oj.uz

Submission #365379

# Submission time Handle Problem Language Result Execution time Memory
365379 2021-02-11T14:34:41 Z Seanliu Last supper (IOI12_supper) C++14
20 / 100
 550 ms 84380 KB 
#include "advisor.h"
#include <iostream>
#include <utility>
#include <cassert>
#include <set>
#include <deque>
#define pii pair<int,int>
#define F first
#define S second
using namespace std;

struct Obj{
	int time, col;
	Obj(int time = 0, int col = 0): time(time), col(col){}
	const bool operator<(const Obj &o) const {
		return col == o.col ? time < o.time : col < o.col;
	}
};

const int maxN = 1e5 + 326;
bool has[maxN], advice[maxN << 1];
set <pair<int, Obj>> st;
deque<int> dq[maxN];


void ComputeAdvice(int *C, int N, int K, int M) {
	fill(has, has + K, 1);
	for(int i = 0; i < N; i++){
		dq[C[i]].push_back(i);
	}
	for(int i = 0; i < K; i++){
		int furt = dq[i].size() ? dq[i].front() : maxN;
		st.insert({furt, Obj(i - K, i)});
	}
	int bc = 0, key;
	while((1 << bc) < N + 1) bc++;
	for(int i = 0; i < N; i++){ //thirteen bits lol
		key = -1;
		if(has[C[i]]){
			int furt = dq[C[i]].size() ? dq[C[i]].front() : maxN;
			st.erase(st.lower_bound({furt, Obj(-maxN, C[i])}));
		} else {
			auto it = --st.end();
			advice[it->S.time + K] = 1;
			st.erase(st.find({it->F, it->S}));
			has[it->S.col] = false;
			key = it->S.col;
		}
		if(key == -1) key = (1 << bc) - 1;
		while(dq[C[i]].size() && dq[C[i]].front() <= i) dq[C[i]].pop_front();
		int furt = dq[C[i]].size() ? dq[C[i]].front() : maxN;
		st.insert({furt, Obj(i, C[i])});
		has[C[i]] = true;
		for(int j = 0; j < bc; j++) WriteAdvice((key >> j) & 1);
	}
	//for(int i = 0; i < N + K; i++) WriteAdvice(advice[i]);
}


#include <iostream>
#include <set>
#include <utility>
#include <queue>
#include <cassert>
#define pii pair<int,int>
#define F first
#define S second
#include "assistant.h"
using namespace std;


bool cur[101010], inq[101010];

void Assist(unsigned char *A, int N, int K, int R) {
	//assert(R == N + K);	
	for(int i = 0; i < K; i++){
		cur[i] = true;
		if(A[i]) inq[i] = true;
	}
	int bc = 0, key;
	while((1 << bc) < N + 1) bc++;
	for(int i = 0; i < N; i++){
		int r = GetRequest();	
		key = 0;
		for(int j = (i + 1) * bc - 1; j >= (i) * bc; j--){
			key = key * 2 + A[j];
		}
		if(key != (1 << bc) - 1){
			PutBack(key);	
		}
		/*
		if(!cur[r]){
			for(int j = 0; j < N; j++){
				if(cur[j] && inq[j]){
					cur[j] = false;
					inq[j] = false;
					PutBack(j);
					break;
				}
			}
		} 
		cur[r] = true;
		if(A[i + K]) inq[r] = true;
		*/
	}
}

Compilation message

assistant.cpp: In function 'void Assist(unsigned char*, int, int, int)':
assistant.cpp:24:7: warning: unused variable 'r' [-Wunused-variable]
   24 |   int r = GetRequest();
      |       ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 68516 KB Output is correct
2 Correct 52 ms 68384 KB Output is correct
3 Correct 61 ms 68496 KB Output is correct
4 Correct 61 ms 68624 KB Output is correct
5 Correct 69 ms 69028 KB Output is correct
6 Correct 68 ms 69028 KB Output is correct
7 Correct 67 ms 69028 KB Output is correct
8 Correct 78 ms 68900 KB Output is correct
9 Correct 72 ms 68900 KB Output is correct
10 Correct 69 ms 69284 KB Output is correct
11 Correct 69 ms 69028 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 69688 KB Output is correct
2 Correct 268 ms 75008 KB Output is correct
3 Correct 538 ms 84380 KB Output is correct
4 Correct 507 ms 82092 KB Output is correct
5 Correct 538 ms 82060 KB Output is correct
6 Correct 542 ms 82788 KB Output is correct
7 Correct 532 ms 83396 KB Output is correct
8 Correct 464 ms 81448 KB Output is correct
9 Correct 517 ms 81824 KB Output is correct
10 Correct 534 ms 83792 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 452 ms 79848 KB Output is correct
2 Incorrect 139 ms 73132 KB Error - advice is too long
3 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 53 ms 68344 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
3.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 82564 KB Output is partially correct - 1700000 bits used
2 Correct 530 ms 82620 KB Output is partially correct - 1700000 bits used
3 Correct 537 ms 82572 KB Output is partially correct - 1700000 bits used
4 Correct 528 ms 83072 KB Output is partially correct - 1700000 bits used
5 Correct 527 ms 82724 KB Output is partially correct - 1700000 bits used
6 Correct 544 ms 83024 KB Output is partially correct - 1700000 bits used
7 Correct 525 ms 82636 KB Output is partially correct - 1697263 bits used
8 Correct 550 ms 82908 KB Output is partially correct - 1700000 bits used
9 Correct 528 ms 82904 KB Output is partially correct - 1700000 bits used
10 Correct 520 ms 82712 KB Output is partially correct - 1700000 bits used