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Question link: Codeforces 977A Wrong Subtraction solution in CPP Wrong Subtraction #include<bits/stdc++.h> using namespace std; int main() { int n,k,r=0; cin>>n>>k; for(int i=1;i<=k;i++) { r=n%10; if(r==0) { n/=10; } else { n=n-1; } } cout<<n; } Code Explanation This is a C++ code that takes two integers n and k as input from the user, … Read more
Sum of an array in c Example 1 #include <stdio.h> int main() { int arr[5] = {1, 2, 3, 4, 5}; // Declare and initialize an array of 5 integers int sum = 0; int i; // Calculate the sum of the elements in the array for (i = 0; i < 5; i++) { … Read more
What is an array in C? An array in C is a collection of elements of the same data type, arranged in contiguous memory locations. Each element of an array can be accessed by an index, which represents its position within the array. Arrays in C are declared by specifying the data type of the … Read more
Codeforces 59AWord Solution question Codeforces 59AWord Solution in CPP #include<iostream> #include<string> #include<algorithm> using namespace std; int main() { string a; int l=0,u=0; cin>>a; for(int i=0;i<a.size();i++) { if(a[i]>=’a’&& a[i]<=’z’) { l++; } else u++; } if(l>=u){ for(int i=0;i<a.size();i++)//Codeforces 59A.Word Solution a[i]=tolower(a[i]); cout<<a<<endl; } else { for(int i=0;i<a.size();i++) { a[i]=toupper(a[i]); } cout<<a<<endl; } } Codeforces 59AWord Solution … Read more
Codeforces Elephant Question Elephant Codeforces solution in C++ An elephant decided to visit his friend. It turned out that the elephant’s house is located at point 0 and his friend’s house is located at point x(x > 0) of the coordinate line. In one step the elephant can move 1, 2, 3, 4 or 5 positions forward. Determine, what is the minimum number of steps he need to … Read more
Codeforces 546A. Soldier and Bananas Question A. Soldier and Bananas A soldier wants to buy w bananas in the shop. He has to pay k dollars for the first banana, 2k dollars for the second one and so on (in other words, he has to pay i·k dollars for the i-th banana). He has n dollars. How many dollars does he have to borrow from his … Read more
Array Addition using 2d array in C #include<stdio.h> void main() { int i,j; int a[3][4],b[3][4],c[3][4]; for(i=0;i<3;i++){ for(j=0;j<4;j++){ printf(“a[%d][%d]”,i,j); scanf(“%d”,&a[i][j]); } } for(i=0;i<3;i++){ for(j=0;j<4;j++){ printf(“%d “,a[i][j]); } printf(“\n”); } for(i=0;i<3;i++){ for(j=0;j<4;j++){ printf(“b[%d][%d]”,i,j); scanf(“%d”,&b[i][j]); } } for(i=0;i<3;i++){ for(j=0;j<4;j++){ printf(“%d “,b[i][j]); } printf(“\n”); } printf(“\n”); printf(“sum of two array is :\n”); for(i=0;i<3;i++){ for(j=0;j<4;j++){ c[i][j]=a[i][j]+b[i][j]; } } for(i=0;i<3;i++){ for(j=0;j<4;j++){ … Read more
Understanding 2D Arrays in C Multidimensional arrays in C are those that have more than one dimension. They can be compared to a table with columns and rows. In C, a multidimensional array can be declared using the following syntax: data_type array_name[row_size][column_size]; For instance, we may write the following to declare a 2D array with … Read more
How to start programming? Starting to learn to program can seem daunting, but with the right approach, it can be a fun and rewarding experience. Here are some steps to help you get started: Remember that programming is a skill that takes time and practice to develop. Stay motivated, be persistent, and enjoy the learning … Read more
Question Stones on the Table Codeforces Solution in C++ Problem:There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring … Read more
