Submission #329609

# Submission time Handle Problem Language Result Execution time Memory
329609 2020-11-21T19:24:51 Z TLP39 Mountains (NOI20_mountains) C++14
100 / 100
136 ms 15340 KB
#include<bits/stdc++.h>
using namespace std;


void so(int x,int y, long long int a[300001],int b[300001],int c[300001])
{
    if(x==y)
    {
        b[x]=0;
        c[x]=0;
        return;
    }
    if(y==x+1)
    {
        if(a[x]<a[x+1])
        {
            b[x]=0;
            c[x]=0;
            b[x+1]=1;
            c[x+1]=0;
        }
        else if(a[x]>a[x+1])
        {
            b[x]=0;
            c[x]=0;
            b[x+1]=0;
            c[x+1]=1;
            long long int temp=a[x];
            a[x]=a[x+1];
            a[x+1]=temp;
        }
        else
        {
            b[x]=0;
            c[x]=0;
            b[x+1]=0;
            c[x+1]=0;
        }
        return;
    }
    int ha=(y-x+1)/2;
    so(x,x+ha-1,a,b,c);
    so(x+ha,y,a,b,c);
    long long int a1[y-x+1]={};
    int b1[y-x+1]={};
    int c1[y-x+1]={};
    int p1=x,p11=x;
    int p2=x+ha;
    int p=0;
    while(p1<x+ha || p2<=y)
    {
        if(p1>=x+ha)
        {
            if(a[p2]>a[p1-1])
            {
                p11=x+ha;
            }
            a1[p]=a[p2];
            b1[p]=b[p2]+(p11-x);
            c1[p]=c[p2];
            p++;
            p2++;
        }
        else if(p2>y)
        {
            a1[p]=a[p1];
            b1[p]=b[p1];
            c1[p]=c[p1]+y-x-ha+1;
            p++;
            p1++;
        }
        else if(a[p1]<=a[p2])
        {
            a1[p]=a[p1];
            b1[p]=b[p1];
            c1[p]=c[p1]+(p2-x-ha);
            if(p1>x && a[p1]!=a[p1-1])
            {
                p11=p1;
            }
            p++;
            p1++;
        }
        else
        {
            if(p1>x && a[p2]>a[p1-1])
            {
                p11=p1;
            }
            a1[p]=a[p2];
            b1[p]=b[p2]+(p11-x);
            c1[p]=c[p2];
            p++;
            p2++;
        }
    }
    for(int i=0;i<=y-x;i++)
    {
        a[x+i]=a1[i];
        b[x+i]=b1[i];
        c[x+i]=c1[i];
    }
    return;
}

int main()
{
    int n;
    scanf("%d",&n);
    long long int h[300001]={};
    int bf[300001]={};
    int af[300001]={};
    for(int i=0;i<n;i++)
    {
        scanf("%lld",&h[i]);
    }
    so(0,n-1,h,bf,af);
    long long int ans=0;
    for(int i=0;i<n;i++)
    {
        ans+=(long long)1*bf[i]*af[i];
    }
    printf("%lld",ans);
}

Compilation message

Mountains.cpp: In function 'int main()':
Mountains.cpp:109:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  109 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Mountains.cpp:115:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  115 |         scanf("%lld",&h[i]);
      |         ~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 106 ms 9708 KB Output is correct
3 Correct 105 ms 9836 KB Output is correct
4 Correct 105 ms 9836 KB Output is correct
5 Correct 107 ms 9880 KB Output is correct
6 Correct 104 ms 9836 KB Output is correct
7 Correct 125 ms 9836 KB Output is correct
8 Correct 109 ms 9836 KB Output is correct
9 Correct 107 ms 9836 KB Output is correct
10 Correct 107 ms 9836 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 9712 KB Output is correct
2 Correct 78 ms 9708 KB Output is correct
3 Correct 77 ms 9708 KB Output is correct
4 Correct 82 ms 9708 KB Output is correct
5 Correct 79 ms 9808 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 72 ms 9708 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 9712 KB Output is correct
2 Correct 78 ms 9708 KB Output is correct
3 Correct 77 ms 9708 KB Output is correct
4 Correct 82 ms 9708 KB Output is correct
5 Correct 79 ms 9808 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 72 ms 9708 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 87 ms 9708 KB Output is correct
12 Correct 102 ms 9836 KB Output is correct
13 Correct 90 ms 9708 KB Output is correct
14 Correct 87 ms 9668 KB Output is correct
15 Correct 87 ms 9708 KB Output is correct
16 Correct 87 ms 9708 KB Output is correct
17 Correct 87 ms 9708 KB Output is correct
18 Correct 72 ms 9708 KB Output is correct
19 Correct 71 ms 9708 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 3 ms 4972 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 3 ms 4972 KB Output is correct
5 Correct 3 ms 4972 KB Output is correct
6 Correct 3 ms 4972 KB Output is correct
7 Correct 3 ms 4972 KB Output is correct
8 Correct 3 ms 4972 KB Output is correct
9 Correct 3 ms 4972 KB Output is correct
10 Correct 3 ms 4972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 3 ms 4972 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 3 ms 4972 KB Output is correct
5 Correct 3 ms 4972 KB Output is correct
6 Correct 3 ms 4972 KB Output is correct
7 Correct 3 ms 4972 KB Output is correct
8 Correct 3 ms 4972 KB Output is correct
9 Correct 3 ms 4972 KB Output is correct
10 Correct 3 ms 4972 KB Output is correct
11 Correct 7 ms 5300 KB Output is correct
12 Correct 7 ms 5484 KB Output is correct
13 Correct 7 ms 5356 KB Output is correct
14 Correct 7 ms 5356 KB Output is correct
15 Correct 7 ms 5356 KB Output is correct
16 Correct 7 ms 5356 KB Output is correct
17 Correct 7 ms 5372 KB Output is correct
18 Correct 7 ms 5356 KB Output is correct
19 Correct 6 ms 5248 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 9712 KB Output is correct
2 Correct 78 ms 9708 KB Output is correct
3 Correct 77 ms 9708 KB Output is correct
4 Correct 82 ms 9708 KB Output is correct
5 Correct 79 ms 9808 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 72 ms 9708 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 87 ms 9708 KB Output is correct
12 Correct 102 ms 9836 KB Output is correct
13 Correct 90 ms 9708 KB Output is correct
14 Correct 87 ms 9668 KB Output is correct
15 Correct 87 ms 9708 KB Output is correct
16 Correct 87 ms 9708 KB Output is correct
17 Correct 87 ms 9708 KB Output is correct
18 Correct 72 ms 9708 KB Output is correct
19 Correct 71 ms 9708 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 110 ms 9708 KB Output is correct
22 Correct 103 ms 9728 KB Output is correct
23 Correct 104 ms 9708 KB Output is correct
24 Correct 107 ms 9580 KB Output is correct
25 Correct 106 ms 9836 KB Output is correct
26 Correct 104 ms 9708 KB Output is correct
27 Correct 104 ms 9708 KB Output is correct
28 Correct 78 ms 9708 KB Output is correct
29 Correct 80 ms 9836 KB Output is correct
30 Correct 3 ms 4972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 106 ms 9708 KB Output is correct
3 Correct 105 ms 9836 KB Output is correct
4 Correct 105 ms 9836 KB Output is correct
5 Correct 107 ms 9880 KB Output is correct
6 Correct 104 ms 9836 KB Output is correct
7 Correct 125 ms 9836 KB Output is correct
8 Correct 109 ms 9836 KB Output is correct
9 Correct 107 ms 9836 KB Output is correct
10 Correct 107 ms 9836 KB Output is correct
11 Correct 78 ms 9712 KB Output is correct
12 Correct 78 ms 9708 KB Output is correct
13 Correct 77 ms 9708 KB Output is correct
14 Correct 82 ms 9708 KB Output is correct
15 Correct 79 ms 9808 KB Output is correct
16 Correct 80 ms 9708 KB Output is correct
17 Correct 81 ms 9708 KB Output is correct
18 Correct 72 ms 9708 KB Output is correct
19 Correct 71 ms 9708 KB Output is correct
20 Correct 4 ms 4972 KB Output is correct
21 Correct 87 ms 9708 KB Output is correct
22 Correct 102 ms 9836 KB Output is correct
23 Correct 90 ms 9708 KB Output is correct
24 Correct 87 ms 9668 KB Output is correct
25 Correct 87 ms 9708 KB Output is correct
26 Correct 87 ms 9708 KB Output is correct
27 Correct 87 ms 9708 KB Output is correct
28 Correct 72 ms 9708 KB Output is correct
29 Correct 71 ms 9708 KB Output is correct
30 Correct 3 ms 4972 KB Output is correct
31 Correct 3 ms 4972 KB Output is correct
32 Correct 3 ms 4972 KB Output is correct
33 Correct 3 ms 4972 KB Output is correct
34 Correct 3 ms 4972 KB Output is correct
35 Correct 3 ms 4972 KB Output is correct
36 Correct 3 ms 4972 KB Output is correct
37 Correct 3 ms 4972 KB Output is correct
38 Correct 3 ms 4972 KB Output is correct
39 Correct 3 ms 4972 KB Output is correct
40 Correct 3 ms 4972 KB Output is correct
41 Correct 7 ms 5300 KB Output is correct
42 Correct 7 ms 5484 KB Output is correct
43 Correct 7 ms 5356 KB Output is correct
44 Correct 7 ms 5356 KB Output is correct
45 Correct 7 ms 5356 KB Output is correct
46 Correct 7 ms 5356 KB Output is correct
47 Correct 7 ms 5372 KB Output is correct
48 Correct 7 ms 5356 KB Output is correct
49 Correct 6 ms 5248 KB Output is correct
50 Correct 3 ms 4972 KB Output is correct
51 Correct 110 ms 9708 KB Output is correct
52 Correct 103 ms 9728 KB Output is correct
53 Correct 104 ms 9708 KB Output is correct
54 Correct 107 ms 9580 KB Output is correct
55 Correct 106 ms 9836 KB Output is correct
56 Correct 104 ms 9708 KB Output is correct
57 Correct 104 ms 9708 KB Output is correct
58 Correct 78 ms 9708 KB Output is correct
59 Correct 80 ms 9836 KB Output is correct
60 Correct 3 ms 4972 KB Output is correct
61 Correct 134 ms 15212 KB Output is correct
62 Correct 135 ms 15212 KB Output is correct
63 Correct 135 ms 15212 KB Output is correct
64 Correct 136 ms 15340 KB Output is correct
65 Correct 136 ms 15212 KB Output is correct
66 Correct 133 ms 15212 KB Output is correct
67 Correct 133 ms 15212 KB Output is correct
68 Correct 135 ms 15340 KB Output is correct
69 Correct 108 ms 11500 KB Output is correct
70 Correct 3 ms 4972 KB Output is correct