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authoromagdy7 <omar.professional8777@gmail.com>2024-05-27 16:30:12 +0300
committeromagdy7 <omar.professional8777@gmail.com>2024-05-27 16:30:12 +0300
commit5565beca67266d65b28d0c0ad5d1a06178ede73f (patch)
tree9e932a7e8b778bb8b38d60c196881dcd7e2e0d3c /cses/IntroductoryProblems/BitStrings
parent8e8da93654eedfc65e366fa5c97e08b37673fbbc (diff)
downloadcompetitive-programming-5565beca67266d65b28d0c0ad5d1a06178ede73f.tar.xz
competitive-programming-5565beca67266d65b28d0c0ad5d1a06178ede73f.zip
Solved two dp problems on cses
Diffstat (limited to 'cses/IntroductoryProblems/BitStrings')
-rwxr-xr-xcses/IntroductoryProblems/BitStrings/main.cpp11
-rw-r--r--cses/IntroductoryProblems/BitStrings/main_input1.txt1
-rw-r--r--cses/IntroductoryProblems/BitStrings/main_input2.txt1
-rw-r--r--cses/IntroductoryProblems/BitStrings/main_output2.txt1
4 files changed, 9 insertions, 5 deletions
diff --git a/cses/IntroductoryProblems/BitStrings/main.cpp b/cses/IntroductoryProblems/BitStrings/main.cpp
index cb4a7fb..480a9ae 100755
--- a/cses/IntroductoryProblems/BitStrings/main.cpp
+++ b/cses/IntroductoryProblems/BitStrings/main.cpp
@@ -1,16 +1,17 @@
-#include<bits/stdc++.h>
+#include <bits/stdc++.h>
using namespace std;
-int main () {
+int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
int m = 1e9 + 7;
cin >> n;
- long long ans = 0;
- while(n--) {
- ans += ((2 % m) * (2 % m)) % m;
+ n--;
+ long long ans = 2;
+ while (n--) {
+ ans = ((ans % m) * 2) % m;
}
cout << ans << '\n';
}
diff --git a/cses/IntroductoryProblems/BitStrings/main_input1.txt b/cses/IntroductoryProblems/BitStrings/main_input1.txt
new file mode 100644
index 0000000..c793025
--- /dev/null
+++ b/cses/IntroductoryProblems/BitStrings/main_input1.txt
@@ -0,0 +1 @@
+7 \ No newline at end of file
diff --git a/cses/IntroductoryProblems/BitStrings/main_input2.txt b/cses/IntroductoryProblems/BitStrings/main_input2.txt
new file mode 100644
index 0000000..c793025
--- /dev/null
+++ b/cses/IntroductoryProblems/BitStrings/main_input2.txt
@@ -0,0 +1 @@
+7 \ No newline at end of file
diff --git a/cses/IntroductoryProblems/BitStrings/main_output2.txt b/cses/IntroductoryProblems/BitStrings/main_output2.txt
new file mode 100644
index 0000000..b854a29
--- /dev/null
+++ b/cses/IntroductoryProblems/BitStrings/main_output2.txt
@@ -0,0 +1 @@
+128 \ No newline at end of file