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https://gitlab.com/mfocko/Codeforces.git
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67 lines
No EOL
881 B
C++
67 lines
No EOL
881 B
C++
#include <iostream>
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#include <string>
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namespace {
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using namespace std;
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int remove(const std::string& s) {
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int counter = 0;
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for (auto i = 0; i < s.size() - 1; ++i) {
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if (s[i] == s[i + 1]) {
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++counter;
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}
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}
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return counter;
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}
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void solve() {
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int size;
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cin >> size;
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std::string line;
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cin >> line;
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cout << remove(line) << "\n";
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}
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} // namespace
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// for single test case, comment out for ‹N› test cases
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#define SINGLE
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#ifndef TEST
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int main(void) {
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#ifdef SINGLE
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solve();
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#else
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// for multiple test cases
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int N;
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std::cin >> N >> std::ws;
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for (auto i = 0; i < N; ++i) {
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solve();
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}
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#endif
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return 0;
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}
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#else
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#include "../.common/cpp/catch_amalgamated.hpp"
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TEST_CASE("examples") {
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CHECK(remove(std::string("RRG")) == 1);
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CHECK(remove(std::string("RRRRR")) == 4);
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CHECK(remove(std::string("BRBG")) == 0);
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}
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#endif |