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authorcrupest <crupest@outlook.com>2021-04-05 20:45:07 +0800
committercrupest <crupest@outlook.com>2021-04-05 20:45:07 +0800
commit02df09d6e18db2380028e82923ccaba3bfbbec0d (patch)
treecec9ec9e1d23dd68b8d25a371cc1ceafeebc7a22 /works/solutions/leetcode/cpp
parentb0cb34e532c7b94d04cda246d2080bafd86aad38 (diff)
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import(solutions): Add leetcode 69.
Diffstat (limited to 'works/solutions/leetcode/cpp')
-rw-r--r--works/solutions/leetcode/cpp/69.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/69.c b/works/solutions/leetcode/cpp/69.c
new file mode 100644
index 0000000..9914fff
--- /dev/null
+++ b/works/solutions/leetcode/cpp/69.c
@@ -0,0 +1,14 @@
+int mySqrt(int x) {
+ long long l = 0, r = x;
+
+ while (l != r) {
+ long long m = (l + r + 1) / 2;
+ if (m * m <= x) {
+ l = m;
+ } else {
+ r = m - 1;
+ }
+ }
+
+ return l;
+}