답안 #20926 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20926	2017-03-21T17:28:40 Z	gs14004	Rope (JOI17_rope)	C++11	45 / 100	29 ms	5924 KB

rope

#include <bits/stdc++.h>
typedef long long lint;
typedef long double llf;
using namespace std;
typedef pair<int, int> pi;

int n, m, a[1000005];
int ans[11];

int solve(int s, int e, int x, int y){
	int ans = 0;
	for(int i=s+1; i<=e; i+=2){
		ans += min((a[i-1] != x) + (a[i] != x), (a[i-1] != y) + (a[i] != y));
	}
	return ans;
}

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		scanf("%d",&a[i]);
	}
	if(m > 10) return 0;
	memset(ans, 0x3f, sizeof(ans));
	if(n % 2 == 0){
		for(int i=1; i<=m; i++){
			for(int j=1; j<=i; j++){
				int x = solve(1, n, i, j);
				int y = solve(2, n-1, i, j) + (a[1] != i && a[1] != j) + (a[n] != i && a[n] != j);
				ans[i] = min({ans[i], x, y});
				ans[j] = min({ans[j], x, y});
			}
		}
	}
	else{
		for(int i=1; i<=m; i++){
			for(int j=1; j<=i; j++){
				int x = solve(1, n-1, i, j) + (a[n] != i && a[n] != j);
				int y = solve(2, n, i, j) + (a[1] != i && a[1] != j);
				ans[i] = min({ans[i], x, y});
				ans[j] = min({ans[j], x, y});
			}
		}
	}
	for(int i=1; i<=m; i++) printf("%d\n", ans[i]);
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:19:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
                      ^
rope.cpp:21:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Subtask #1
15.0 / 15.0

#	결과	메모리	Grader output
1	Correct	5924 KB	Output is correct
2	Correct	5924 KB	Output is correct
3	Correct	5924 KB	Output is correct
4	Correct	5924 KB	Output is correct
5	Correct	5924 KB	Output is correct
6	Correct	5924 KB	Output is correct
7	Correct	5924 KB	Output is correct
8	Correct	5924 KB	Output is correct
9	Correct	5924 KB	Output is correct
10	Correct	5924 KB	Output is correct
11	Correct	5924 KB	Output is correct
12	Correct	5924 KB	Output is correct
13	Correct	5924 KB	Output is correct
14	Correct	5924 KB	Output is correct
15	Correct	5924 KB	Output is correct
16	Correct	5924 KB	Output is correct
17	Correct	5924 KB	Output is correct
18	Correct	5924 KB	Output is correct
19	Correct	5924 KB	Output is correct
20	Correct	5924 KB	Output is correct
21	Correct	5924 KB	Output is correct
22	Correct	5924 KB	Output is correct
23	Correct	5924 KB	Output is correct
24	Correct	5924 KB	Output is correct
25	Correct	5924 KB	Output is correct
26	Correct	5924 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	5924 KB	Output is correct
23	Correct	0 ms	5924 KB	Output is correct
24	Correct	0 ms	5924 KB	Output is correct
25	Correct	0 ms	5924 KB	Output is correct
26	Correct	0 ms	5924 KB	Output is correct
27	Correct	23 ms	5924 KB	Output is correct
28	Correct	9 ms	5924 KB	Output is correct
29	Correct	19 ms	5924 KB	Output is correct
30	Correct	13 ms	5924 KB	Output is correct
31	Correct	29 ms	5924 KB	Output is correct
32	Correct	13 ms	5924 KB	Output is correct
33	Correct	26 ms	5924 KB	Output is correct
34	Correct	13 ms	5924 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	5924 KB	Output is correct
23	Correct	0 ms	5924 KB	Output is correct
24	Correct	0 ms	5924 KB	Output is correct
25	Correct	0 ms	5924 KB	Output is correct
26	Correct	0 ms	5924 KB	Output is correct
27	Correct	23 ms	5924 KB	Output is correct
28	Correct	9 ms	5924 KB	Output is correct
29	Correct	19 ms	5924 KB	Output is correct
30	Correct	13 ms	5924 KB	Output is correct
31	Correct	29 ms	5924 KB	Output is correct
32	Correct	13 ms	5924 KB	Output is correct
33	Correct	26 ms	5924 KB	Output is correct
34	Correct	13 ms	5924 KB	Output is correct
35	Incorrect	9 ms	5924 KB	Output isn't correct
36	Halted	0 ms	0 KB	-

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	5924 KB	Output is correct
23	Correct	0 ms	5924 KB	Output is correct
24	Correct	0 ms	5924 KB	Output is correct
25	Correct	0 ms	5924 KB	Output is correct
26	Correct	0 ms	5924 KB	Output is correct
27	Correct	23 ms	5924 KB	Output is correct
28	Correct	9 ms	5924 KB	Output is correct
29	Correct	19 ms	5924 KB	Output is correct
30	Correct	13 ms	5924 KB	Output is correct
31	Correct	29 ms	5924 KB	Output is correct
32	Correct	13 ms	5924 KB	Output is correct
33	Correct	26 ms	5924 KB	Output is correct
34	Correct	13 ms	5924 KB	Output is correct
35	Incorrect	9 ms	5924 KB	Output isn't correct
36	Halted	0 ms	0 KB	-

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	5924 KB	Output is correct
2	Correct	0 ms	5924 KB	Output is correct
3	Correct	0 ms	5924 KB	Output is correct
4	Correct	0 ms	5924 KB	Output is correct
5	Correct	0 ms	5924 KB	Output is correct
6	Correct	0 ms	5924 KB	Output is correct
7	Correct	0 ms	5924 KB	Output is correct
8	Correct	0 ms	5924 KB	Output is correct
9	Correct	0 ms	5924 KB	Output is correct
10	Correct	0 ms	5924 KB	Output is correct
11	Correct	0 ms	5924 KB	Output is correct
12	Correct	0 ms	5924 KB	Output is correct
13	Correct	0 ms	5924 KB	Output is correct
14	Correct	0 ms	5924 KB	Output is correct
15	Correct	0 ms	5924 KB	Output is correct
16	Correct	0 ms	5924 KB	Output is correct
17	Correct	0 ms	5924 KB	Output is correct
18	Correct	0 ms	5924 KB	Output is correct
19	Correct	0 ms	5924 KB	Output is correct
20	Correct	0 ms	5924 KB	Output is correct
21	Correct	0 ms	5924 KB	Output is correct
22	Correct	0 ms	5924 KB	Output is correct
23	Correct	0 ms	5924 KB	Output is correct
24	Correct	0 ms	5924 KB	Output is correct
25	Correct	0 ms	5924 KB	Output is correct
26	Correct	0 ms	5924 KB	Output is correct
27	Correct	23 ms	5924 KB	Output is correct
28	Correct	9 ms	5924 KB	Output is correct
29	Correct	19 ms	5924 KB	Output is correct
30	Correct	13 ms	5924 KB	Output is correct
31	Correct	29 ms	5924 KB	Output is correct
32	Correct	13 ms	5924 KB	Output is correct
33	Correct	26 ms	5924 KB	Output is correct
34	Correct	13 ms	5924 KB	Output is correct
35	Incorrect	9 ms	5924 KB	Output isn't correct
36	Halted	0 ms	0 KB	-

답안 #20926

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 0 / 10.0

Subtask #4 0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
0 / 10.0

Subtask #4
0 / 25.0

Subtask #5
0 / 20.0