// CF template, version 3.0
#include <bits/stdc++.h>
#include "mushrooms.h"
using namespace std;
#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}
//#define int long long int
template <typename T, typename I>
struct segtree {
int n;
vector<T> tree;
vector<I> initial;
T id;
segtree(int i_n, vector<I> i_initial, T i_id): n(i_n), initial(i_initial), id(i_id) {
tree.resize(4 * n);
}
T conquer(T left, T right) {
// write your conquer function
}
T value(I inp) {
// write your value function
}
void build(int v, int l, int r) {
if (l == r) tree[v] = value(initial[l]);
else {
int middle = (l + r) / 2;
build(2 * v, l, middle);
build(2 * v + 1, middle + 1, r);
tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
}
}
void upd(int v, int l, int r, int i, I x) {
if (l == r) tree[v] = value(x);
else {
int middle = (l + r) / 2;
if (middle >= i) upd(2 * v, l, middle, i, x);
else upd(2 * v + 1, middle + 1, r, i, x);
tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
}
}
T query(int v, int l, int r, int ql, int qr) {
if (ql <= l && r <= qr) return tree[v];
else if (r < ql || qr < l) return id;
int middle = (l + r) / 2;
T left = query(2 * v, l, middle, ql, qr);
T right = query(2 * v + 1, middle + 1, r, ql, qr);
return conquer(left, right);
}
};
// vector<int>
int count_mushrooms(int n) {
int a = 1;
int b = 0;
vector<int> A;
vector<int> B;
A.push_back(0);
if (n == 2) {
vector<int> X;
X.push_back(0);
X.push_back(1);
int pairs = use_machine(X);
if (pairs == 0) a++;
return a;
}
vector<int> X;
X.push_back(0);
X.push_back(1);
int pairs = use_machine(X);
if (pairs == 0) a++, A.push_back(1);
else b++, B.push_back(1);
X.pop_back();
X.push_back(2);
pairs = use_machine(X);
if (pairs == 0) a++, A.push_back(2);
else b++, B.push_back(2);
n -= 2;
forto(min((n - 1) / 2, 140), i) {
vector<int> X;
bool flag = false;
if (A.size() < 2) {
flag = true;
swap(A, B);
swap(a, b);
}
X.push_back(A[0]);
X.push_back(2 * i + 3);
X.push_back(A[1]);
X.push_back(2 * i + 4);
int pairs = use_machine(X);
switch (pairs) {
case 0:
a += 2;
A.push_back(2 * i + 3);
A.push_back(2 * i + 4);
break;
case 1:
a++;
A.push_back(2 * i + 3);
b++;
B.push_back(2 * i + 4);
break;
case 2:
a++;
A.push_back(2 * i + 3);
b++;
B.push_back(2 * i + 4);
break;
case 3:
b += 2;
B.push_back(2 * i + 3);
B.push_back(2 * i + 4);
break;
}
if (flag) {
swap(A, B);
swap(a, b);
}
}
if (n > 283) {
n -= 283;
int ind = 283;
while (n) {
int num = min(n, 141);
vector<int> X;
if (A.size() >= 142) {
forto(num, i) X.push_back(A[i]), X.push_back(ind + i);
X.push_back(A[num]);
int pairs = use_machine(X);
a += num - pairs / 2;
} else {
forto(num, i) X.push_back(B[i]), X.push_back(ind + i);
X.push_back(B[num]);
int pairs = use_machine(X);
a += pairs / 2;
}
n -= num;
ind += num;
}
} else if (n % 2 == 0) {
vector<int> X;
X.push_back(0);
X.push_back(n - 1);
int pairs = use_machine(X);
if (pairs == 0) a++;
}
return a;
}
Compilation message
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
| ^
mushrooms.cpp:98:5: note: in expansion of macro 'forto'
98 | forto(min((n - 1) / 2, 140), i) {
| ^~~~~
mushrooms.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
| ^
mushrooms.cpp:147:17: note: in expansion of macro 'forto'
147 | forto(num, i) X.push_back(A[i]), X.push_back(ind + i);
| ^~~~~
mushrooms.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
| ^
mushrooms.cpp:152:17: note: in expansion of macro 'forto'
152 | forto(num, i) X.push_back(B[i]), X.push_back(ind + i);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
344 KB |
Answer is not correct. |
| 3 |
Halted |
0 ms |
0 KB |
- |
