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Submission #385970

# Submission time Handle Problem Language Result Execution time Memory
385970 2021-04-05T10:02:29 Z i_am_noob Comparing Plants (IOI20_plants) C++17
19 / 100
 401 ms 18304 KB 
#include<bits/stdc++.h>
#include "plants.h"
using namespace std;

#define ll long long
//#define int ll
#define rep(n) rep1(i,n)
#define rep1(i,n) rep2(i,0,n)
#define rep2(i,a,b) for(int i=a; i<(b); ++i)
#define rep3(i,a,b) for(int i=a; i>=(b); --i)
#define pb push_back
#define sz(a) ((int)a.size())
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define inf 0x3f3f3f3f3f3f3f3f
#define pow2(x) (1ll<<(x))

#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << " " << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T x){cerr << x << endl;}
template<typename T, typename ...S> void _do(T x, S... y){cerr << x << ", ";_do(y...);}
#else
#define bug(...) 49
#endif

const int maxn=200005;

int n,k,sum[maxn],a[maxn];
vector<int> r;



void init(int _k, vector<int> _r){
    k=_k;
    r=_r;
    n=sz(r);
    rep(n) sum[i+1]=sum[i]+r[i];
    set<int> st;
    rep(n) if(r[i]==0) st.insert(i);
    int maxx,maxid;
    vector<int> vec;
    if(n<5005){
    	bool flag;
	    rep3(i,n-1,0){
	    	flag=0;
	    	maxx=(*st.begin())-(*st.rbegin())+n;
	    	maxid=*st.begin();
	    	vec.clear();
	    	for(auto j: st) vec.pb(j);
	    	rep2(j,1,sz(vec)) if(vec[j]-vec[j-1]>maxx) maxx=vec[j]-vec[j-1],maxid=vec[j];
	    	
    		a[maxid]=i;
    		rep1(ii,k-1){
    			r[(maxid-ii-1+n)%n]--;
    			if(r[(maxid-ii-1+n)%n]==0) st.insert((maxid-ii-1+n)%n);
    		}
    		r[maxid]=n;
	    	st.erase(maxid);
	    }
	}
}

int compare_plants(int x, int y) {
    if(k==2){
        if(sum[y]-sum[x]==y-x) return -1;
        if(sum[y]-sum[x]==0) return 1;
        if(sum[n]-sum[y]+sum[x]==n-y+x) return 1;
        if(sum[n]-sum[y]+sum[x]==0) return -1;
        return 0;
    }
    return a[x]>a[y]?1:-1;
}

Compilation message

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:43:11: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
   43 |      bool flag;
      |           ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 65 ms 4076 KB Output is correct
7 Correct 85 ms 5996 KB Output is correct
8 Correct 145 ms 13420 KB Output is correct
9 Correct 121 ms 13292 KB Output is correct
10 Correct 126 ms 13292 KB Output is correct
11 Correct 122 ms 13804 KB Output is correct
12 Correct 118 ms 13824 KB Output is correct
13 Correct 137 ms 18304 KB Output is correct
14 Correct 100 ms 8812 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 13 ms 492 KB Output is correct
7 Correct 322 ms 5228 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 13 ms 492 KB Output is correct
10 Correct 321 ms 5256 KB Output is correct
11 Correct 331 ms 5228 KB Output is correct
12 Correct 233 ms 5392 KB Output is correct
13 Correct 401 ms 5172 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 13 ms 492 KB Output is correct
7 Correct 322 ms 5228 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 13 ms 492 KB Output is correct
10 Correct 321 ms 5256 KB Output is correct
11 Correct 331 ms 5228 KB Output is correct
12 Correct 233 ms 5392 KB Output is correct
13 Correct 401 ms 5172 KB Output is correct
14 Incorrect 78 ms 5884 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 80 ms 4972 KB Output is correct
4 Incorrect 112 ms 11932 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 380 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Incorrect 1 ms 364 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 1 ms 364 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 65 ms 4076 KB Output is correct
7 Correct 85 ms 5996 KB Output is correct
8 Correct 145 ms 13420 KB Output is correct
9 Correct 121 ms 13292 KB Output is correct
10 Correct 126 ms 13292 KB Output is correct
11 Correct 122 ms 13804 KB Output is correct
12 Correct 118 ms 13824 KB Output is correct
13 Correct 137 ms 18304 KB Output is correct
14 Correct 100 ms 8812 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 13 ms 492 KB Output is correct
21 Correct 322 ms 5228 KB Output is correct
22 Correct 3 ms 640 KB Output is correct
23 Correct 13 ms 492 KB Output is correct
24 Correct 321 ms 5256 KB Output is correct
25 Correct 331 ms 5228 KB Output is correct
26 Correct 233 ms 5392 KB Output is correct
27 Correct 401 ms 5172 KB Output is correct
28 Incorrect 78 ms 5884 KB Output isn't correct
29 Halted 0 ms 0 KB -