'; tilesHtml += ''; }); container.innerHTML = tilesHtml; var filterInput = document.getElementById('challenge_filter'); if (filterInput) { filterInput.addEventListener('input', function() { var searchTerm = this.value.toLowerCase().trim(); var tiles = document.querySelectorAll('.challenge_tile'); tiles.forEach(function(tile) { var heading = tile.querySelector('h2'); if (heading) { var text = heading.textContent.toLowerCase(); var parentLink = tile.closest('a'); if (text.indexOf(searchTerm) > -1 || searchTerm === '') { if (parentLink) parentLink.style.display = ''; } else { if (parentLink) parentLink.style.display = 'none'; } } }); }); } })();

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About Code Challenges

Code challenges are interactive coding exercises where you write C++ code to achieve a specific result.

Each challenge presents you with a goal and lets you practice writing real C++ code.

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