static/chunks/766-12dbb05e2adf85ab.js","4150","static/chunks/app/courses/%5BcourseSlug%5D/lessons/%5BunitSlug%5D/page-1fc213a0f4568bd8.js"],"Image"] 3b:T6e1,#include #include int main() { // Connect to the Redis server redisContext* context = redisConnect("127.0.0.1", 6379); if (context == nullptr || context->err) { if (context) { std::cerr << "Connection error: " << context->errstr << std::endl; } else { std::cerr << "Connection error: can't allocate Redis context" << std::endl; } return 1; } // Adding scores and members to a sorted set redisReply* reply; reply = (redisReply*)redisCommand(context, "ZADD leaderboard 100 Alice 400 Bob 300 Charlie 350 Alice"); freeReplyObject(reply); // Retrieving top players reply = (redisReply*)redisCommand(context, "ZREVRANGE leaderboard 0 1 WITHSCORES"); if (reply->type == REDIS_REPLY_ARRAY) { std::cout << "Top 2 players: "; for (size_t i = 0; i < reply->elements; i += 2) { std::cout << "(" << reply->element[i]->str << ", " << reply->element[i + 1]->str << ") "; } std::cout << std::endl; } freeReplyObject(reply); // Retrieve players with lowest scores reply = (redisReply*)redisCommand(context, "ZRANGE leaderboard 0 1 WITHSCORES"); if (reply->type == REDIS_REPLY_ARRAY) { std::cout << "Lowest 2 players: "; for (size_t i = 0; i < reply->elements; i += 2) { std::cout << "(" << reply->element[i]->str << ", " << reply->element[i + 1]->str << ") "; } std::cout << std::endl; } freeReplyObject(reply); // Removing members from a sorted set reply = (redisReply*)redisCommand(context, "ZREM leaderboard Alice"); freeReplyObject(reply); // Free the context redisFree(context); return 0; }