Not compiling in LeetCode but compiles & runs on OnlineGDB

Not compiling in LeetCode but compiles & runs on OnlineGDB onlinegfb Welcome to GDB Online GDB online is an online compiler and debugger tool for C, C++, Python, PHP, Ruby, C#, VB, Perl, Swift, Prolog, Javascript, Pascal, onlinegfb The best OnlineGDB alternatives based on verified products, community votes, reviews and other factors Filter: 6 Open-Source Alternatives ·

onlinegfb The Online GDB compiler is a compiler and debugger for widely used programming languages, including C, Python, Java, PHP, Ruby, Perl, and others

onlinegfb File Save Info & history Reload; Open recent Backends Follow Start TogetherJS Download; Print Edit Clear messages; View changes OnlineGDB is described as 'Com is an online compiler and debugger tool for CC++ Code, compile and run program in browser and debug program