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authorOmar Magdy <omar.professional8777@gmail.com>2022-06-25 18:32:00 +0200
committerOmar Magdy <omar.professional8777@gmail.com>2022-06-25 18:32:00 +0200
commit7c3f32fab3b1a9d628d6856e7a923eb3c3b1ce5f (patch)
tree484c58be6bc4ceadf35010ed8b81854994903503 /codechef/MagicalDoors
parenta0a07a438b6804fdca0e18b2d626ceedb982611c (diff)
downloadcompetitive-programming-7c3f32fab3b1a9d628d6856e7a923eb3c3b1ce5f.tar.xz
competitive-programming-7c3f32fab3b1a9d628d6856e7a923eb3c3b1ce5f.zip
Solved a couple of problems from codechef and codeforces
Diffstat (limited to 'codechef/MagicalDoors')
-rw-r--r--codechef/MagicalDoors/inp0
-rwxr-xr-xcodechef/MagicalDoors/mainbin0 -> 23840 bytes
-rw-r--r--codechef/MagicalDoors/main.cpp21
-rw-r--r--codechef/MagicalDoors/main_input0.txt4
-rw-r--r--codechef/MagicalDoors/main_output0.txt3
5 files changed, 28 insertions, 0 deletions
diff --git a/codechef/MagicalDoors/inp b/codechef/MagicalDoors/inp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/codechef/MagicalDoors/inp
diff --git a/codechef/MagicalDoors/main b/codechef/MagicalDoors/main
new file mode 100755
index 0000000..e31eb87
--- /dev/null
+++ b/codechef/MagicalDoors/main
Binary files differ
diff --git a/codechef/MagicalDoors/main.cpp b/codechef/MagicalDoors/main.cpp
new file mode 100644
index 0000000..91b03a6
--- /dev/null
+++ b/codechef/MagicalDoors/main.cpp
@@ -0,0 +1,21 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+ ios_base::sync_with_stdio(false);
+ cin.tie(NULL);
+ int tt;
+ cin >> tt;
+ while(tt--){
+ string s;
+ cin >> s;
+ int ans = 0, x = 0;
+ for (auto ch : s) {
+ char c = '0' + (x ^ (ch - '0'));
+ ans += (c == '0');
+ x ^= (c == '0');
+ }
+ cout << ans << '\n';
+ }
+}
diff --git a/codechef/MagicalDoors/main_input0.txt b/codechef/MagicalDoors/main_input0.txt
new file mode 100644
index 0000000..438d07b
--- /dev/null
+++ b/codechef/MagicalDoors/main_input0.txt
@@ -0,0 +1,4 @@
+3
+111
+010
+10011
diff --git a/codechef/MagicalDoors/main_output0.txt b/codechef/MagicalDoors/main_output0.txt
new file mode 100644
index 0000000..420bd58
--- /dev/null
+++ b/codechef/MagicalDoors/main_output0.txt
@@ -0,0 +1,3 @@
+0
+3
+2