oj.uz

Submission #300433

# Submission time Handle Problem Language Result Execution time Memory
300433 2020-09-17T07:13:29 Z daniel920712 Comparing Plants (IOI20_plants) C++14
5 / 100
 149 ms 21240 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));
                }
            }
        }


        if(r[i]>r[(i+1)%N]) Next[i].push_back((i+1)%N);
        if(r[i]<r[(i+1)%N]) Next[(i+1)%N].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 8 ms 9728 KB Output is correct
6 Correct 72 ms 12536 KB Output is correct
7 Correct 96 ms 13432 KB Output is correct
8 Correct 148 ms 21240 KB Output is correct
9 Correct 138 ms 20728 KB Output is correct
10 Correct 139 ms 20728 KB Output is correct
11 Correct 149 ms 20728 KB Output is correct
12 Correct 136 ms 20600 KB Output is correct
13 Correct 134 ms 20832 KB Output is correct
14 Correct 145 ms 20728 KB Output is correct

Subtask #2
0 / 14.0

# 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 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 7 ms 9728 KB Output is correct
2 Correct 7 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 9728 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 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 #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 8 ms 9728 KB Output is correct
6 Correct 72 ms 12536 KB Output is correct
7 Correct 96 ms 13432 KB Output is correct
8 Correct 148 ms 21240 KB Output is correct
9 Correct 138 ms 20728 KB Output is correct
10 Correct 139 ms 20728 KB Output is correct
11 Correct 149 ms 20728 KB Output is correct
12 Correct 136 ms 20600 KB Output is correct
13 Correct 134 ms 20832 KB Output is correct
14 Correct 145 ms 20728 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 7 ms 9728 KB Output is correct
17 Incorrect 7 ms 9728 KB Output isn't correct
18 Halted 0 ms 0 KB -