oj.uz

Submission #680686

# Submission time Handle Problem Language Result Execution time Memory
680686 2023-01-11T14:03:38 Z QwertyPi Koala Game (APIO17_koala) C++14
29 / 100
 70 ms 444 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] == 0 && b[1] == 0){
			return minValue(N, W);
		}
		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;
			for(int i = 0; i < N; i++) cout << a[i] << ' '; cout << endl;
			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 'void solve(int, int, int*, std::vector<int>&)':
koala.cpp:93:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   93 |    for(int i = 0; i < N; i++) cout << a[i] << ' '; cout << endl;
      |    ^~~
koala.cpp:93:52: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   93 |    for(int i = 0; i < N; i++) cout << a[i] << ' '; cout << endl;
      |                                                    ^~~~
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:75:1: warning: control reaches end of non-void function [-Wreturn-type]
   75 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 5 ms 208 KB Output is correct
4 Correct 6 ms 320 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 316 KB Output is correct
2 Correct 12 ms 208 KB Output is correct
3 Correct 12 ms 208 KB Output is correct
4 Correct 12 ms 320 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 324 KB Output is correct
2 Incorrect 1 ms 208 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 312 KB Output is correct
2 Correct 37 ms 316 KB Output is correct
3 Correct 31 ms 320 KB Output is correct
4 Correct 34 ms 208 KB Output is correct
5 Correct 30 ms 312 KB Output is correct
6 Correct 31 ms 208 KB Output is correct
7 Correct 30 ms 320 KB Output is correct
8 Correct 31 ms 324 KB Output is correct
9 Correct 30 ms 208 KB Output is correct
10 Correct 35 ms 312 KB Output is correct
11 Correct 32 ms 208 KB Output is correct
12 Correct 29 ms 328 KB Output is correct
13 Correct 32 ms 312 KB Output is correct
14 Correct 32 ms 340 KB Output is correct
15 Correct 30 ms 316 KB Output is correct
16 Correct 31 ms 296 KB Output is correct
17 Correct 32 ms 316 KB Output is correct
18 Correct 38 ms 316 KB Output is correct
19 Correct 32 ms 444 KB Output is correct
20 Correct 31 ms 208 KB Output is correct

Subtask #5
0 / 53.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -