Submission #157220

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
157220	2019-10-10T07:05:52 Z	manh9203	스트랩 (JOI14_straps)	C++17	50 / 100	38 ms	31864 KB

straps

#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int N = 2e3 + 5;
long long n,dp[N][N];
pair<long long,long long> rope[N];
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n;
	for(int i=1;i<=n;i++) cin >> rope[i].fi >> rope[i].se;
	for(int i=0;i<=n;i++){
		for(int j=1;j<=n;j++){
			dp[i][j] = -1e18;
		}
	}
	sort(rope+1, rope+1+n);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=i;j++){
			dp[i][j] = max(dp[i-1][min((long long)i-1, j + rope[i].fi - 1)], dp[i-1][j-1]) + rope[i].se;
			dp[i][j] = max(dp[i][j], dp[i-1][j]);
		}
	}
	cout << max(dp[n][0], dp[n][1]);
}

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	380 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	424 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	3 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Incorrect	2 ms	376 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #2

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	1 ms	888 KB	Output is correct
3	Correct	2 ms	760 KB	Output is correct
4	Correct	2 ms	756 KB	Output is correct
5	Correct	2 ms	888 KB	Output is correct
6	Correct	2 ms	760 KB	Output is correct
7	Correct	2 ms	888 KB	Output is correct
8	Correct	12 ms	12152 KB	Output is correct
9	Correct	13 ms	12152 KB	Output is correct
10	Correct	13 ms	12152 KB	Output is correct
11	Correct	13 ms	12176 KB	Output is correct
12	Correct	33 ms	31708 KB	Output is correct
13	Correct	33 ms	31736 KB	Output is correct
14	Correct	34 ms	31736 KB	Output is correct
15	Correct	34 ms	31812 KB	Output is correct
16	Correct	34 ms	31736 KB	Output is correct
17	Correct	33 ms	31808 KB	Output is correct
18	Correct	34 ms	31736 KB	Output is correct
19	Correct	34 ms	31736 KB	Output is correct
20	Correct	37 ms	31736 KB	Output is correct
21	Correct	33 ms	31736 KB	Output is correct
22	Correct	34 ms	31736 KB	Output is correct
23	Correct	33 ms	31736 KB	Output is correct
24	Correct	33 ms	31736 KB	Output is correct
25	Correct	33 ms	31736 KB	Output is correct
26	Correct	33 ms	31864 KB	Output is correct
27	Correct	33 ms	31736 KB	Output is correct
28	Correct	33 ms	31736 KB	Output is correct
29	Correct	33 ms	31736 KB	Output is correct
30	Correct	32 ms	31736 KB	Output is correct
31	Correct	33 ms	31736 KB	Output is correct

Subtask #3

45.0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	760 KB	Output is correct
2	Correct	2 ms	760 KB	Output is correct
3	Correct	3 ms	860 KB	Output is correct
4	Correct	2 ms	760 KB	Output is correct
5	Correct	2 ms	760 KB	Output is correct
6	Correct	2 ms	760 KB	Output is correct
7	Correct	2 ms	760 KB	Output is correct
8	Correct	2 ms	760 KB	Output is correct
9	Correct	13 ms	12152 KB	Output is correct
10	Correct	13 ms	12152 KB	Output is correct
11	Correct	13 ms	12152 KB	Output is correct
12	Correct	15 ms	12252 KB	Output is correct
13	Correct	13 ms	12228 KB	Output is correct
14	Correct	13 ms	12152 KB	Output is correct
15	Correct	13 ms	12152 KB	Output is correct
16	Correct	13 ms	12152 KB	Output is correct
17	Correct	33 ms	31736 KB	Output is correct
18	Correct	33 ms	31864 KB	Output is correct
19	Correct	33 ms	31736 KB	Output is correct
20	Correct	33 ms	31736 KB	Output is correct
21	Correct	33 ms	31736 KB	Output is correct
22	Correct	33 ms	31736 KB	Output is correct
23	Correct	33 ms	31784 KB	Output is correct
24	Correct	33 ms	31736 KB	Output is correct
25	Correct	34 ms	31736 KB	Output is correct
26	Correct	34 ms	31736 KB	Output is correct
27	Correct	33 ms	31736 KB	Output is correct
28	Correct	33 ms	31736 KB	Output is correct
29	Correct	34 ms	31736 KB	Output is correct
30	Correct	33 ms	31736 KB	Output is correct
31	Correct	33 ms	31736 KB	Output is correct
32	Correct	33 ms	31736 KB	Output is correct
33	Correct	33 ms	31736 KB	Output is correct

Subtask #4

0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	38 ms	31824 KB	Output is correct
2	Correct	33 ms	31736 KB	Output is correct
3	Correct	34 ms	31864 KB	Output is correct
4	Correct	33 ms	31736 KB	Output is correct
5	Correct	33 ms	31736 KB	Output is correct
6	Incorrect	34 ms	31736 KB	Output isn't correct
7	Halted	0 ms	0 KB	-