답안 #25554 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
25554	2017-06-23T04:43:25 Z	zigui	스트랩 (JOI14_straps)	C++14	100 / 100	26 ms	32540 KB

straps

#include<stdio.h>
#include<vector>
#include<algorithm>
#include<set>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MX = 2005;

ll T[MX][MX];
pii D[MX];
int N;

int main()
{
	scanf("%d", &N);
	for(int i = 1; i <= N; i++) scanf("%d%d", &D[i].first, &D[i].second), D[i].first--;
	sort(D+1, D+N+1);
	reverse(D+1, D+N+1);
	for(int i = 2; i <= N; i++) T[0][i] = -2e9;
	for(int i = 1; i <= N; i++){
		for(int j = 0; j <= N; j++) T[i][j] = T[i-1][j];
		for(int j = 0; j <= N; j++){
			int w = j + D[i].first;
			if( w < 0 ) continue;
			if( w > N ) w = N;
			T[i][w] = max(T[i][w], T[i-1][j] + D[i].second);
		}
	}
	ll mx = 0;
	for(int i = 0; i <= N; i++) mx = max(mx, T[N][i]);
	printf("%lld\n", mx);
}

Compilation message

straps.cpp: In function 'int main()':
straps.cpp:20:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
straps.cpp:21:84: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i <= N; i++) scanf("%d%d", &D[i].first, &D[i].second), D[i].first--;
                                                                                    ^

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	32540 KB	Output is correct
2	Correct	32540 KB	Output is correct
3	Correct	32540 KB	Output is correct
4	Correct	32540 KB	Output is correct
5	Correct	32540 KB	Output is correct
6	Correct	32540 KB	Output is correct
7	Correct	32540 KB	Output is correct
8	Correct	32540 KB	Output is correct
9	Correct	32540 KB	Output is correct
10	Correct	32540 KB	Output is correct
11	Correct	32540 KB	Output is correct
12	Correct	32540 KB	Output is correct
13	Correct	32540 KB	Output is correct
14	Correct	32540 KB	Output is correct
15	Correct	32540 KB	Output is correct
16	Correct	32540 KB	Output is correct
17	Correct	32540 KB	Output is correct
18	Correct	32540 KB	Output is correct
19	Correct	32540 KB	Output is correct
20	Correct	32540 KB	Output is correct
21	Correct	32540 KB	Output is correct
22	Correct	32540 KB	Output is correct
23	Correct	32540 KB	Output is correct
24	Correct	32540 KB	Output is correct
25	Correct	32540 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	32540 KB	Output is correct
2	Correct	0 ms	32540 KB	Output is correct
3	Correct	0 ms	32540 KB	Output is correct
4	Correct	0 ms	32540 KB	Output is correct
5	Correct	0 ms	32540 KB	Output is correct
6	Correct	0 ms	32540 KB	Output is correct
7	Correct	0 ms	32540 KB	Output is correct
8	Correct	3 ms	32540 KB	Output is correct
9	Correct	3 ms	32540 KB	Output is correct
10	Correct	6 ms	32540 KB	Output is correct
11	Correct	0 ms	32540 KB	Output is correct
12	Correct	13 ms	32540 KB	Output is correct
13	Correct	6 ms	32540 KB	Output is correct
14	Correct	6 ms	32540 KB	Output is correct
15	Correct	6 ms	32540 KB	Output is correct
16	Correct	19 ms	32540 KB	Output is correct
17	Correct	9 ms	32540 KB	Output is correct
18	Correct	13 ms	32540 KB	Output is correct
19	Correct	6 ms	32540 KB	Output is correct
20	Correct	6 ms	32540 KB	Output is correct
21	Correct	13 ms	32540 KB	Output is correct
22	Correct	16 ms	32540 KB	Output is correct
23	Correct	9 ms	32540 KB	Output is correct
24	Correct	13 ms	32540 KB	Output is correct
25	Correct	9 ms	32540 KB	Output is correct
26	Correct	13 ms	32540 KB	Output is correct
27	Correct	23 ms	32540 KB	Output is correct
28	Correct	9 ms	32540 KB	Output is correct
29	Correct	16 ms	32540 KB	Output is correct
30	Correct	13 ms	32540 KB	Output is correct
31	Correct	13 ms	32540 KB	Output is correct

Subtask #3
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	32540 KB	Output is correct
2	Correct	0 ms	32540 KB	Output is correct
3	Correct	0 ms	32540 KB	Output is correct
4	Correct	0 ms	32540 KB	Output is correct
5	Correct	0 ms	32540 KB	Output is correct
6	Correct	0 ms	32540 KB	Output is correct
7	Correct	0 ms	32540 KB	Output is correct
8	Correct	0 ms	32540 KB	Output is correct
9	Correct	0 ms	32540 KB	Output is correct
10	Correct	0 ms	32540 KB	Output is correct
11	Correct	6 ms	32540 KB	Output is correct
12	Correct	0 ms	32540 KB	Output is correct
13	Correct	3 ms	32540 KB	Output is correct
14	Correct	3 ms	32540 KB	Output is correct
15	Correct	3 ms	32540 KB	Output is correct
16	Correct	6 ms	32540 KB	Output is correct
17	Correct	13 ms	32540 KB	Output is correct
18	Correct	13 ms	32540 KB	Output is correct
19	Correct	9 ms	32540 KB	Output is correct
20	Correct	16 ms	32540 KB	Output is correct
21	Correct	16 ms	32540 KB	Output is correct
22	Correct	13 ms	32540 KB	Output is correct
23	Correct	9 ms	32540 KB	Output is correct
24	Correct	3 ms	32540 KB	Output is correct
25	Correct	23 ms	32540 KB	Output is correct
26	Correct	26 ms	32540 KB	Output is correct
27	Correct	23 ms	32540 KB	Output is correct
28	Correct	19 ms	32540 KB	Output is correct
29	Correct	23 ms	32540 KB	Output is correct
30	Correct	9 ms	32540 KB	Output is correct
31	Correct	6 ms	32540 KB	Output is correct
32	Correct	9 ms	32540 KB	Output is correct
33	Correct	9 ms	32540 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	32540 KB	Output is correct
2	Correct	6 ms	32540 KB	Output is correct
3	Correct	9 ms	32540 KB	Output is correct
4	Correct	9 ms	32540 KB	Output is correct
5	Correct	13 ms	32540 KB	Output is correct
6	Correct	3 ms	32540 KB	Output is correct
7	Correct	19 ms	32540 KB	Output is correct
8	Correct	16 ms	32540 KB	Output is correct
9	Correct	3 ms	32540 KB	Output is correct
10	Correct	6 ms	32540 KB	Output is correct
11	Correct	9 ms	32540 KB	Output is correct
12	Correct	9 ms	32540 KB	Output is correct
13	Correct	9 ms	32540 KB	Output is correct
14	Correct	6 ms	32540 KB	Output is correct
15	Correct	19 ms	32540 KB	Output is correct
16	Correct	13 ms	32540 KB	Output is correct
17	Correct	9 ms	32540 KB	Output is correct
18	Correct	16 ms	32540 KB	Output is correct
19	Correct	6 ms	32540 KB	Output is correct
20	Correct	16 ms	32540 KB	Output is correct
21	Correct	9 ms	32540 KB	Output is correct
22	Correct	16 ms	32540 KB	Output is correct
23	Correct	23 ms	32540 KB	Output is correct
24	Correct	16 ms	32540 KB	Output is correct
25	Correct	9 ms	32540 KB	Output is correct

답안 #25554

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 45.0 / 45.0

Subtask #4 45.0 / 45.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
45.0 / 45.0

Subtask #4
45.0 / 45.0