def cutting(n, b, array):
odd, even = 0, 0
for val in array:
if val % 2 == 0: even += 1
else: odd += 1
new_odd, new_even = 0, 0
if array[0] % 2 == 0: new_even += 1; even -= 1
else: new_odd += 1; odd -= 1
cost = []
for i in range(1, len(array) - 1):
if array[i] % 2 == 0: new_even += 1; even -= 1
else: new_odd += 1; odd -= 1
if odd == even and new_odd == new_even:
cost.append(abs(array[i+1]-array[i]))
cost.sort()
cuts = 0
for c in cost:
if c>b: break
b-=c
cuts+=1
print(cuts)
n, b = input().split(' ')
n, b = int(n), int(b)
array = input().split(' ')
array = [int(val) for val in array]
cutting(n, b, array)
#include <bits/stdc++.h>
using namespace std;
int main () {
int n, b;
cin >> n >> b;
int a[n];
for (int i = 0; i < n; i++){
cin >> a[i];
}
int zj = 0, fr = 0;
vector <int> ekh;
for (int i = 0; i < n; i++) {
if (a[i] % 2 == 0) zj ++;
if (a[i] % 2 == 1) fr ++;
if (zj == fr && i != n - 1) {
ekh.push_back(abs(a[i] - a[i + 1]));
}
}
int ans = 0;
sort (ekh.begin(), ekh.end());
for (int i = 0; i < ekh.size(); i++){
if(b >= 0 && ekh[i] <= b){
b -= ekh[i];
ans++;
}
}
cout << ans;
}
1374A - Required Remainder | 1265E - Beautiful Mirrors |
1296A - Array with Odd Sum | 1385A - Three Pairwise Maximums |
911A - Nearest Minimums | 102B - Sum of Digits |
707A - Brain's Photos | 1331B - Limericks |
305B - Continued Fractions | 1165B - Polycarp Training |
1646C - Factorials and Powers of Two | 596A - Wilbur and Swimming Pool |
1462B - Last Year's Substring | 1608B - Build the Permutation |
1505A - Is it rated - 2 | 169A - Chores |
765A - Neverending competitions | 1303A - Erasing Zeroes |
1005B - Delete from the Left | 94A - Restoring Password |
1529B - Sifid and Strange Subsequences | 1455C - Ping-pong |
1644C - Increase Subarray Sums | 1433A - Boring Apartments |
1428B - Belted Rooms | 519B - A and B and Compilation Errors |
1152B - Neko Performs Cat Furrier Transform | 1411A - In-game Chat |
119A - Epic Game | 703A - Mishka and Game |