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답안 #329607

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
329607 2020-11-21T19:22:46 Z TLP39 Mountains (NOI20_mountains) C++14
24 / 100
 113 ms 15468 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;
            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]);
      |         ~~~~~^~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 105 ms 9708 KB Output is correct
3 Correct 108 ms 15320 KB Output is correct
4 Correct 109 ms 15212 KB Output is correct
5 Correct 109 ms 15300 KB Output is correct
6 Correct 106 ms 15212 KB Output is correct
7 Correct 107 ms 15468 KB Output is correct
8 Correct 108 ms 15212 KB Output is correct
9 Correct 107 ms 15212 KB Output is correct
10 Correct 108 ms 15340 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 9836 KB Output is correct
2 Correct 77 ms 9708 KB Output is correct
3 Correct 78 ms 9836 KB Output is correct
4 Correct 77 ms 9708 KB Output is correct
5 Correct 78 ms 9708 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 74 ms 9688 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 3 ms 4972 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 9836 KB Output is correct
2 Correct 77 ms 9708 KB Output is correct
3 Correct 78 ms 9836 KB Output is correct
4 Correct 77 ms 9708 KB Output is correct
5 Correct 78 ms 9708 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 74 ms 9688 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 3 ms 4972 KB Output is correct
11 Correct 92 ms 9708 KB Output is correct
12 Correct 87 ms 9836 KB Output is correct
13 Correct 87 ms 9708 KB Output is correct
14 Correct 93 ms 9708 KB Output is correct
15 Correct 86 ms 9708 KB Output is correct
16 Correct 90 ms 9836 KB Output is correct
17 Correct 86 ms 9836 KB Output is correct
18 Correct 71 ms 9708 KB Output is correct
19 Correct 72 ms 9708 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct

Subtask #4
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 4972 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 4972 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 79 ms 9836 KB Output is correct
2 Correct 77 ms 9708 KB Output is correct
3 Correct 78 ms 9836 KB Output is correct
4 Correct 77 ms 9708 KB Output is correct
5 Correct 78 ms 9708 KB Output is correct
6 Correct 80 ms 9708 KB Output is correct
7 Correct 81 ms 9708 KB Output is correct
8 Correct 74 ms 9688 KB Output is correct
9 Correct 71 ms 9708 KB Output is correct
10 Correct 3 ms 4972 KB Output is correct
11 Correct 92 ms 9708 KB Output is correct
12 Correct 87 ms 9836 KB Output is correct
13 Correct 87 ms 9708 KB Output is correct
14 Correct 93 ms 9708 KB Output is correct
15 Correct 86 ms 9708 KB Output is correct
16 Correct 90 ms 9836 KB Output is correct
17 Correct 86 ms 9836 KB Output is correct
18 Correct 71 ms 9708 KB Output is correct
19 Correct 72 ms 9708 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 105 ms 9836 KB Output is correct
22 Correct 103 ms 9712 KB Output is correct
23 Correct 105 ms 9708 KB Output is correct
24 Correct 103 ms 9708 KB Output is correct
25 Correct 113 ms 9708 KB Output is correct
26 Correct 104 ms 9836 KB Output is correct
27 Correct 104 ms 9708 KB Output is correct
28 Correct 78 ms 9708 KB Output is correct
29 Correct 78 ms 9708 KB Output is correct
30 Correct 3 ms 4972 KB Output is correct

Subtask #7
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 105 ms 9708 KB Output is correct
3 Correct 108 ms 15320 KB Output is correct
4 Correct 109 ms 15212 KB Output is correct
5 Correct 109 ms 15300 KB Output is correct
6 Correct 106 ms 15212 KB Output is correct
7 Correct 107 ms 15468 KB Output is correct
8 Correct 108 ms 15212 KB Output is correct
9 Correct 107 ms 15212 KB Output is correct
10 Correct 108 ms 15340 KB Output is correct
11 Correct 79 ms 9836 KB Output is correct
12 Correct 77 ms 9708 KB Output is correct
13 Correct 78 ms 9836 KB Output is correct
14 Correct 77 ms 9708 KB Output is correct
15 Correct 78 ms 9708 KB Output is correct
16 Correct 80 ms 9708 KB Output is correct
17 Correct 81 ms 9708 KB Output is correct
18 Correct 74 ms 9688 KB Output is correct
19 Correct 71 ms 9708 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 92 ms 9708 KB Output is correct
22 Correct 87 ms 9836 KB Output is correct
23 Correct 87 ms 9708 KB Output is correct
24 Correct 93 ms 9708 KB Output is correct
25 Correct 86 ms 9708 KB Output is correct
26 Correct 90 ms 9836 KB Output is correct
27 Correct 86 ms 9836 KB Output is correct
28 Correct 71 ms 9708 KB Output is correct
29 Correct 72 ms 9708 KB Output is correct
30 Correct 3 ms 4972 KB Output is correct
31 Incorrect 3 ms 4972 KB Output isn't correct
32 Halted 0 ms 0 KB -