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| author | crupest <crupest@outlook.com> | 2020-07-15 17:01:16 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-07-15 17:01:16 +0800 |
| commit | be7e712cd8605f045fabba10c53dbb46c186ec58 (patch) | |
| tree | ace42447fd3addf822be7daf3c328d8263fe44bb /works/solutions/cpp | |
| parent | 357142db7dddeba12d95ade496abf0e9732bfc1d (diff) | |
| download | crupest-be7e712cd8605f045fabba10c53dbb46c186ec58.tar.gz crupest-be7e712cd8605f045fabba10c53dbb46c186ec58.tar.bz2 crupest-be7e712cd8605f045fabba10c53dbb46c186ec58.zip | |
import(solutions): Add problem 7 .
Diffstat (limited to 'works/solutions/cpp')
| -rw-r--r-- | works/solutions/cpp/7.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/works/solutions/cpp/7.cpp b/works/solutions/cpp/7.cpp new file mode 100644 index 0000000..a1a05c1 --- /dev/null +++ b/works/solutions/cpp/7.cpp @@ -0,0 +1,18 @@ +class Solution
+{
+public:
+ int reverse(int x)
+ {
+ int result = 0;
+ while (x != 0)
+ {
+ int digit = x % 10;
+ x /= 10;
+ if (__builtin_smul_overflow(result, 10, &result))
+ return 0;
+ if (__builtin_sadd_overflow(result, digit, &result))
+ return 0;
+ }
+ return result;
+ }
+};
|