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Submission #1017963

# Submission time Handle Problem Language Result Execution time Memory
1017963 2024-07-09T12:03:42 Z NintsiChkhaidze Last supper (IOI12_supper) C++17
30 / 100
 250 ms 66560 KB 
#include <bits/stdc++.h>
#include "advisor.h"
#define pb push_back
using namespace std;

const int MM = 2e6 + 5;

bool onn[MM];
vector <int> st[MM];

void ComputeAdvice(int *C, int N, int K, int M) {
	int BL = sqrt(N);
	for (int i=N-1;i>=0;i--){
		st[C[i]].pb(i);
	}
	
	set <pair<int,int> > stt;
	for (int i=0;i<K;i++){
		onn[i] = 1;
		int val = 0;
		if (!st[i].size()) val=1e9;
		else val=st[i].back();
		stt.insert({val,i});
	}
	
	int i;
	vector <int> vec;
	for (i = 0; i < N; i++) {
    	int req = C[i];
    	if (onn[req]) {
    		vec.pb(-1);
    		int val = 0;
			if (!st[req].size()) val=1e9;
			else val=st[req].back();
			stt.erase(stt.find({val,req}));
			
			while (st[req].size() && st[req].back() <= i){
    			st[req].pop_back();
			}
			val = 0;
			if (!st[req].size()) val=1e9;
			else val=st[req].back();
			stt.insert({val,req});
			continue;
		}
    	
		int idx=(--stt.end())->second; stt.erase(--stt.end());
		vec.pb(idx);
		onn[idx] = 0;
		onn[req] = 1;
		
		while (st[req].size() && st[req].back() <= i){
    		st[req].pop_back();
		}
		
		int val = 0;
		if (!st[req].size()) val=1e9;
		else val=st[req].back();
		stt.insert({val,req});
  	}
  	
  	int bt = log2(N/BL);
  	for (int x: vec){
  		if (x==-1) continue;
		int blID = x / BL;
		
		for (int j = bt; j >= 0; j--){
			if (((blID >> j) & 1)) WriteAdvice(1);
			else WriteAdvice(0);
		}
		
		int iID = x - blID * BL;
		for (int j = bt; j >= 0; j--){
			if (((iID >> j) & 1)) WriteAdvice(1);
			else WriteAdvice(0);
		}
	}
	
}
#include <bits/stdc++.h>
#include "assistant.h"
using namespace std;

int CC[2000005];
bool on[2000005];

void Assist(unsigned char *A, int N, int K, int R) {
	int BL = sqrt(N);
	int bt = log2(N/BL);
	
	int id=0;
	for (int i = 0; i < R; i += bt + 1){
		for (int j = i; j <= i + bt; j++){
			if (A[j] == 1) CC[id] |= (1<<(bt-(j-i)));
		}
		id+=1;
	}
	for (int i=0;i<K;i++) on[i] = 1;
	
	int i;
	int l = 0;
	for (i = 0; i < N; i++) {
    	int req = GetRequest();
    	if (on[req]) {
			continue;
		}
    	int blID = CC[l++];
    	int iID = CC[l++];
    	int idx = blID * BL + iID;
    	PutBack(idx);
		on[idx] = 0;
		on[req] = 1;
  	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 49756 KB Output is correct
2 Correct 16 ms 49740 KB Output is correct
3 Correct 22 ms 50016 KB Output is correct
4 Correct 20 ms 49992 KB Output is correct
5 Incorrect 18 ms 48100 KB Error - advice is too long
6 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 50732 KB Output is correct
2 Correct 75 ms 53520 KB Output is correct
3 Correct 213 ms 64516 KB Output is correct
4 Correct 245 ms 66472 KB Output is correct
5 Correct 250 ms 65840 KB Output is correct
6 Correct 196 ms 64064 KB Output is correct
7 Correct 177 ms 62632 KB Output is correct
8 Correct 181 ms 64140 KB Output is correct
9 Correct 226 ms 64752 KB Output is correct
10 Correct 159 ms 62272 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 133 ms 60228 KB Output is correct
2 Correct 167 ms 62364 KB Output is correct
3 Correct 158 ms 62168 KB Output is correct
4 Correct 149 ms 61664 KB Output is correct
5 Correct 132 ms 57680 KB Output is correct
6 Correct 161 ms 62372 KB Output is correct
7 Correct 157 ms 61988 KB Output is correct
8 Correct 206 ms 66560 KB Output is correct
9 Correct 104 ms 56796 KB Output is correct
10 Correct 176 ms 62168 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 47960 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 62544 KB Output is partially correct - 926838 bits used
2 Correct 175 ms 62476 KB Output is partially correct - 890514 bits used
3 Correct 159 ms 62124 KB Output is partially correct - 854964 bits used
4 Correct 158 ms 62180 KB Output is partially correct - 854406 bits used
5 Correct 160 ms 62368 KB Output is partially correct - 852732 bits used
6 Correct 162 ms 62356 KB Output is partially correct - 854586 bits used
7 Correct 162 ms 62168 KB Output is partially correct - 853308 bits used
8 Correct 160 ms 62116 KB Output is partially correct - 856008 bits used
9 Correct 158 ms 62228 KB Output is partially correct - 855396 bits used
10 Correct 202 ms 66168 KB Output is partially correct - 1341144 bits used