【算法题】免单统计(js)
2023-12-13 20:05:39
const line1 = [
"3",
"2019-01-01 00:00:00.001",
"2019-01-01 00:00:00.002",
"2019-01-01 00:00:00.003",
];
const line2 = [
"3",
"2019-01-01 08:59:00.123",
"2019-01-01 08:59:00.123",
"2018-12-28 10:08:00.999",
];
const line3 = [
"5",
"2019-01-01 00:00:00.004",
"2019-01-01 00:00:00.004",
"2019-01-01 00:00:01.006",
"2019-01-01 00:00:01.006",
"2019-01-01 00:00:01.005",
];
function solution(line) {
const num = parseInt(line[0]);
const times = [];
for (let i = 1; i < 1 + num; i++) {
times.push(line[i]);
}
const map = new Map();
for (let i = 0; i < times.length; i++) {
const timeParts = times[i].split(".")[0];
const millisecondPart = parseInt(times[i].split(".")[1]);
if (map.has(timeParts)) {
if (millisecondPart < map.get(timeParts).value) {
map.set(timeParts, {
...map.get(timeParts),
value: millisecondPart,
time: 1,
});
} else if (millisecondPart === map.get(timeParts).value) {
map.set(timeParts, {
...map.get(timeParts),
time: map.get(timeParts).time + 1,
});
} else {
continue;
}
} else {
map.set(timeParts, { value: millisecondPart, time: 1 });
}
}
let sum = 0;
for (const [key, value] of map) {
sum += value.time;
}
return sum;
}
console.log(solution(line2));
/*
3
2019-01-01 00:00:00.001
2019-01-01 00:00:00.002
2019-01-01 00:00:00.003
=>
1
3
2019-01-01 08:59:00.123
2019-01-01 08:59:00.123
2018-12-28 10:08:00.999
=>
3
5
2019-01-01 00:00:00.004
2019-01-01 00:00:00.004
2019-01-01 00:00:01.006
2019-01-01 00:00:01.006
2019-01-01 00:00:01.005
=>
3
*/
文章来源:https://blog.csdn.net/qq_43682422/article/details/134978323
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