Contents

class Rectangles {

  static count(diagram) {
    const rows = diagram.length;
    const cols = rows ? diagram[0].length : 0;

    let rectangles = 0;

    // All possible topleft corners
    for (let y = 0; y < rows - 1; y++) {
      for (let x = 0; x < cols - 1; x++) {
        if (diagram[y].charAt(x) === '+') {
          // All possible bottomright corners
          for (let j = y + 1; j < rows; j++) {
            for (let i = x + 1; i < cols; i++) {
              // Check if all corners are valid
              if (diagram[j].charAt(i) === '+' && diagram[y].charAt(i) === '+' && diagram[j].charAt(x) === '+') {
                let validRectangle = true;

                // Check if all sides are valid
                for (let s = x + 1; s < i; s++) if (!'+-'.includes(diagram[y].charAt(s))) validRectangle = false;
                for (let s = x + 1; s < i; s++) if (!'+-'.includes(diagram[j].charAt(s))) validRectangle = false;
                for (let t = y + 1; t < j; t++) if (!'+|'.includes(diagram[t].charAt(x))) validRectangle = false;
                for (let t = y + 1; t < j; t++) if (!'+|'.includes(diagram[t].charAt(i))) validRectangle = false;

                if (validRectangle) rectangles++;
              }
            }
          }
        }
      }
    }

    return rectangles;
  }
}

export default Rectangles;

Version data entries

117 entries across 117 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.158	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.157	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.156	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.155	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.154	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.153	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.152	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.151	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.150	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.149	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.148	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.147	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.146	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.145	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.144	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.143	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.142	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.141	tracks/ecmascript/exercises/rectangles/example.js
trackler-2.2.1.140	tracks/ecmascript/exercises/rectangles/example.js