ms 4968 KB Output is correct
22 Correct 131 ms 4964 KB Output is correct
23 Correct 119 ms 4868 KB Output is correct
24 Correct 97 ms 4992 KB Output is correct
25 Correct 122 ms 4968 KB Output is correct
26 Correct 96 ms 4956 KB Output is correct
27 Correct 122 ms 4872 KB Output is correct
28 Correct 93 ms 4888 KB Output is correct
29 Correct 108 ms 4868 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 2 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 89 ms 372 KB Output is correct
42 Correct 84 ms 332 KB Output is correct
43 Correct 89 ms 360 KB Output is correct
44 Correct 84 ms 360 KB Output is correct
45 Correct 86 ms 332 KB Output is correct
46 Correct 86 ms 364 KB Output is correct
47 Correct 85 ms 332 KB Output is correct
48 Correct 103 ms 332 KB Output is correct
49 Correct 90 ms 360 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Incorrect 1 ms 204 KB Output isn't correct
52 Halted 0 ms 0 KB -