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;
}
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1038B - Non-Coprime Partition | 43A - Football |
50A - Domino piling | 479A - Expression |
1480A - Yet Another String Game | 1216C - White Sheet |
1648A - Weird Sum | 427A - Police Recruits |
535A - Tavas and Nafas | 581A - Vasya the Hipster |
1537B - Bad Boy | 1406B - Maximum Product |
507B - Amr and Pins | 379A - New Year Candles |
1154A - Restoring Three Numbers | 750A - New Year and Hurry |
705A - Hulk | 492B - Vanya and Lanterns |
1374C - Move Brackets | 1476A - K-divisible Sum |
1333A - Little Artem | 432D - Prefixes and Suffixes |