oj.uz

Submission #122730

# Submission time Handle Problem Language Result Execution time Memory
122730 2019-06-29T07:43:24 Z win11905 Two Antennas (JOI19_antennas) C++11
13 / 100
 113 ms 19704 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 2005;

int n, m;
int h[N], x[N], y[N];
int cost[N][N];

int main() {
    memset(cost, -1, sizeof cost);
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i) 
        scanf("%d %d %d", h+i, x+i, y+i);
    for(int i = 1; i <= n; ++i) {
        for(int j = i+x[i]; j <= min(n, i+y[i]); ++j) {
            if(x[j] <= j-i && j-i <= y[j]) cost[i][j] = max(cost[i][j], abs(h[i] - h[j]));
        }
    }
    for(int sz = 2; sz <= n; ++sz) {
        for(int l = 1, r = sz; r <= n; ++l, ++r) {
            cost[l][r] = max({cost[l][r], cost[l+1][r], cost[l][r-1]});
        }
    }
    scanf("%d", &m);
    while(m--) {
        int l, r; scanf("%d %d", &l, &r);
        printf("%d\n", cost[l][r]);
    }
}

Compilation message

antennas.cpp: In function 'int main()':
antennas.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
antennas.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", h+i, x+i, y+i);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
antennas.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &m);
     ~~~~~^~~~~~~~~~
antennas.cpp:27:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int l, r; scanf("%d %d", &l, &r);
                   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 15992 KB Output is correct
2 Correct 14 ms 15992 KB Output is correct
3 Correct 17 ms 16120 KB Output is correct
4 Correct 15 ms 15992 KB Output is correct
5 Correct 14 ms 15992 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 14 ms 15992 KB Output is correct
8 Correct 15 ms 15992 KB Output is correct
9 Correct 15 ms 15992 KB Output is correct
10 Correct 15 ms 15992 KB Output is correct
11 Correct 14 ms 16068 KB Output is correct
12 Correct 15 ms 16120 KB Output is correct
13 Correct 14 ms 15992 KB Output is correct
14 Correct 15 ms 15992 KB Output is correct
15 Correct 17 ms 16120 KB Output is correct
16 Correct 14 ms 15992 KB Output is correct
17 Correct 14 ms 15992 KB Output is correct
18 Correct 15 ms 16120 KB Output is correct
19 Correct 14 ms 15992 KB Output is correct
20 Correct 14 ms 15992 KB Output is correct
21 Correct 15 ms 15992 KB Output is correct
22 Correct 15 ms 15992 KB Output is correct
23 Correct 15 ms 15992 KB Output is correct
24 Correct 14 ms 15996 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 15992 KB Output is correct
2 Correct 14 ms 15992 KB Output is correct
3 Correct 17 ms 16120 KB Output is correct
4 Correct 15 ms 15992 KB Output is correct
5 Correct 14 ms 15992 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 14 ms 15992 KB Output is correct
8 Correct 15 ms 15992 KB Output is correct
9 Correct 15 ms 15992 KB Output is correct
10 Correct 15 ms 15992 KB Output is correct
11 Correct 14 ms 16068 KB Output is correct
12 Correct 15 ms 16120 KB Output is correct
13 Correct 14 ms 15992 KB Output is correct
14 Correct 15 ms 15992 KB Output is correct
15 Correct 17 ms 16120 KB Output is correct
16 Correct 14 ms 15992 KB Output is correct
17 Correct 14 ms 15992 KB Output is correct
18 Correct 15 ms 16120 KB Output is correct
19 Correct 14 ms 15992 KB Output is correct
20 Correct 14 ms 15992 KB Output is correct
21 Correct 15 ms 15992 KB Output is correct
22 Correct 15 ms 15992 KB Output is correct
23 Correct 15 ms 15992 KB Output is correct
24 Correct 14 ms 15996 KB Output is correct
25 Correct 72 ms 18524 KB Output is correct
26 Correct 29 ms 16376 KB Output is correct
27 Correct 105 ms 19648 KB Output is correct
28 Correct 113 ms 19704 KB Output is correct
29 Correct 71 ms 18588 KB Output is correct
30 Correct 80 ms 18424 KB Output is correct
31 Correct 81 ms 18936 KB Output is correct
32 Correct 112 ms 19576 KB Output is correct
33 Correct 105 ms 19320 KB Output is correct
34 Correct 64 ms 17784 KB Output is correct
35 Correct 101 ms 19632 KB Output is correct
36 Correct 110 ms 19704 KB Output is correct
37 Correct 72 ms 17572 KB Output is correct
38 Correct 106 ms 18756 KB Output is correct
39 Correct 34 ms 16504 KB Output is correct
40 Correct 106 ms 18732 KB Output is correct
41 Correct 83 ms 18040 KB Output is correct
42 Correct 106 ms 18724 KB Output is correct
43 Correct 49 ms 16888 KB Output is correct
44 Correct 107 ms 18752 KB Output is correct
45 Correct 36 ms 16504 KB Output is correct
46 Correct 107 ms 18660 KB Output is correct
47 Correct 44 ms 16760 KB Output is correct
48 Correct 107 ms 18680 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Execution timed out 17 ms 16120 KB Time limit exceeded (wall clock)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 15992 KB Output is correct
2 Correct 14 ms 15992 KB Output is correct
3 Correct 17 ms 16120 KB Output is correct
4 Correct 15 ms 15992 KB Output is correct
5 Correct 14 ms 15992 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 14 ms 15992 KB Output is correct
8 Correct 15 ms 15992 KB Output is correct
9 Correct 15 ms 15992 KB Output is correct
10 Correct 15 ms 15992 KB Output is correct
11 Correct 14 ms 16068 KB Output is correct
12 Correct 15 ms 16120 KB Output is correct
13 Correct 14 ms 15992 KB Output is correct
14 Correct 15 ms 15992 KB Output is correct
15 Correct 17 ms 16120 KB Output is correct
16 Correct 14 ms 15992 KB Output is correct
17 Correct 14 ms 15992 KB Output is correct
18 Correct 15 ms 16120 KB Output is correct
19 Correct 14 ms 15992 KB Output is correct
20 Correct 14 ms 15992 KB Output is correct
21 Correct 15 ms 15992 KB Output is correct
22 Correct 15 ms 15992 KB Output is correct
23 Correct 15 ms 15992 KB Output is correct
24 Correct 14 ms 15996 KB Output is correct
25 Correct 72 ms 18524 KB Output is correct
26 Correct 29 ms 16376 KB Output is correct
27 Correct 105 ms 19648 KB Output is correct
28 Correct 113 ms 19704 KB Output is correct
29 Correct 71 ms 18588 KB Output is correct
30 Correct 80 ms 18424 KB Output is correct
31 Correct 81 ms 18936 KB Output is correct
32 Correct 112 ms 19576 KB Output is correct
33 Correct 105 ms 19320 KB Output is correct
34 Correct 64 ms 17784 KB Output is correct
35 Correct 101 ms 19632 KB Output is correct
36 Correct 110 ms 19704 KB Output is correct
37 Correct 72 ms 17572 KB Output is correct
38 Correct 106 ms 18756 KB Output is correct
39 Correct 34 ms 16504 KB Output is correct
40 Correct 106 ms 18732 KB Output is correct
41 Correct 83 ms 18040 KB Output is correct
42 Correct 106 ms 18724 KB Output is correct
43 Correct 49 ms 16888 KB Output is correct
44 Correct 107 ms 18752 KB Output is correct
45 Correct 36 ms 16504 KB Output is correct
46 Correct 107 ms 18660 KB Output is correct
47 Correct 44 ms 16760 KB Output is correct
48 Correct 107 ms 18680 KB Output is correct
49 Execution timed out 17 ms 16120 KB Time limit exceeded (wall clock)
50 Halted 0 ms 0 KB -