Submission #6691444


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<?php
fscanf(STDIN, "%d", $n);
$cnt = 0;
for ($i = 1; $i <= $n; $i++) {
    if (strlen($i) % 2 === 1) {
        $cnt++;
    }
}
echo $cnt.PHP_EOL;

Submission Info

Submission Time
Task B - Uneven Numbers
User hideyuk1
Language PHP7 (7.0.15)
Score 200
Code Size 154 Byte
Status
Exec Time 18 ms
Memory 4728 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 a01, a02, a03
All 200 / 200 a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13
Case Name Status Exec Time Memory
a01 11 ms 4728 KB
a02 9 ms 4604 KB
a03 18 ms 4604 KB
b04 9 ms 4604 KB
b05 9 ms 4604 KB
b06 9 ms 4604 KB
b07 9 ms 4604 KB
b08 9 ms 4604 KB
b09 9 ms 4604 KB
b10 9 ms 4604 KB
b11 13 ms 4604 KB
b12 18 ms 4604 KB
b13 18 ms 4604 KB