Battle Simulation

input/code.cpp: In function 'int main()':
input/code.cpp:7:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.size(); i++) {
                             ^
input/code.cpp:8:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i + 2 < s.size() && s[i] != s[i + 1] && s[i + 1] != s[i + 2] && s[i] != s[i + 2]) {
                      ^

#include <bits/stdc++.h>
using namespace std;

int main() {
	string s;
	cin >> s;
	for (int i = 0; i < s.size(); i++) {
		if (i + 2 < s.size() && s[i] != s[i + 1] && s[i + 1] != s[i + 2] && s[i] != s[i + 2]) {
			cout << 'C';
			i += 2;
		} else {
			if (s[i] == 'R') {
				cout << 'S';
			}
			if (s[i] == 'B') {
				cout << 'K';
			}
			if (s[i] == 'L') {
				cout << 'H';
			}
		}
	}
	cout << endl;
	return 0;
}

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

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED