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Submission #25554

# Submission time Handle Problem Language Result Execution time Memory
25554 2017-06-23T04:43:25 Z zigui 스트랩 (JOI14_straps) C++14
100 / 100
 26 ms 32540 KB 
#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

# Verdict Execution time Memory 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 0 ms 32540 KB Output is correct
12 Correct 0 ms 32540 KB Output is correct
13 Correct 0 ms 32540 KB Output is correct
14 Correct 0 ms 32540 KB Output is correct
15 Correct 0 ms 32540 KB Output is correct
16 Correct 0 ms 32540 KB Output is correct
17 Correct 0 ms 32540 KB Output is correct
18 Correct 0 ms 32540 KB Output is correct
19 Correct 0 ms 32540 KB Output is correct
20 Correct 0 ms 32540 KB Output is correct
21 Correct 0 ms 32540 KB Output is correct
22 Correct 0 ms 32540 KB Output is correct
23 Correct 0 ms 32540 KB Output is correct
24 Correct 0 ms 32540 KB Output is correct
25 Correct 0 ms 32540 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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