Types · easy

2. Numbers & uint

Unsigned integers and basic arithmetic.

Add a `uint256 public count` and a function `increment()` that adds 1 to it.

Required in your answer: uint256 public countcount += 1function increment

Compiles with solc in your browser

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract Counter {
    // TODO: uint256 public count;
    // TODO: function increment() external
}

Output appears here.

← 1. Hello, Solidity 3. Booleans & if →