oj.uz

Submission #772921

# Submission time Handle Problem Language Result Execution time Memory
772921 2023-07-04T12:56:24 Z kingfran1907 Last supper (IOI12_supper) C++14
100 / 100
 206 ms 143492 KB 
#include "advisor.h"
#include <vector>
#include <queue>
#include <set>
#include <cstdio>

using namespace std;
const int maxn = 2e5+10;

bool sol[maxn];
vector< int > v;
queue< int > q[maxn];
int las[maxn];

void ComputeAdvice(int *C, int N, int K, int M) {
	for (int i = 0; i < K; i++) v.push_back(i);
	for (int i = 0; i < N; i++) v.push_back(C[i]);
	
	for (int i = 0; i < v.size(); i++) {
		q[v[i]].push(i);
	}
	for (int i = 0; i < N; i++) q[i].push(v.size() + 1);
	
	set< pair<int, int> > s;
	for (int i = 0; i < K; i++) s.insert({-q[i].front(), i});
	for (int i = 0; i < v.size(); i++) sol[i] = false;
	for (int i = 0; i < N; i++) las[i] = N + K;
	for (int i = 0; i < v.size(); i++) {
		int x = v[i];
		if (!s.count({-q[x].front(), x})) {
			int tr = s.begin()->second;
			s.erase(s.begin());
			q[x].pop();
			s.insert({-q[x].front(), x});
		} else {
			//printf("inside %d\n", x); fflush(stdout);
			sol[las[x]] = true;
			s.erase({-q[x].front(), x});
			q[x].pop();
			s.insert({-q[x].front(), x});
		}
		las[x] = i;
	}
	for (auto iter : s) sol[las[iter.second]] = true;
	for (int i = 0; i < v.size(); i++) WriteAdvice(sol[i]);
}
#include <bits/stdc++.h>
#include "assistant.h"
#define X first
#define Y second

using namespace std;
const int maxn = 1e5+10;

void Assist(unsigned char *A, int N, int K, int R) {
	set< int > active, passive;
	for (int i = 0; i < K; i++) {
		if (A[i] == 1) active.insert(i);
		else passive.insert(i);
	}
	
	//printf("good\n"); fflush(stdout);
	for (int i = 0; i < N; i++) {
		int c = GetRequest();
		//printf("debug: %d\n", c); fflush(stdout);
		//printf("sizes: %d %d\n", active.size(), passive.size()); fflush(stdout);
		if (!active.count(c) && !passive.count(c)) {
			assert(passive.size());
			PutBack(*passive.begin());
			passive.erase(passive.begin());
		}
		active.erase(c);
		passive.erase(c);
		if (A[i + K] == 1) active.insert(c);
		else passive.insert(c);
	}
}

Compilation message

advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
advisor.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for (int i = 0; i < v.size(); i++) sol[i] = false;
      |                  ~~^~~~~~~~~~
advisor.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
advisor.cpp:31:8: warning: unused variable 'tr' [-Wunused-variable]
   31 |    int tr = s.begin()->second;
      |        ^~
advisor.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for (int i = 0; i < v.size(); i++) WriteAdvice(sol[i]);
      |                  ~~^~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 135092 KB Output is correct
2 Correct 68 ms 135488 KB Output is correct
3 Correct 67 ms 135668 KB Output is correct
4 Correct 64 ms 135584 KB Output is correct
5 Correct 73 ms 135268 KB Output is correct
6 Correct 74 ms 135372 KB Output is correct
7 Correct 74 ms 135484 KB Output is correct
8 Correct 78 ms 135444 KB Output is correct
9 Correct 67 ms 135500 KB Output is correct
10 Correct 73 ms 135560 KB Output is correct
11 Correct 73 ms 135516 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 136040 KB Output is correct
2 Correct 110 ms 138476 KB Output is correct
3 Correct 206 ms 143492 KB Output is correct
4 Correct 130 ms 140020 KB Output is correct
5 Correct 138 ms 139936 KB Output is correct
6 Correct 165 ms 140428 KB Output is correct
7 Correct 185 ms 141828 KB Output is correct
8 Correct 199 ms 141572 KB Output is correct
9 Correct 116 ms 139884 KB Output is correct
10 Correct 197 ms 142956 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 140288 KB Output is correct
2 Correct 188 ms 141468 KB Output is correct
3 Correct 194 ms 141548 KB Output is correct
4 Correct 198 ms 141520 KB Output is correct
5 Correct 197 ms 140912 KB Output is correct
6 Correct 192 ms 141528 KB Output is correct
7 Correct 203 ms 141624 KB Output is correct
8 Correct 172 ms 141564 KB Output is correct
9 Correct 175 ms 142136 KB Output is correct
10 Correct 197 ms 142524 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 135468 KB Output is correct
2 Correct 68 ms 135512 KB Output is correct
3 Correct 73 ms 135268 KB Output is correct
4 Correct 91 ms 135532 KB Output is correct
5 Correct 74 ms 135452 KB Output is correct
6 Correct 74 ms 135512 KB Output is correct
7 Correct 70 ms 135512 KB Output is correct
8 Correct 76 ms 135832 KB Output is correct
9 Correct 70 ms 135568 KB Output is correct
10 Correct 77 ms 135788 KB Output is correct

Subtask #5
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 140992 KB Output is correct - 120000 bits used
2 Correct 192 ms 141208 KB Output is correct - 122000 bits used
3 Correct 206 ms 141588 KB Output is correct - 125000 bits used
4 Correct 194 ms 141476 KB Output is correct - 125000 bits used
5 Correct 192 ms 141664 KB Output is correct - 125000 bits used
6 Correct 189 ms 141560 KB Output is correct - 125000 bits used
7 Correct 198 ms 141496 KB Output is correct - 124828 bits used
8 Correct 197 ms 141504 KB Output is correct - 124910 bits used
9 Correct 193 ms 141532 KB Output is correct - 125000 bits used
10 Correct 184 ms 141704 KB Output is correct - 125000 bits used