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Submission #162242

# Submission time Handle Problem Language Result Execution time Memory
162242 2019-11-07T09:38:11 Z jjwdi0 스트랩 (JOI14_straps) C++11
100 / 100
 104 ms 31868 KB 
#include <bits/stdc++.h>
using namespace std;

int N, A[2005], B[2005], D[2005][4005];

int main() {
    scanf("%d", &N);
    for(int i=1; i<=N; i++) scanf("%d %d", A+i, B+i);
    for(int i=0; i<=N; i++) for(int j=0; j<=N+N; j++) D[i][j] = -1e9;
    D[0][N+1] = 0;
    int ans = 0;
    for(int i=0; i<N; i++) for(int j=0; j<=N+N; j++) {
        int k = min(N+N, j + A[i+1] - 1);
        if(~k) D[i+1][k] = max(D[i+1][k], D[i][j] + B[i+1]);
        D[i+1][j] = max(D[i+1][j], D[i][j]);
    }
    for(int i=0; i<=N; i++) ans = max(ans, D[N][N+i]);
    printf("%d\n", ans);
}

Compilation message

straps.cpp: In function 'int main()':
straps.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
straps.cpp:8:34: 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", A+i, B+i);
                             ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 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 376 KB Output is correct
5 Correct 2 ms 380 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 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 364 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 424 KB Output is correct
15 Correct 2 ms 376 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 424 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 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# 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 3 ms 760 KB Output is correct
4 Correct 3 ms 888 KB Output is correct
5 Correct 3 ms 760 KB Output is correct
6 Correct 3 ms 888 KB Output is correct
7 Correct 3 ms 892 KB Output is correct
8 Correct 19 ms 12152 KB Output is correct
9 Correct 18 ms 12152 KB Output is correct
10 Correct 19 ms 12152 KB Output is correct
11 Correct 22 ms 12152 KB Output is correct
12 Correct 55 ms 31708 KB Output is correct
13 Correct 55 ms 31812 KB Output is correct
14 Correct 55 ms 31740 KB Output is correct
15 Correct 55 ms 31864 KB Output is correct
16 Correct 54 ms 31756 KB Output is correct
17 Correct 54 ms 31708 KB Output is correct
18 Correct 89 ms 31708 KB Output is correct
19 Correct 54 ms 31736 KB Output is correct
20 Correct 54 ms 31736 KB Output is correct
21 Correct 54 ms 31740 KB Output is correct
22 Correct 54 ms 31740 KB Output is correct
23 Correct 54 ms 31680 KB Output is correct
24 Correct 54 ms 31740 KB Output is correct
25 Correct 54 ms 31736 KB Output is correct
26 Correct 69 ms 31736 KB Output is correct
27 Correct 54 ms 31736 KB Output is correct
28 Correct 54 ms 31740 KB Output is correct
29 Correct 58 ms 31736 KB Output is correct
30 Correct 55 ms 31740 KB Output is correct
31 Correct 56 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 2 ms 760 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 888 KB Output is correct
8 Correct 2 ms 784 KB Output is correct
9 Correct 18 ms 12152 KB Output is correct
10 Correct 18 ms 12152 KB Output is correct
11 Correct 19 ms 12152 KB Output is correct
12 Correct 19 ms 12280 KB Output is correct
13 Correct 19 ms 12152 KB Output is correct
14 Correct 19 ms 12152 KB Output is correct
15 Correct 19 ms 12152 KB Output is correct
16 Correct 19 ms 12152 KB Output is correct
17 Correct 104 ms 31756 KB Output is correct
18 Correct 56 ms 31708 KB Output is correct
19 Correct 55 ms 31800 KB Output is correct
20 Correct 60 ms 31864 KB Output is correct
21 Correct 54 ms 31736 KB Output is correct
22 Correct 56 ms 31708 KB Output is correct
23 Correct 54 ms 31736 KB Output is correct
24 Correct 58 ms 31764 KB Output is correct
25 Correct 54 ms 31736 KB Output is correct
26 Correct 54 ms 31736 KB Output is correct
27 Correct 54 ms 31736 KB Output is correct
28 Correct 55 ms 31740 KB Output is correct
29 Correct 56 ms 31736 KB Output is correct
30 Correct 55 ms 31736 KB Output is correct
31 Correct 54 ms 31864 KB Output is correct
32 Correct 58 ms 31736 KB Output is correct
33 Correct 54 ms 31736 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 31736 KB Output is correct
2 Correct 55 ms 31708 KB Output is correct
3 Correct 54 ms 31736 KB Output is correct
4 Correct 54 ms 31736 KB Output is correct
5 Correct 55 ms 31864 KB Output is correct
6 Correct 57 ms 31736 KB Output is correct
7 Correct 54 ms 31736 KB Output is correct
8 Correct 54 ms 31736 KB Output is correct
9 Correct 54 ms 31736 KB Output is correct
10 Correct 55 ms 31732 KB Output is correct
11 Correct 55 ms 31760 KB Output is correct
12 Correct 55 ms 31736 KB Output is correct
13 Correct 57 ms 31864 KB Output is correct
14 Correct 56 ms 31736 KB Output is correct
15 Correct 54 ms 31736 KB Output is correct
16 Correct 54 ms 31736 KB Output is correct
17 Correct 54 ms 31736 KB Output is correct
18 Correct 58 ms 31736 KB Output is correct
19 Correct 58 ms 31736 KB Output is correct
20 Correct 55 ms 31736 KB Output is correct
21 Correct 63 ms 31736 KB Output is correct
22 Correct 55 ms 31736 KB Output is correct
23 Correct 56 ms 31708 KB Output is correct
24 Correct 55 ms 31736 KB Output is correct
25 Correct 54 ms 31868 KB Output is correct