oj.uz

Submission #301440

# Submission time Handle Problem Language Result Execution time Memory
301440 2020-09-18T00:24:35 Z daniel920712 Comparing Plants (IOI20_plants) C++14
5 / 100
 149 ms 20728 KB 
#include "plants.h"
#include <stdio.h>
#include <vector>
#include <utility>
using namespace std;
vector < pair < int , int > > con[200005];
vector < int > all;
vector < int > Next[200005];
int N,tt=0;
bool use[2000005];
void init(int k,vector<int> r)
{
    int a=0,b=0,i,j,ok=0;
    all=r;
    N=r.size();
    if(k==2) tt=1;
    for(i=0;i<N;i++)
    {
        if(k==2)
        {
            if(r[(i+N-1)%N]!=r[i])
            {
                b=0;
                a++;

                con[i].push_back(make_pair(a,0));
                for(j=(i+1)%N;r[(j+N-1)%N]==r[i];j=(j+1)%N)
                {
                    if(j==N-1) ok=1;
                    if(r[i]==0) b--;
                    else b++;
                    con[j].push_back(make_pair(a,b));
                }
            }
        }
        else
        {
            for(i=0;i<N;i++)
            {
                for(j=i+1;j<N;j++)
                {
                    if(r[i]<r[j]) Next[i].push_back(j);
                    if(r[i]>r[j]) Next[j].push_back(i);
                }
            }
        }


    }
	return;
}
bool F(int a,int b)
{
    if(a==b) return 1;
    if(use[a]) return 0;
    use[a]=1;
    for(auto i:Next[a]) if(F(i,b)) return 1;
    return 0;
}
int compare_plants(int x, int y)
{
    int i;
    if(tt)
    {
        for(auto i:con[x])
        {
            for(auto j:con[y])
            {
                if(i.first==j.first)
                {
                    if(i.second<j.second) return -1;
                    return 1;
                }
            }
        }

    }
    else
    {
        for(i=0;i<N;i++) use[i]=0;
        if(F(x,y)) return -1;
        else if(F(y,x)) return 1;
    }

	return 0;
}

Compilation message

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:13:21: warning: variable 'ok' set but not used [-Wunused-but-set-variable]
   13 |     int a=0,b=0,i,j,ok=0;
      |                     ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 73 ms 12408 KB Output is correct
7 Correct 88 ms 13432 KB Output is correct
8 Correct 148 ms 20728 KB Output is correct
9 Correct 139 ms 20600 KB Output is correct
10 Correct 149 ms 20600 KB Output is correct
11 Correct 142 ms 20728 KB Output is correct
12 Correct 133 ms 20728 KB Output is correct
13 Correct 131 ms 20728 KB Output is correct
14 Correct 133 ms 20600 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Incorrect 7 ms 9728 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Incorrect 7 ms 9728 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Incorrect 7 ms 9856 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Incorrect 7 ms 9728 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Incorrect 7 ms 9728 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9728 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 73 ms 12408 KB Output is correct
7 Correct 88 ms 13432 KB Output is correct
8 Correct 148 ms 20728 KB Output is correct
9 Correct 139 ms 20600 KB Output is correct
10 Correct 149 ms 20600 KB Output is correct
11 Correct 142 ms 20728 KB Output is correct
12 Correct 133 ms 20728 KB Output is correct
13 Correct 131 ms 20728 KB Output is correct
14 Correct 133 ms 20600 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 6 ms 9728 KB Output is correct
17 Incorrect 7 ms 9728 KB Output isn't correct
18 Halted 0 ms 0 KB -