From 7172d4f401f22192abc1e116a9a88c5078eb082f Mon Sep 17 00:00:00 2001
From: mjkwiatkowski <mati.rewa@gmail.com>
Date: Mon, 1 Jun 2026 14:34:18 +0200
Subject: initial commit

---
 158A/main     | Bin 0 -> 19776 bytes
 158A/main.cpp |  28 ++++++++++++++++++++++++++++
 1A/main       | Bin 0 -> 16176 bytes
 1A/main.cpp   |  21 +++++++++++++++++++++
 231A/main     | Bin 0 -> 24216 bytes
 231A/main.cpp |  25 +++++++++++++++++++++++++
 263A/main     | Bin 0 -> 16328 bytes
 263A/main.cpp |  30 ++++++++++++++++++++++++++++++
 282A/main     | Bin 0 -> 24792 bytes
 282A/main.cpp |  25 +++++++++++++++++++++++++
 327A/main     | Bin 0 -> 19776 bytes
 327A/main.cpp |  36 ++++++++++++++++++++++++++++++++++++
 4A/main       | Bin 0 -> 16224 bytes
 4A/main.cpp   |  20 ++++++++++++++++++++
 50A/main      | Bin 0 -> 16176 bytes
 50A/main.cpp  |  15 +++++++++++++++
 71A/main      | Bin 0 -> 45496 bytes
 71A/main.cpp  |  26 ++++++++++++++++++++++++++
 18 files changed, 226 insertions(+)
 create mode 100755 158A/main
 create mode 100644 158A/main.cpp
 create mode 100755 1A/main
 create mode 100644 1A/main.cpp
 create mode 100755 231A/main
 create mode 100644 231A/main.cpp
 create mode 100755 263A/main
 create mode 100644 263A/main.cpp
 create mode 100755 282A/main
 create mode 100644 282A/main.cpp
 create mode 100755 327A/main
 create mode 100644 327A/main.cpp
 create mode 100755 4A/main
 create mode 100644 4A/main.cpp
 create mode 100755 50A/main
 create mode 100644 50A/main.cpp
 create mode 100755 71A/main
 create mode 100644 71A/main.cpp

diff --git a/158A/main b/158A/main
new file mode 100755
index 0000000..4f69aa6
Binary files /dev/null and b/158A/main differ
diff --git a/158A/main.cpp b/158A/main.cpp
new file mode 100644
index 0000000..036e560
--- /dev/null
+++ b/158A/main.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+int main(){
+        int a,b;
+        vector<int> v;
+        cin>>a>>b;
+        int c;
+
+        for(int i = 0; i < a; i++){
+                cin>>c;
+                v.push_back(c);
+        } 
+       
+        int k = v.at(b - 1);
+        int count = 0;
+
+        for(int i = 0; i < v.size(); i++){
+                if(v.at(i) >= k && v.at(i) > 0){
+                        count++;
+                }
+        }
+        cout<<count;
+
+
+        return 0;
+}
diff --git a/1A/main b/1A/main
new file mode 100755
index 0000000..de28b64
Binary files /dev/null and b/1A/main differ
diff --git a/1A/main.cpp b/1A/main.cpp
new file mode 100644
index 0000000..d4a9bbd
--- /dev/null
+++ b/1A/main.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+int main() {
+        long long a,b,c;
+        cin>>a>>b>>c;
+        
+        long long widthwise = a / c; 
+        if(a % c != 0){
+                widthwise++;
+        }
+        long long lengthwise = b / c;
+        if(b % c != 0){
+                lengthwise++;
+        }
+        long long result = lengthwise*widthwise; 
+        cout<<result;
+
+        return 0;
+}
diff --git a/231A/main b/231A/main
new file mode 100755
index 0000000..7cfa5d5
Binary files /dev/null and b/231A/main differ
diff --git a/231A/main.cpp b/231A/main.cpp
new file mode 100644
index 0000000..25c8637
--- /dev/null
+++ b/231A/main.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+int main(){
+        int a; 
+        int score=0;
+        string str; 
+        getline(cin, str,'\n');
+        a = stoi(str);
+        for(int i = 0; i < a; i++){
+                getline(cin, str,'\n');
+                int score2=0;
+                for(int j = 0; j < str.size(); j++){
+                       if(str.at(j) == '1'){
+                               score2++;
+                       } 
+                }
+                if(score2 >= 2){
+                        score++;
+                }
+        }
+        cout<<score;
+        return 0;
+}
diff --git a/263A/main b/263A/main
new file mode 100755
index 0000000..b0c1be3
Binary files /dev/null and b/263A/main differ
diff --git a/263A/main.cpp b/263A/main.cpp
new file mode 100644
index 0000000..8630ae2
--- /dev/null
+++ b/263A/main.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <math.h>
+
+using namespace std; 
+
+#define SZ 5 
+
+// Remember: never store the matrix
+// If you have to, store it as array
+int main(void){
+        int a; 
+        int b,c;
+        for(int i = 0; i < SZ; i++){
+                for(int j = 0; j < SZ; j++){
+                        cin>>a;
+                        if(a == 1){
+                                b = i; 
+                                c = j;
+                                goto result;
+                        }
+                } 
+        }
+result:
+        int rows = abs(2 - c);
+        int columns = abs(2 - b);
+        cout<<rows+columns<<endl;
+        
+
+        return 0;
+}
diff --git a/282A/main b/282A/main
new file mode 100755
index 0000000..4f4162e
Binary files /dev/null and b/282A/main differ
diff --git a/282A/main.cpp b/282A/main.cpp
new file mode 100644
index 0000000..b40012d
--- /dev/null
+++ b/282A/main.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main(){
+       string a; 
+       getline(cin, a); 
+       int b = stoi(a);
+       int c = 0;
+       for(int i = 0; i < b; i++){
+               getline(cin, a, '\n');
+               if(a.compare("X++") == 0){
+                       c++;
+               } else if (a.compare("++X") == 0){
+                       ++c;
+               } else if (a.compare("--X") == 0){
+                       --c; 
+               } else {
+                       c--;
+               }
+       }
+       cout<<c;
+       return 0;
+}
diff --git a/327A/main b/327A/main
new file mode 100755
index 0000000..4b4db6d
Binary files /dev/null and b/327A/main differ
diff --git a/327A/main.cpp b/327A/main.cpp
new file mode 100644
index 0000000..640a378
--- /dev/null
+++ b/327A/main.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main(void){
+        int a,b;
+        cin>>a;
+        vector<int> v1;
+        for(int i = 0; i < a; i++){
+                cin>>b;
+                v1.push_back(b);
+        }
+        
+        int zeroes = 0; 
+        int max_zeroes = 0;
+        int ones = 0; 
+        
+        for(int i = 0; i < v1.size(); i++){
+                if(v1.at(i) == 0){
+                        zeroes++;
+                        if(zeroes > max_zeroes){
+                                max_zeroes = zeroes;
+                        }
+                }
+                if(v1.at(i) == 1){
+                        if(zeroes != 0) zeroes--;
+                        if(v1.size() != 1) ones++;
+                }
+        }
+        if(max_zeroes == 0 && v1.size() != 1){
+                ones -= 1;
+        }
+        cout<<ones + max_zeroes; 
+        return 0;
+}
diff --git a/4A/main b/4A/main
new file mode 100755
index 0000000..c11717e
Binary files /dev/null and b/4A/main differ
diff --git a/4A/main.cpp b/4A/main.cpp
new file mode 100644
index 0000000..ba7d771
--- /dev/null
+++ b/4A/main.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+
+using namespace std;
+
+int main(){
+        int a = 0; 
+        cin>>a;
+        int even = (a % 2) ? 0 : 1;
+        if(!even){
+                cout<<"NO";
+                return 0;
+        }
+        a -= 2;
+        if(a <= 0){
+                cout<<"NO";
+                return 0;
+        }
+        cout<<"YES";
+        return 0;
+}
diff --git a/50A/main b/50A/main
new file mode 100755
index 0000000..ad31018
Binary files /dev/null and b/50A/main differ
diff --git a/50A/main.cpp b/50A/main.cpp
new file mode 100644
index 0000000..4e90b43
--- /dev/null
+++ b/50A/main.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+
+using namespace std;
+
+using namespace std;
+int main(){
+        int a,b;
+        cin>>a>>b;
+        int count = 0;
+        count += (b*a/2);
+        // 4.5 gets rounded to 4
+        cout<<count;
+
+        return 0;
+}
diff --git a/71A/main b/71A/main
new file mode 100755
index 0000000..e7d0bd3
Binary files /dev/null and b/71A/main differ
diff --git a/71A/main.cpp b/71A/main.cpp
new file mode 100644
index 0000000..bbc9111
--- /dev/null
+++ b/71A/main.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+int main(){
+        int a;
+        string str;
+        vector<string> v1;
+        cin>>a; 
+        v1.resize(a);
+        for(int i = 0; i < a; i++){
+                cin>>str;
+                int b = str.size();
+                v1.at(i) = str;
+                if(b > 10){
+                       v1.at(i) = str.at(0) + to_string(b - 2) + str.at(str.size() - 1);
+                }
+        }
+        for(int i = 0; i < a; i++){
+                cout<<v1.at(i)<<endl;
+        }
+
+        return 0;
+}
-- 
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