Submission #157222

# Submission time Handle Problem Language Result Execution time Memory
157222 2019-10-10T07:22:07 Z manh9203 스트랩 (JOI14_straps) C++17
95 / 100
245 ms 32304 KB
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int N = 2e3 + 5;
long long n,dp[N][N],rmq[N][20];
pair<long long,long long> rope[N];
long long get(int l,int r){
	int k = log2(r - l + 1);
	return max(rmq[l][k], rmq[r-(1<<k)+1][k]);
}
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=0;i<=n;i++) rmq[i][0] = dp[0][i];
	for(int j=1;(1<<j)<=n;j++){
		for(int i=0;i+(1<<j)-1<=n;j++){
			rmq[i][j] = max(rmq[i][j-1], rmq[i+(1<<(j-1))][j-1]);
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=i;j++){
			dp[i][j] = get(j - 1, min(n, j + rope[i].fi - 1)) + rope[i].se;
			dp[i][j] = max(dp[i][j], dp[i-1][j]);
		}
		for(int j=0;j<=n;j++){
			rmq[j][0] = dp[i][j];
		}
		for(int k=1;(1<<k)<=n;k++){
			for(int j=0;j+(1<<k)-1<=n;j++){
				rmq[j][k] = max(rmq[j][k-1], rmq[j+(1<<(k-1))][k-1]);
			}
		}
	}
	cout << max(dp[n][0], dp[n][1]);
}
# 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 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Incorrect 2 ms 376 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 2 ms 888 KB Output is correct
4 Correct 3 ms 888 KB Output is correct
5 Correct 3 ms 892 KB Output is correct
6 Correct 2 ms 888 KB Output is correct
7 Correct 2 ms 888 KB Output is correct
8 Correct 51 ms 12408 KB Output is correct
9 Correct 50 ms 12404 KB Output is correct
10 Correct 49 ms 12408 KB Output is correct
11 Correct 48 ms 12280 KB Output is correct
12 Correct 223 ms 32252 KB Output is correct
13 Correct 220 ms 32120 KB Output is correct
14 Correct 216 ms 32248 KB Output is correct
15 Correct 224 ms 32248 KB Output is correct
16 Correct 214 ms 32120 KB Output is correct
17 Correct 216 ms 32220 KB Output is correct
18 Correct 216 ms 32120 KB Output is correct
19 Correct 213 ms 32124 KB Output is correct
20 Correct 215 ms 32248 KB Output is correct
21 Correct 214 ms 32248 KB Output is correct
22 Correct 212 ms 32132 KB Output is correct
23 Correct 214 ms 32220 KB Output is correct
24 Correct 210 ms 32132 KB Output is correct
25 Correct 210 ms 32120 KB Output is correct
26 Correct 222 ms 32128 KB Output is correct
27 Correct 221 ms 32120 KB Output is correct
28 Correct 213 ms 32120 KB Output is correct
29 Correct 240 ms 32164 KB Output is correct
30 Correct 245 ms 32220 KB Output is correct
31 Correct 243 ms 32120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 888 KB Output is correct
2 Correct 3 ms 888 KB Output is correct
3 Correct 3 ms 888 KB Output is correct
4 Correct 3 ms 888 KB Output is correct
5 Correct 3 ms 888 KB Output is correct
6 Correct 3 ms 888 KB Output is correct
7 Correct 3 ms 888 KB Output is correct
8 Correct 3 ms 888 KB Output is correct
9 Correct 52 ms 12380 KB Output is correct
10 Correct 53 ms 12400 KB Output is correct
11 Correct 49 ms 12280 KB Output is correct
12 Correct 50 ms 12400 KB Output is correct
13 Correct 51 ms 12440 KB Output is correct
14 Correct 49 ms 12408 KB Output is correct
15 Correct 49 ms 12408 KB Output is correct
16 Correct 49 ms 12408 KB Output is correct
17 Correct 220 ms 32136 KB Output is correct
18 Correct 222 ms 32120 KB Output is correct
19 Correct 218 ms 32168 KB Output is correct
20 Correct 215 ms 32120 KB Output is correct
21 Correct 217 ms 32136 KB Output is correct
22 Correct 216 ms 32248 KB Output is correct
23 Correct 220 ms 32120 KB Output is correct
24 Correct 230 ms 32128 KB Output is correct
25 Correct 219 ms 32128 KB Output is correct
26 Correct 216 ms 32120 KB Output is correct
27 Correct 221 ms 32304 KB Output is correct
28 Correct 228 ms 32132 KB Output is correct
29 Correct 217 ms 32128 KB Output is correct
30 Correct 214 ms 32128 KB Output is correct
31 Correct 218 ms 32120 KB Output is correct
32 Correct 215 ms 32092 KB Output is correct
33 Correct 214 ms 32092 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 214 ms 32248 KB Output is correct
2 Correct 214 ms 32136 KB Output is correct
3 Correct 220 ms 32140 KB Output is correct
4 Correct 214 ms 32248 KB Output is correct
5 Correct 213 ms 32120 KB Output is correct
6 Correct 211 ms 32048 KB Output is correct
7 Correct 216 ms 32120 KB Output is correct
8 Correct 211 ms 32120 KB Output is correct
9 Correct 213 ms 32160 KB Output is correct
10 Correct 218 ms 32128 KB Output is correct
11 Correct 225 ms 32248 KB Output is correct
12 Correct 215 ms 32156 KB Output is correct
13 Correct 215 ms 32136 KB Output is correct
14 Correct 210 ms 32236 KB Output is correct
15 Correct 215 ms 32128 KB Output is correct
16 Correct 209 ms 32248 KB Output is correct
17 Correct 218 ms 32248 KB Output is correct
18 Correct 215 ms 32132 KB Output is correct
19 Correct 237 ms 32140 KB Output is correct
20 Correct 245 ms 32120 KB Output is correct
21 Correct 239 ms 32120 KB Output is correct
22 Correct 236 ms 32120 KB Output is correct
23 Correct 241 ms 32132 KB Output is correct
24 Correct 242 ms 32120 KB Output is correct
25 Correct 210 ms 32248 KB Output is correct