oj.uz

Submission #70465

# Submission time Handle Problem Language Result Execution time Memory
70465 2018-08-23T02:22:39 Z Diuven None (JOI16_ho_t1) C++14
100 / 100
 139 ms 5616 KB 
#include <cstdio>
typedef long long ll;
const int inf=2e9;
const ll linf=2e18;

ll min(ll a, ll b){ return a<b ? a : b; }
ll max(ll a, ll b){ return a>b ? a : b; }

int n, m, k, A[20010];
ll D[20010];

ll d(int i){
    if(D[i]>=0) return D[i];
    D[i]=linf;
    for(int s=1, a=-inf, b=inf; s<=m; s++){
        if(i<s) break;
        a=max(a, A[i-s+1]), b=min(b, A[i-s+1]);
        D[i]=min(D[i], d(i-s)+k+s*ll(a-b));
    }
    return D[i];
}

int main(){
    scanf("%d%d%d", &n, &m, &k);
    for(int i=1; i<=n; i++) scanf("%d", A+i);

    for(int i=1; i<=n; i++) D[i]=-1;
    D[0]=0;

    printf("%lld\n", d(n));
    return 0;
}

Compilation message

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:25:34: 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", A+i);
                             ~~~~~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# 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 436 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 3 ms 548 KB Output is correct
7 Correct 2 ms 580 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 3 ms 588 KB Output is correct
10 Correct 2 ms 664 KB Output is correct
11 Correct 2 ms 700 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 724 KB Output is correct

Subtask #2
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 884 KB Output is correct
2 Correct 4 ms 924 KB Output is correct
3 Correct 4 ms 960 KB Output is correct
4 Correct 4 ms 996 KB Output is correct
5 Correct 3 ms 996 KB Output is correct
6 Correct 5 ms 1080 KB Output is correct
7 Correct 4 ms 1080 KB Output is correct
8 Correct 5 ms 1092 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 6 ms 1148 KB Output is correct
11 Correct 4 ms 1204 KB Output is correct
12 Correct 4 ms 1204 KB Output is correct
13 Correct 4 ms 1204 KB Output is correct
14 Correct 3 ms 1216 KB Output is correct
15 Correct 4 ms 1364 KB Output is correct

Subtask #3
30.0 / 30.0

# 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 436 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 3 ms 548 KB Output is correct
7 Correct 2 ms 580 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 3 ms 588 KB Output is correct
10 Correct 2 ms 664 KB Output is correct
11 Correct 2 ms 700 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 724 KB Output is correct
16 Correct 3 ms 884 KB Output is correct
17 Correct 4 ms 924 KB Output is correct
18 Correct 4 ms 960 KB Output is correct
19 Correct 4 ms 996 KB Output is correct
20 Correct 3 ms 996 KB Output is correct
21 Correct 5 ms 1080 KB Output is correct
22 Correct 4 ms 1080 KB Output is correct
23 Correct 5 ms 1092 KB Output is correct
24 Correct 4 ms 1108 KB Output is correct
25 Correct 6 ms 1148 KB Output is correct
26 Correct 4 ms 1204 KB Output is correct
27 Correct 4 ms 1204 KB Output is correct
28 Correct 4 ms 1204 KB Output is correct
29 Correct 3 ms 1216 KB Output is correct
30 Correct 4 ms 1364 KB Output is correct
31 Correct 53 ms 3092 KB Output is correct
32 Correct 57 ms 3248 KB Output is correct
33 Correct 103 ms 3484 KB Output is correct
34 Correct 130 ms 3640 KB Output is correct
35 Correct 59 ms 3836 KB Output is correct
36 Correct 103 ms 4160 KB Output is correct
37 Correct 131 ms 4356 KB Output is correct
38 Correct 139 ms 4552 KB Output is correct
39 Correct 110 ms 4656 KB Output is correct
40 Correct 102 ms 4820 KB Output is correct
41 Correct 99 ms 4980 KB Output is correct
42 Correct 99 ms 5128 KB Output is correct
43 Correct 61 ms 5388 KB Output is correct
44 Correct 85 ms 5428 KB Output is correct
45 Correct 68 ms 5616 KB Output is correct