题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;
void (async function () {
// Write your code here
while ((line = await readline())) {
let tokens = line.split(" ");
let candidateSize = parseInt(tokens[0]);
line = await readline();
let candidates = line.split(" ");
line = await readline();
let voterSize = parseInt(line.split(" ")[0]);
line = await readline();
let voteTickets = line.split(" ");
let invalid = 0;
let statData = new Map();
for (let i = 0; i < candidateSize; i++) {
statData.set(candidates[i], 0);
}
for (let i = 0; i < voterSize; i++) {
let ticket = voteTickets[i];
if(statData.get(ticket) !== undefined){
statData.set(ticket, statData.get(ticket) + 1);
}else{
invalid++;
}
}
for (const [k, v] of statData) {
console.log(k + " : " + v);
}
console.log("Invalid : " + invalid);
}
})();