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index.js
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index.js
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let points = [{
name: 'A',
parents: ['B', 'C']
}, {
name: 'C',
parents: ['D', 'M']
}, {
name: 'D',
parents: ['E']
}, {
name: 'E',
parents: ['P', 'L', 'F']
}, {
name: 'F',
parents: ['C']
}, {
name: 'M',
parents: ['N']
}, {
name: 'N',
parents: ['K']
}, {
name: 'K',
parents: ['M']
}, {
name: 'P',
parents: []
},
{
name: 'L',
parents: []
}, {
name: 'B',
parents: []
}]
function getParents(name) {
let parents = [];
points.map((point) => {
if (name === point.name) {
parents = point.parents;
}
})
return parents;
}
let flag = false;
function scanPath(start, end, path) {
let nextLists = getParents(start);
let nextJump = false;
for (let i = 0; i < nextLists.length; i++) {
nextJump = nextLists[i];
if (path.indexOf(nextJump) < 0) {
console.log('nextJump:' + nextJump)
!flag && path.push(nextJump);
if (nextJump === end) {
flag = true;
}
!flag && scanPath(nextJump, end, path);
}
}
!flag && path.pop();
return path;
}
console.log(scanPath('A', 'F', ['A']));