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Submission #408952

# Submission time Handle Problem Language Result Execution time Memory
408952 2021-05-19T21:34:47 Z AmineWeslati Bubble Sort 2 (JOI18_bubblesort2) C++14
38 / 100
 9000 ms 4344 KB 
#include <bits/stdc++.h>
#include "bubblesort2.h"
using namespace std;
 
typedef long long ll;
typedef vector<int>vi;
#define pb push_back
#define sz(v) (int)v.size()
#define all(x) begin(x),end(x)
 
#define FOR(i,a,b) for(int i=a; i<b; i++)
#define ROF(i,a,b) for(int i=b-1; i>=a; i--)
 
//--------------------------------------------//
 
int N,Q;
vi a; 
 
void ckmax(int &x, int y){x=max(x,y);}
 
const int MX=5e5+10;
vi t(MX,0);

void upd(int i){
	for(;i<MX; i+=i&-i) t[i]++;
}
int get(int i){
	int ans=0;
	for(;i;i-=i&-i) ans+=t[i];
	return ans;
}
 
vi countScans(vi A,vi X,vi V){
	N=sz(A); Q=sz(X);
	a.assign(all(A));

	vi temp;
	temp.assign(all(a));
	FOR(i,0,Q) temp.pb(V[i]);
	sort(all(temp));

	unordered_map<int,int>mp;
	int cnt=0;
	for(int x: temp) if(!mp.count(x)) mp[x]=++cnt;

	FOR(i,0,N) a[i]=mp[a[i]];
	FOR(i,0,Q) V[i]=mp[V[i]];

	vi ans(Q,0);
	FOR(idx,0,Q){
		a[X[idx]]=V[idx];
 
		vi st,vec(N);
		ROF(i,0,N){
			while(sz(st) && st.back()<a[i]) st.pop_back();
 			
			if(!sz(st)){
				vec[i]=(i!=N-1);
			} 
			else{
				if(st.back()==i+1 && !vec[st.back()])
					vec[i]=0;
				else vec[i]=vec[st.back()]+1;
			}
 
			st.pb(i);
		}
		
		FOR(i,0,N+Q+1) t[i]=0;
		FOR(i,0,N){
			ckmax(vec[i],i-get(a[i]));
			upd(a[i]);
		}

		FOR(i,0,N) ckmax(ans[idx],vec[i]);
	}
	return ans; 
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2252 KB Output is correct
2 Correct 40 ms 2264 KB Output is correct
3 Correct 218 ms 2508 KB Output is correct
4 Correct 222 ms 2508 KB Output is correct
5 Correct 221 ms 2488 KB Output is correct
6 Correct 201 ms 2508 KB Output is correct
7 Correct 206 ms 2508 KB Output is correct
8 Correct 211 ms 2536 KB Output is correct
9 Correct 215 ms 2532 KB Output is correct
10 Correct 197 ms 2508 KB Output is correct
11 Correct 196 ms 2508 KB Output is correct
12 Correct 201 ms 2528 KB Output is correct
13 Correct 196 ms 2508 KB Output is correct
14 Correct 196 ms 2520 KB Output is correct
15 Correct 199 ms 2516 KB Output is correct
16 Correct 196 ms 2508 KB Output is correct
17 Correct 198 ms 2508 KB Output is correct
18 Correct 199 ms 2508 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2252 KB Output is correct
2 Correct 40 ms 2264 KB Output is correct
3 Correct 218 ms 2508 KB Output is correct
4 Correct 222 ms 2508 KB Output is correct
5 Correct 221 ms 2488 KB Output is correct
6 Correct 201 ms 2508 KB Output is correct
7 Correct 206 ms 2508 KB Output is correct
8 Correct 211 ms 2536 KB Output is correct
9 Correct 215 ms 2532 KB Output is correct
10 Correct 197 ms 2508 KB Output is correct
11 Correct 196 ms 2508 KB Output is correct
12 Correct 201 ms 2528 KB Output is correct
13 Correct 196 ms 2508 KB Output is correct
14 Correct 196 ms 2520 KB Output is correct
15 Correct 199 ms 2516 KB Output is correct
16 Correct 196 ms 2508 KB Output is correct
17 Correct 198 ms 2508 KB Output is correct
18 Correct 199 ms 2508 KB Output is correct
19 Correct 2677 ms 3316 KB Output is correct
20 Correct 3469 ms 3444 KB Output is correct
21 Correct 3292 ms 3448 KB Output is correct
22 Correct 3325 ms 3444 KB Output is correct
23 Correct 3077 ms 3384 KB Output is correct
24 Correct 3113 ms 3384 KB Output is correct
25 Correct 3146 ms 3348 KB Output is correct
26 Correct 3151 ms 3348 KB Output is correct
27 Correct 3168 ms 3324 KB Output is correct
28 Correct 3110 ms 3396 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3099 ms 3524 KB Output is correct
2 Execution timed out 9024 ms 4344 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2252 KB Output is correct
2 Correct 40 ms 2264 KB Output is correct
3 Correct 218 ms 2508 KB Output is correct
4 Correct 222 ms 2508 KB Output is correct
5 Correct 221 ms 2488 KB Output is correct
6 Correct 201 ms 2508 KB Output is correct
7 Correct 206 ms 2508 KB Output is correct
8 Correct 211 ms 2536 KB Output is correct
9 Correct 215 ms 2532 KB Output is correct
10 Correct 197 ms 2508 KB Output is correct
11 Correct 196 ms 2508 KB Output is correct
12 Correct 201 ms 2528 KB Output is correct
13 Correct 196 ms 2508 KB Output is correct
14 Correct 196 ms 2520 KB Output is correct
15 Correct 199 ms 2516 KB Output is correct
16 Correct 196 ms 2508 KB Output is correct
17 Correct 198 ms 2508 KB Output is correct
18 Correct 199 ms 2508 KB Output is correct
19 Correct 2677 ms 3316 KB Output is correct
20 Correct 3469 ms 3444 KB Output is correct
21 Correct 3292 ms 3448 KB Output is correct
22 Correct 3325 ms 3444 KB Output is correct
23 Correct 3077 ms 3384 KB Output is correct
24 Correct 3113 ms 3384 KB Output is correct
25 Correct 3146 ms 3348 KB Output is correct
26 Correct 3151 ms 3348 KB Output is correct
27 Correct 3168 ms 3324 KB Output is correct
28 Correct 3110 ms 3396 KB Output is correct
29 Correct 3099 ms 3524 KB Output is correct
30 Execution timed out 9024 ms 4344 KB Time limit exceeded
31 Halted 0 ms 0 KB -