Submission #309541

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
309541	2020-10-03T18:21:29 Z	kesochel_	Exercise Deadlines (CCO20_day1problem2)	C++14	17 / 25	20 ms	384 KB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n, ans = 0;
	cin >> n;
	if(n > 5000){
	    cout << -1 << endl;
	    return 0;
	}
	int a[n];
	
	for(int i = 0; i < n; i++){
		cin >> a[i];
	}
	
	int k = 0;
	
	for(int i = 0; i < n; i++){
		if(a[i] == n){
			k++;
		}
	}
	if(k == 0){
		cout << -1 << endl;
	} else {
		for(int i = n - 1; i >= 0; i--){
			for(int j = i; j >= 0; j--){
				if(a[j] > i){
					for(int k = j; k < i; k++){
					    swap(a[k], a[k+1]);
					}
					ans += i - j;
					break;
				}
			}
		}
		for(int i = 0; i < n; i++){
		    if(a[i] < i + 1){
		        cout << -1 << endl;

		        return 0;
		    }
		}
		
		cout << ans << endl;
	}
}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	384 KB	Output is correct
2	Correct	6 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	9 ms	384 KB	Output is correct
6	Correct	9 ms	384 KB	Output is correct
7	Correct	12 ms	384 KB	Output is correct
8	Correct	11 ms	384 KB	Output is correct
9	Correct	6 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	14 ms	384 KB	Output is correct
12	Correct	15 ms	384 KB	Output is correct
13	Correct	11 ms	384 KB	Output is correct
14	Correct	12 ms	384 KB	Output is correct
15	Correct	4 ms	288 KB	Output is correct
16	Correct	6 ms	384 KB	Output is correct
17	Correct	19 ms	384 KB	Output is correct
18	Correct	16 ms	384 KB	Output is correct
19	Correct	12 ms	384 KB	Output is correct
20	Correct	12 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	11 ms	384 KB	Output is correct
23	Correct	13 ms	384 KB	Output is correct
24	Correct	12 ms	384 KB	Output is correct
25	Correct	9 ms	384 KB	Output is correct
26	Correct	9 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	6 ms	384 KB	Output is correct
29	Correct	10 ms	256 KB	Output is correct
30	Correct	17 ms	384 KB	Output is correct
31	Correct	9 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	20 ms	384 KB	Output is correct
34	Correct	20 ms	384 KB	Output is correct
35	Correct	8 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	20 ms	384 KB	Output is correct
38	Correct	20 ms	376 KB	Output is correct
39	Correct	7 ms	384 KB	Output is correct
40	Correct	7 ms	384 KB	Output is correct
41	Correct	3 ms	384 KB	Output is correct
42	Correct	7 ms	384 KB	Output is correct
43	Correct	3 ms	384 KB	Output is correct
44	Correct	1 ms	256 KB	Output is correct
45	Correct	0 ms	256 KB	Output is correct

Subtask #2

0.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	384 KB	Output is correct
2	Correct	6 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	9 ms	384 KB	Output is correct
6	Correct	9 ms	384 KB	Output is correct
7	Correct	12 ms	384 KB	Output is correct
8	Correct	11 ms	384 KB	Output is correct
9	Correct	6 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	14 ms	384 KB	Output is correct
12	Correct	15 ms	384 KB	Output is correct
13	Correct	11 ms	384 KB	Output is correct
14	Correct	12 ms	384 KB	Output is correct
15	Correct	4 ms	288 KB	Output is correct
16	Correct	6 ms	384 KB	Output is correct
17	Correct	19 ms	384 KB	Output is correct
18	Correct	16 ms	384 KB	Output is correct
19	Correct	12 ms	384 KB	Output is correct
20	Correct	12 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	11 ms	384 KB	Output is correct
23	Correct	13 ms	384 KB	Output is correct
24	Correct	12 ms	384 KB	Output is correct
25	Correct	9 ms	384 KB	Output is correct
26	Correct	9 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	6 ms	384 KB	Output is correct
29	Correct	10 ms	256 KB	Output is correct
30	Correct	17 ms	384 KB	Output is correct
31	Correct	9 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	20 ms	384 KB	Output is correct
34	Correct	20 ms	384 KB	Output is correct
35	Correct	8 ms	384 KB	Output is correct
36	Correct	3 ms	384 KB	Output is correct
37	Correct	20 ms	384 KB	Output is correct
38	Correct	20 ms	376 KB	Output is correct
39	Correct	7 ms	384 KB	Output is correct
40	Correct	7 ms	384 KB	Output is correct
41	Correct	3 ms	384 KB	Output is correct
42	Correct	7 ms	384 KB	Output is correct
43	Correct	3 ms	384 KB	Output is correct
44	Correct	1 ms	256 KB	Output is correct
45	Correct	0 ms	256 KB	Output is correct
46	Incorrect	0 ms	256 KB	Output isn't correct
47	Halted	0 ms	0 KB	-