Forgotten measurements

#include <iostream>
using namespace std;
int cnt[256];
int main() {
	string s;
	cin>>s;
	for(char c: s) {
		cnt[(int)c]++;
	}
	int res = min(cnt['D'],cnt['U']) + min(cnt['L'], cnt['R']);
	cout<<res<<'\n';
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED