oj.uz

Submission #101864

# Submission time Handle Problem Language Result Execution time Memory
101864 2019-03-20T15:06:20 Z rocketninja7 Safety (NOI18_safety) C++14
100 / 100
 405 ms 20600 KB 
#include <cstdio>
#include <vector>
#include <set>
using namespace std;
int main(){
    int N;
    long long int H;
    scanf("%d%lld", &N, &H);
    long long int S[N+1];
    for(int i=1;i<N+1;i++){
        scanf("%lld", &S[i]);
    }
    multiset<long long int> pointsL;
    multiset<long long int> pointsR;
    pointsL.insert(-1);
    pointsR.insert(1000000001);
    long long int ans=0;
    for(int i=1;i<N+1;i++){
        if(S[i]<*(--pointsL.end())-H*i){
            pointsL.insert(S[i]+H*i);
            pointsL.insert(S[i]+H*i);
            pointsR.insert((*(--pointsL.end()))-2*H*i);
            pointsL.erase(--pointsL.end());
            ans+=(*pointsR.begin())+H*i-S[i];
        }
        else if(S[i]>*pointsR.begin()+H*i){
            pointsR.insert(S[i]-H*i);
            pointsR.insert(S[i]-H*i);
            pointsL.insert((*pointsR.begin())+2*H*i);
            pointsR.erase(pointsR.begin());
            ans+=S[i]-(*(--pointsL.end()))+H*i;
        }
        else{
            pointsL.insert(S[i]+H*i);
            pointsR.insert(S[i]-H*i);
        }
    }
    printf("%lld", ans);
    return 0;
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%lld", &N, &H);
     ~~~~~^~~~~~~~~~~~~~~~~~
safety.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &S[i]);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 352 KB Output is correct
5 Correct 2 ms 252 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 376 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 200 ms 13672 KB Output is correct
2 Correct 405 ms 19448 KB Output is correct
3 Correct 318 ms 20200 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 352 KB Output is correct
12 Correct 2 ms 252 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 276 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 380 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 352 KB Output is correct
12 Correct 2 ms 252 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 276 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 380 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 8 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 380 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 352 KB Output is correct
12 Correct 2 ms 252 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 276 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 380 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 8 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 380 KB Output is correct
28 Correct 5 ms 888 KB Output is correct
29 Correct 5 ms 760 KB Output is correct
30 Correct 4 ms 888 KB Output is correct
31 Correct 4 ms 760 KB Output is correct
32 Correct 4 ms 760 KB Output is correct
33 Correct 5 ms 888 KB Output is correct
34 Correct 4 ms 760 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 352 KB Output is correct
12 Correct 2 ms 252 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 1 ms 344 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 276 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 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 380 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 8 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 380 KB Output is correct
34 Correct 5 ms 888 KB Output is correct
35 Correct 5 ms 760 KB Output is correct
36 Correct 4 ms 888 KB Output is correct
37 Correct 4 ms 760 KB Output is correct
38 Correct 4 ms 760 KB Output is correct
39 Correct 5 ms 888 KB Output is correct
40 Correct 4 ms 760 KB Output is correct
41 Correct 7 ms 740 KB Output is correct
42 Correct 5 ms 632 KB Output is correct
43 Correct 5 ms 764 KB Output is correct
44 Correct 5 ms 760 KB Output is correct
45 Correct 4 ms 760 KB Output is correct
46 Correct 4 ms 764 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 252 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 352 KB Output is correct
12 Correct 2 ms 252 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 200 ms 13672 KB Output is correct
20 Correct 405 ms 19448 KB Output is correct
21 Correct 318 ms 20200 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 276 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 8 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 380 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 5 ms 888 KB Output is correct
38 Correct 5 ms 760 KB Output is correct
39 Correct 4 ms 888 KB Output is correct
40 Correct 4 ms 760 KB Output is correct
41 Correct 4 ms 760 KB Output is correct
42 Correct 5 ms 888 KB Output is correct
43 Correct 4 ms 760 KB Output is correct
44 Correct 7 ms 740 KB Output is correct
45 Correct 5 ms 632 KB Output is correct
46 Correct 5 ms 764 KB Output is correct
47 Correct 5 ms 760 KB Output is correct
48 Correct 4 ms 760 KB Output is correct
49 Correct 4 ms 764 KB Output is correct
50 Correct 355 ms 20600 KB Output is correct
51 Correct 284 ms 17224 KB Output is correct
52 Correct 147 ms 16620 KB Output is correct
53 Correct 162 ms 19224 KB Output is correct
54 Correct 147 ms 19796 KB Output is correct
55 Correct 136 ms 16824 KB Output is correct
56 Correct 160 ms 18468 KB Output is correct
57 Correct 139 ms 16888 KB Output is correct
58 Correct 132 ms 14848 KB Output is correct
59 Correct 156 ms 18720 KB Output is correct