kickstart2022

kickstart2022/a.cpp

@@ -0,0 +1,29 @@
+#include<iostream>
+#include<string>
+using namespace std;
+int main(){
+    int t;
+    cin >> t;
+    for(int tc=1; tc<=t; tc++){
+        string i, p;
+        cin >> i >> p;
+        int ans =0;
+        int size_i = i.size();
+        int size_p = p.size();
+        int j=0;
+        int k=0;
+        cout << "Case #" << tc <<": ";
+        for(j; j<size_i; j++){
+            while(k <size_p && i[j] != p[k])
+                k++;
+            if( k == size_p)
+                break;
+            k++;
+        }
+        if( j == size_i)
+            cout << p.size() - i.size() << '\n';
+        else
+            cout << "IMPOSSIBLE\n";
+
+    }
+}

kickstart2022/b.cpp

@@ -0,0 +1,43 @@
+#include<iostream>
+#include<vector>
+#include<string>
+using namespace std;
+int main(){
+    ios_base::sync_with_stdio(false);
+    cin.tie(0);
+    int t;
+    cin >> t;
+    for(int tc=1; tc<=t; tc++){
+        string n;
+        cin >> n;
+        int size =n.size();
+        int sum = 0;
+        for(int i=0; i< size; i++)
+            sum += (n[i] - '0');
+        int newdigit = 9 - sum % 9;
+        if(newdigit ==9)
+            newdigit = 0;
+
+        cout << "Case #" << tc << ": ";
+        if(newdigit ==0){
+            cout << n[0];
+            cout << newdigit;
+            for(int i = 1; i<size; i++)
+                cout << n[i];
+        }
+        else{
+            int i = 0;
+            for(i; i<size; i++){
+                if( n[i] <= newdigit + '0')
+                    cout << n[i];
+                else
+                    break;
+            }
+            cout <<  newdigit ;
+            for(i; i<size; i++){
+                cout << n[i];
+            }
+        }
+        cout << '\n';
+    }
+}

kickstart2022/c.cpp

@@ -0,0 +1,26 @@
+#include<iostream>
+#include<string>
+using namespace std;
+
+
+int main(){
+    int t;
+    cin >> t;
+    for(int tc=1; tc<=t; tc++){
+        int n;
+        string s;
+        cin >> n >> s;
+        bool ans = false;
+        for(int i=0; i < s.size(); i++){
+            if(check(i)){
+                ans = true;
+                break;
+            }
+        }
+        cout << "Case #" << tc << ": ";
+        if(ans)
+            cout << "POSSIBLE\n";
+        else
+            cout << "IMPOSSIBLE\n";
+    }
+}

kickstart2022/d.cpp

@@ -0,0 +1,24 @@
+#include<iostream>
+using namespace std;
+int main(){
+    int t;
+    cin >> t;
+    for(int tc=1; tc<=t; tc++){
+        long long a, b;
+        cin >> a >> b;
+        long long ans=0;
+        for(long long i=a; i<=b; i++){
+            long num = i;
+            long sum =0;
+            long product = 1;
+            while(num){
+                sum += num%10;
+                product *= num%10;
+                num /= 10;
+            }   
+            if( product % sum ==0)
+                ans++;
+        }
+        cout << "Case #" << tc << ": " << ans << '\n';
+    }
+}