Erdős problem 60Does every graph on nn vertices with >ex(n;C4)>\mathrm{ex}(n;C_4) edges contain ≫n1/2\gg n^{1/2} many copies of C4C_4?WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 604 retained source recordsCanvaspublic previewSource#60→ResultNone→Checks0