oj.uz

Submission #680681

# Submission time Handle Problem Language Result Execution time Memory
680681 2023-01-11T13:55:45 Z QwertyPi Koala Game (APIO17_koala) C++14
82 / 100
 79 ms 464 KB 
#include "koala.h"
#include <bits/stdc++.h>
 
const int N = 100;
using namespace std;
 
int minValue(int N, int W) {
	int a[N], b[N];
	a[0] = 1;
	for(int i = 1; i < N; i++){
		a[i] = 0;
	}
	playRound(a, b);
	if(b[0] <= 1){
		return 0;
	}else{
		for(int i = 1; i < N; i++){
			if(b[i] == 0){
				return i;
			}
		}
	}
}
 
int getMax(int N, int W, vector<int> v){
	int a[N], b[N];
	int st = v.size();
	while(v.size() != 1){
		for(int i = 0; i < N; i++) a[i] = 0;
		int k = v.size();
		int sq = 0; while((sq + 1) * (sq + 2) / 2 < st) sq++;
		
		for(auto i : v){
			a[i] = min(st + W - N - 1, min(W / k, k + W - N + sq - 1));
		}
		
		playRound(a, b);
		
		vector<int> nv;
		for(int i = 0; i < N; i++){
			if(a[i] != 0 && b[i] > a[i]){
				nv.push_back(i);
			}
		}
		assert(nv.size() != 0 && v.size() != nv.size());
		v = nv;
	}
    return v[0];
}
 
int maxValue(int N, int W) {
	vector<int> v;
	for(int i = 0; i < N; i++)
		v.push_back(i);
	return getMax(N, W, v);
}
 
int greaterValue(int N, int W) {
	int a[N], b[N];
	for(int k : vector<int>{2, 5, 10}){
		a[0] = a[1] = k;
		for(int i = 2; i < N; i++){
			a[i] = 0;
		}
		playRound(a, b);
		if(b[0] > k && k >= b[1]){
			return 0;
		}else if(b[0] <= k && k < b[1]){
			return 1;
		}
	}
}
 
int C2(int n){
	if(n <= 0) return 0;
	return n * (n + 1) / 2;
}
 
void solve(int L, int R, int *P, vector<int>& indexes){
	if(L == R){
		P[indexes[0]] = L;
		return;
	}
	int S = R - L + 1;
	for(int K = 1; ; K++){
		if(C2(K + 1 - S) < R && L <= C2((K + 1) * S - S) - C2((K + 1) * (S - 1) - S)){
			int a[N], b[N];
			for(int i = 0; i < N; i++) a[i] = b[i] = 0;
			for(auto i : indexes) a[i] = K;
			playRound(a, b);
			vector<int> sm, gr;
			for(auto i : indexes) {
				if(b[i] > K) gr.push_back(i);
				else sm.push_back(i);
			}
			solve(L, L + sm.size() - 1, P, sm);
			solve(L + sm.size(), R, P, gr);
			break;
		}
	}
}
 
void allValues(int N, int W, int *P) {
	if(W == N * 2){
		vector<int> Q;
		vector<int> v;
		for(int i = 0; i < N; i++){
			v.push_back(i);
		}
		for(int i = 0; i < N; i++){
			int mx = getMax(N, W, v);
			Q.push_back(mx);
			int idx = 0;
			for(int i = 0; i < N; i++){
				if(v[i] == mx) idx = i;
			}
			swap(v[idx], v[(int) v.size() - 1]);
			v.resize(N - i - 1);
		}
		for(int i = 0; i < N; i++){
			P[Q[i]] = N - i;
		}
	}else{
		vector<int> indexes;
		for(int i = 0; i < N; i++){
			indexes.push_back(i);
		} 
		solve(1, N, P, indexes);
	}
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type]
   23 | }
      | ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:72:1: warning: control reaches end of non-void function [-Wreturn-type]
   72 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 6 ms 312 KB Output is correct
3 Correct 5 ms 208 KB Output is correct
4 Correct 6 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 320 KB Output is correct
2 Correct 11 ms 312 KB Output is correct
3 Correct 13 ms 320 KB Output is correct
4 Correct 11 ms 320 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 320 KB Output is correct
2 Runtime error 3 ms 464 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 292 KB Output is correct
2 Correct 35 ms 308 KB Output is correct
3 Correct 30 ms 316 KB Output is correct
4 Correct 33 ms 320 KB Output is correct
5 Correct 32 ms 320 KB Output is correct
6 Correct 31 ms 320 KB Output is correct
7 Correct 34 ms 208 KB Output is correct
8 Correct 30 ms 208 KB Output is correct
9 Correct 41 ms 208 KB Output is correct
10 Correct 34 ms 320 KB Output is correct
11 Correct 30 ms 208 KB Output is correct
12 Correct 36 ms 208 KB Output is correct
13 Correct 39 ms 324 KB Output is correct
14 Correct 30 ms 320 KB Output is correct
15 Correct 30 ms 300 KB Output is correct
16 Correct 34 ms 316 KB Output is correct
17 Correct 29 ms 320 KB Output is correct
18 Correct 37 ms 208 KB Output is correct
19 Correct 37 ms 312 KB Output is correct
20 Correct 31 ms 320 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 3 ms 336 KB Output is correct
5 Correct 3 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 336 KB Output is correct
8 Correct 4 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 3 ms 336 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 3 ms 336 KB Output is correct
14 Correct 5 ms 324 KB Output is correct
15 Correct 4 ms 336 KB Output is correct
16 Correct 4 ms 336 KB Output is correct
17 Correct 5 ms 328 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 4 ms 336 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 3 ms 328 KB Output is correct
23 Correct 3 ms 208 KB Output is correct
24 Correct 3 ms 328 KB Output is correct
25 Correct 3 ms 208 KB Output is correct
26 Correct 3 ms 208 KB Output is correct
27 Correct 4 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 4 ms 208 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 3 ms 208 KB Output is correct
32 Correct 3 ms 336 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 3 ms 336 KB Output is correct
35 Correct 4 ms 208 KB Output is correct
36 Correct 3 ms 208 KB Output is correct
37 Correct 4 ms 208 KB Output is correct
38 Correct 4 ms 208 KB Output is correct
39 Correct 4 ms 336 KB Output is correct
40 Correct 3 ms 336 KB Output is correct