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e2-a.js
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e2-a.js
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const dijkstras = require('./dijkstras');
var g = dijkstras.createGraph();
g.addVertex('1', {
2: 3,
6: 1,
5: 8,
3: 5,
});
g.addVertex('2', {
1: 3,
3: 2,
7: 1,
});
g.addVertex('3', {
2: 2,
4: 1,
8: 2,
1: 5,
});
g.addVertex('4', {
3: 1,
5: 4,
});
g.addVertex('5', {
4: 4,
8: 1,
1: 8,
6: 6,
});
g.addVertex('6', {
1: 1,
7: 5,
5: 6,
});
g.addVertex('7', {
2: 1,
8: 1,
6: 5,
});
g.addVertex('8', {
7: 1,
3: 2,
5: 1,
});
// operações
var pathStart = '2';
var pathEnd = '5';
var shortestPath = g.shortestPath(pathStart, pathEnd);
var distance = g.calcDistance(shortestPath);
console.log('Caminho mais curto de ' + pathStart + ' à ' + pathEnd + ': [ ' + shortestPath.toString().replace(/\,/g, ' => ') + ' ]');
console.log('A distância/peso do caminho é: ' + distance);