function trapWater(heights: number[]): number {
  console.log(heights)
  // TODO: Implementa tu solución aquí

  if (heights.length < 2)
    return 0;

  var count = 0;
  for (var i = 0; i < heights.length; i++) {
    var x = heights[i];

    if (i == 0) {
      if (heights[1] > x) {
        continue;
      }
    }
    else if (heights[i + 1] > x) {
      continue;
    }
    console.log("x="+x)
    var a: number[] = [];
    for (var j = i; j < heights.length; j++) {
      if (j != i) {
        console.log(a)
        if (x <= heights[j]) {
          i = j-1;

          var items = 0;
          for (var k = 0; k < a.length; k++) {
            items += heights[a[k]];
          }


          count += (x * a.length) - items;
          console.log("count"+count)         
          a = [];
          break;
        }
        else
          a.push(j);
      }
    
    }

  }

  if(count>0)
  return count;

  return 0;
}

// No modificar: necesario para evaluar el resultado.
export { trapWater };