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Submission #157325

# Submission time Handle Problem Language Result Execution time Memory
157325 2019-10-10T17:03:14 Z karma 스트랩 (JOI14_straps) C++14
100 / 100
 26 ms 16120 KB 
#include<bits/stdc++.h>
#define FileName      "test"
#define ll            long long
#define pb            emplace_back
#define deg           first
#define c             second

using namespace std;

typedef pair<int, int> pii;
const int N = int(2e3) + 2;
const int oo = int(2e9) + 7;

int f[N][N], a[N];
int n, res = 0, nxt;
pii val[N];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    if(fopen(FileName".inp", "r")) {
       freopen(FileName".inp", "r", stdin);
       freopen(FileName".out", "w", stdout);
    }
    cin >> n;
    for(int i = 1; i <= n; ++i) cin >> val[i].deg >> val[i].c;
    sort(val + 1, val + n + 1);
    for(int i = 1; i <= n; ++i) {
       for(int j = 0; j <= n; ++j) {
           f[i][j] = max(f[i - 1][j], (j ? f[i - 1][min(j - 1 + val[i].deg, n)] + val[i].c: 0));
       }
    }
    cout << f[n][1];
}

Compilation message

straps.cpp: In function 'int main()':
straps.cpp:23:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
        freopen(FileName".inp", "r", stdin);
        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
straps.cpp:24:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
        freopen(FileName".out", "w", stdout);
        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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 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 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 380 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 380 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 380 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 2 ms 380 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 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 760 KB Output is correct
8 Correct 10 ms 8184 KB Output is correct
9 Correct 10 ms 8184 KB Output is correct
10 Correct 10 ms 8184 KB Output is correct
11 Correct 10 ms 8188 KB Output is correct
12 Correct 23 ms 15968 KB Output is correct
13 Correct 23 ms 15992 KB Output is correct
14 Correct 23 ms 15992 KB Output is correct
15 Correct 23 ms 15992 KB Output is correct
16 Correct 23 ms 15992 KB Output is correct
17 Correct 23 ms 15992 KB Output is correct
18 Correct 23 ms 15992 KB Output is correct
19 Correct 23 ms 15992 KB Output is correct
20 Correct 26 ms 15992 KB Output is correct
21 Correct 23 ms 15992 KB Output is correct
22 Correct 23 ms 16092 KB Output is correct
23 Correct 24 ms 15992 KB Output is correct
24 Correct 23 ms 15996 KB Output is correct
25 Correct 23 ms 16120 KB Output is correct
26 Correct 23 ms 15996 KB Output is correct
27 Correct 23 ms 15992 KB Output is correct
28 Correct 23 ms 16120 KB Output is correct
29 Correct 23 ms 15992 KB Output is correct
30 Correct 23 ms 15992 KB Output is correct
31 Correct 23 ms 15992 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 760 KB Output is correct
8 Correct 2 ms 760 KB Output is correct
9 Correct 10 ms 8184 KB Output is correct
10 Correct 10 ms 8184 KB Output is correct
11 Correct 10 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 10 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 10 ms 8184 KB Output is correct
16 Correct 10 ms 8184 KB Output is correct
17 Correct 23 ms 15992 KB Output is correct
18 Correct 26 ms 15996 KB Output is correct
19 Correct 23 ms 15992 KB Output is correct
20 Correct 23 ms 15992 KB Output is correct
21 Correct 23 ms 15992 KB Output is correct
22 Correct 23 ms 15992 KB Output is correct
23 Correct 23 ms 15992 KB Output is correct
24 Correct 23 ms 15992 KB Output is correct
25 Correct 23 ms 15996 KB Output is correct
26 Correct 23 ms 15992 KB Output is correct
27 Correct 23 ms 15992 KB Output is correct
28 Correct 23 ms 15992 KB Output is correct
29 Correct 23 ms 15992 KB Output is correct
30 Correct 23 ms 15992 KB Output is correct
31 Correct 23 ms 15992 KB Output is correct
32 Correct 23 ms 16120 KB Output is correct
33 Correct 23 ms 15964 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 16120 KB Output is correct
2 Correct 23 ms 15996 KB Output is correct
3 Correct 23 ms 16088 KB Output is correct
4 Correct 23 ms 16092 KB Output is correct
5 Correct 23 ms 15992 KB Output is correct
6 Correct 23 ms 15992 KB Output is correct
7 Correct 24 ms 15992 KB Output is correct
8 Correct 23 ms 16120 KB Output is correct
9 Correct 23 ms 16080 KB Output is correct
10 Correct 23 ms 15996 KB Output is correct
11 Correct 23 ms 15992 KB Output is correct
12 Correct 23 ms 15992 KB Output is correct
13 Correct 23 ms 15992 KB Output is correct
14 Correct 23 ms 16120 KB Output is correct
15 Correct 24 ms 15964 KB Output is correct
16 Correct 23 ms 15996 KB Output is correct
17 Correct 23 ms 16120 KB Output is correct
18 Correct 23 ms 15992 KB Output is correct
19 Correct 23 ms 16052 KB Output is correct
20 Correct 23 ms 16060 KB Output is correct
21 Correct 23 ms 16120 KB Output is correct
22 Correct 23 ms 16120 KB Output is correct
23 Correct 23 ms 16120 KB Output is correct
24 Correct 23 ms 16028 KB Output is correct
25 Correct 23 ms 16120 KB Output is correct