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authorYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-12 16:04:50 +0800
commit77e6cdc863d2cbd9df578a665804daf28d8593fe (patch)
tree62c9f3e071d8d1d6fe125fe801907db11784332e /works/solutions/leetcode/cpp/299.cpp
parent10eb95869601e145b1d8bc909424777c25752d51 (diff)
parenta557fa36a22c5ef4a29da596ee1e3aa10be55984 (diff)
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import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/299.cpp')
-rw-r--r--works/solutions/leetcode/cpp/299.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/299.cpp b/works/solutions/leetcode/cpp/299.cpp
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+++ b/works/solutions/leetcode/cpp/299.cpp
@@ -0,0 +1,44 @@
+#include <string>
+
+using std::string;
+
+class Solution
+{
+public:
+ string getHint(string secret, string guess)
+ {
+ int a = 0;
+
+ int secret_digit_count[10] = {0};
+
+ auto secret_iter = secret.cbegin();
+ auto guess_iter = guess.cbegin();
+
+ while (secret_iter != secret.cend())
+ {
+ auto secret_digit = *secret_iter;
+ auto guess_digit = *guess_iter;
+
+ secret_digit_count[secret_digit - '0']++;
+
+ if (secret_digit == guess_digit)
+ a++;
+
+ ++secret_iter;
+ ++guess_iter;
+ }
+
+ int b = 0;
+ for (auto c : guess)
+ {
+ auto digit = c - '0';
+ if (secret_digit_count[digit])
+ {
+ b++;
+ secret_digit_count[digit]--;
+ }
+ }
+
+ return std::to_string(a) + "A" + std::to_string(b - a) + "B";
+ }
+};