oj.uz

Submission #303353

# Submission time Handle Problem Language Result Execution time Memory
303353 2020-09-20T08:51:32 Z Utaha Comparing Plants (IOI20_plants) C++14
0 / 100
 1 ms 256 KB 
#include "plants.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 305;
#define REP(i,n) for(int i=0;i<(n);i++)
#define eb emplace_back
#define pb push_back
#define SZ(a) ((int)a.size())
#define ALL(a) a.begin(),a.end()
int n,k;

bool vis[maxn];

bool adj[maxn][maxn];

void init(int _k, std::vector<int> r) {
	n = r.size();
	k = _k;
	int cnt = 0;
	while(cnt<n){
		vector<int> idx;
		REP(j,n) if(!vis[j]){
			if(r[j]==0) idx.pb(j);
		}
		// for(int i:idx){
			// cout<<i<<' ';
		// }
		// cout<<endl;

		idx.pb(idx[0]+n);
		REP(i,SZ(idx)-1){
			if(idx[i+1]-idx[i]>=k){
				int t = idx[i+1]%n;
				vis[t] = 1;
				REP(j,k-1){
					int nxt = (t+1+j)%n;
					if(!vis[nxt]) adj[t][nxt] = 1;
				}
				cnt++;
				REP(j,k-1){
					int pre = (t-j-1+n)%n;
					if(!vis[pre]) r[pre]--;
				}
			}
		}
	}
	REP(j,n) REP(i,n) REP(k,n){
		if(adj[i][j]&&adj[j][k]) adj[i][k] = 1;
	}

	return;
}


int compare_plants(int x, int y) {
	if(adj[x][y]) return 1;
	else if(adj[y][x]) return -1;
	else return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -