| Title | Topics | Action | |||
|---|---|---|---|---|---|
| 145 | Count Zeros in an ArrayRead an integer n, then read n integers. Count how many of the values are exactl... | easy | ○ Not Started | ArraysLoops | Solve |
| 226 | Find Minimum in an Integer ArrayAn integer array contains `{12, 5, 19, 3, 8}`. Loop through the array and print ... | easy | ○ Not Started | Arrays | Solve |
| 227 | Find Maximum in an Integer ArrayAn int array is given. Find the largest value in it and print that value.
For t... | easy | ○ Not Started | Arrays | Solve |
| 228 | Sum of an Integer ArrayAn int array is given. Add up all of its elements and print the total.
For the ... | easy | ○ Not Started | Arrays | Solve |
| 229 | Average of an Integer ArrayAn int array is given. Compute the integer average of its elements (the sum divi... | easy | ○ Not Started | Arrays | Solve |
| 230 | Print Array ElementsAn int array is given. Print all of its elements on one line, separated by singl... | easy | ○ Not Started | Arrays | Solve |
| 231 | Array LengthAn int array is given. Print how many elements it has.
For the array {3, 1, 4, ... | easy | ○ Not Started | Arrays | Solve |
| 232 | First and Last ElementAn int array is given. Print its first and last elements separated by a single s... | easy | ○ Not Started | Arrays | Solve |
| 233 | Count Even Numbers in an ArrayAn int array is given. Count how many of its elements are even, and print the co... | easy | ○ Not Started | Arrays | Solve |
| 234 | Count Elements Greater Than TenAn int array is given. Count how many of its elements are greater than 10, and p... | easy | ○ Not Started | Arrays | Solve |
| 235 | Sum of Even Numbers in an ArrayAn int array is given. Add up only the even elements and print the total.
For t... | easy | ○ Not Started | Arrays | Solve |
| 236 | Range of an ArrayAn int array is given. The range is the largest element minus the smallest eleme... | easy | ○ Not Started | Arrays | Solve |
| 237 | Does the Array Contain a ValueAn int array is given. Print 'Found' if the value 7 appears anywhere in the arra... | easy | ○ Not Started | Arrays | Solve |
| 238 | Count Occurrences of a ValueAn int array is given. Count how many times the value 2 appears, and print the c... | easy | ○ Not Started | Arrays | Solve |
| 239 | Double Every ElementAn int array is given. Print each element multiplied by 2, on one line separated... | easy | ○ Not Started | Arrays | Solve |
| 240 | Index of the MaximumAn int array is given. Print the index (position, starting from 0) of the larges... | easy | ○ Not Started | Arrays | Solve |
| 376 | Product of All Array ElementsMultiply all elements of the array `{1, 2, 3, 4, 5}` together and print the sing... | easy | ○ Not Started | Arrays | Solve |
| 377 | Count Odd Numbers in an ArrayThe array `{3, 8, 5, 12, 7, 4, 9}` is given. Count how many elements are odd and... | easy | ○ Not Started | Arrays | Solve |
| 378 | Sum of First and Last ElementsThe array `{10, 20, 30, 40, 50}` is given. Print the sum of only its first and l... | easy | ○ Not Started | Arrays | Solve |
| 379 | Print Array Elements in ReverseThe array `{1, 2, 3, 4, 5}` is given. Print each element on its own line, from t... | easy | ○ Not Started | Arrays | Solve |
| 380 | Count Negative Numbers in an ArrayThe array `{4, -2, 7, -8, -1, 3, 0}` is given. Count how many elements are stric... | easy | ○ Not Started | Arrays | Solve |
| 381 | Sum of Odd Numbers in an ArrayThe array `{3, 8, 5, 12, 7, 4, 9}` is given. Add together only the odd elements ... | easy | ○ Not Started | Arrays | Solve |
| 382 | Sum of Squares of Array ElementsThe array `{1, 2, 3, 4}` is given. Square each element and add the squares toget... | easy | ○ Not Started | Arrays | Solve |
| 383 | Count Elements Divisible by ThreeThe array `{9, 4, 3, 7, 12, 5, 18}` is given. Count how many elements are evenly... | easy | ○ Not Started | Arrays | Solve |
| 384 | Swap First and Last ElementsThe array `{1, 2, 3, 4, 5}` is given. Swap the first element with the last eleme... | easy | ○ Not Started | Arrays | Solve |
| 385 | Print Even-Indexed ElementsThe array `{10, 20, 30, 40, 50, 60}` is given. Print only the elements at even i... | easy | ○ Not Started | Arrays | Solve |
| 386 | Count Elements Equal to the FirstThe array `{5, 3, 5, 5, 2, 5}` is given. Count how many elements are equal to th... | easy | ○ Not Started | Arrays | Solve |
| 387 | Largest Absolute ValueThe array `{3, -7, 2, -9, 4}` is given. Find the largest absolute value (magnitu... | easy | ○ Not Started | Arrays | Solve |
| 388 | Count Elements Less Than FiveThe array `{2, 7, 4, 9, 1, 5, 3}` is given. Count how many elements are strictly... | easy | ○ Not Started | Arrays | Solve |
| 147 | Longest Word LengthRead an integer n, then read n words. Find and print the length of the longest w... | medium | ○ Not Started | ArraysLoops | Solve |
| 241 | Second Largest ElementAn int array is given. Find and print the second largest value (the largest valu... | medium | ○ Not Started | Arrays | Solve |
| 242 | Element-wise Sum of Two ArraysTwo int arrays of the same length are given. Print a single line where each posi... | medium | ○ Not Started | Arrays | Solve |
| 243 | Count Elements Above the AverageAn int array is given. Compute its integer average, then count how many elements... | medium | ○ Not Started | Arrays | Solve |
| 244 | Is the Array Sorted AscendingAn int array is given. Print 'Sorted' if every element is less than or equal to ... | medium | ○ Not Started | Arrays | Solve |
| 245 | Reverse an Array In PlaceAn int array is given. Reverse the order of its elements by swapping (without cr... | medium | ○ Not Started | Arrays | Solve |
| 389 | Linear Search for a ValueThe array `{4, 8, 15, 16, 23, 42}` is given. Read a single integer target from s... | medium | ○ Not Started | Arrays | Solve |
| 390 | Second Smallest ElementThe array `{7, 3, 9, 1, 5}` is given. Find and print the SECOND smallest element... | medium | ○ Not Started | Arrays | Solve |
| 391 | Check for Duplicate ValuesThe array `{3, 5, 2, 5, 8}` is given. Determine whether any value appears more t... | medium | ○ Not Started | Arrays | Solve |
| 392 | Check if All Elements Are PositiveThe array `{4, 9, 2, 7, 1}` is given. Print `true` if every element is strictly ... | medium | ○ Not Started | Arrays | Solve |
| 393 | Build a Prefix Sum ArrayThe array `{2, 4, 6, 8}` is given. Build a new array where each position holds t... | medium | ○ Not Started | Arrays | Solve |
| 394 | Best Buy and Sell ProfitThe array `{7, 1, 5, 3, 6, 4}` holds daily prices in order. Find the largest val... | medium | ○ Not Started | Arrays | Solve |
| 395 | Concatenate Two ArraysTwo arrays `a = {1, 2, 3}` and `b = {4, 5, 6}` are given. Build a single array t... | medium | ○ Not Started | Arrays | Solve |
| 396 | Find the Missing NumberThe array `{1, 2, 4, 5, 6}` should contain the numbers `1` through `6`, but exac... | medium | ○ Not Started | Arrays | Solve |
| 397 | Count Pairs Summing to a TargetThe array `{1, 5, 7, -1, 5}` is given. Read a target integer from standard input... | medium | ○ Not Started | Arrays | Solve |
| 246 | Sort an Array AscendingAn int array is given. Sort it into ascending order WITHOUT using Arrays.sort (w... | hard | ○ Not Started | Arrays | Solve |
| 247 | Most Frequent ElementAn int array is given (all values are between 0 and 9). Find the value that appe... | hard | ○ Not Started | Arrays | Solve |
| 248 | Rotate an Array Left by OneAn int array is given. Rotate it one position to the left: every element moves d... | hard | ○ Not Started | Arrays | Solve |
| 398 | Merge Two Sorted ArraysTwo already-sorted arrays `a = {1, 3, 5, 7}` and `b = {2, 4, 6, 8}` are given. M... | hard | ○ Not Started | Arrays | Solve |
| 399 | Move All Zeros to the EndThe array `{0, 1, 0, 3, 12}` is given. Move every `0` to the end while keeping t... | hard | ○ Not Started | Arrays | Solve |
| 400 | Maximum Subarray SumThe array `{-2, 1, -3, 4, -1, 2, 1, -5, 4}` is given. Find the largest possible ... | hard | ○ Not Started | Arrays | Solve |