Submission #3392495

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Source Code Expand

#include "bits/stdc++.h"

using namespace std;
using ll = long long;
using ull = unsigned long long;

typedef pair< long long, long long > P;
typedef pair< long long, P > PP;
typedef pair< P, P > PPP;

const double DINF = 5e14, eps = 1e-10;
const long long MOD = 1e9 + 7, INF = 5e18;
const int di[4] = { 1,0,-1,0 }, dj[4] = { 0,1,0,-1 };

#define fr first
#define sc second
#define pb push_back
#define eb emplace_back
#define ALL(x) (x).begin(),(x).end()

int n, a[1001], ans;

int main() {
	cin >> n;
	for (int i = 0;i < n;i++)cin >> a[i];
	for (int i = 0;i < n-1;i++) {
		if (a[i] == a[i + 1])ans++, a[i + 1] = 10000;
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result