title: Program Print Sum Given Nth Term
signature: function programPrintSumGivenNthTerm(n: number): number {
source_py: def program_print_sum_given_nth_term(n):
      S = 0
      for i in range(1, (n + 1)):
          S += ((i * i) - ((i - 1) * (i - 1)))
      return S
source_cpp: int program_print_sum_given_nth_term(long n) {
    int S = 0;
    for ( int i = 1;
    i <= n;
    i ++ ) S += i * i - ( i - 1 ) * ( i - 1 );
    return S;
  }
question_info.test_list: [{"idx": 0, "outputs": 1521, "inputs": {"n": 39}}, {"idx": 1, "outputs": 400, "inputs": {"n": 20}}, {"idx": 2, "outputs": 100, "inputs": {"n": 10}}, {"idx": 3, "outputs": 1521, "inputs": {"n": 39}}, {"idx": 4, "outputs": 4900, "inputs": {"n": 70}}, {"idx": 5, "outputs": 441, "inputs": {"n": 21}}, {"idx": 6, "outputs": 441, "inputs": {"n": 21}}, {"idx": 7, "outputs": 6400, "inputs": {"n": 80}}, {"idx": 8, "outputs": 7921, "inputs": {"n": 89}}, {"idx": 9, "outputs": 9801, "inputs": {"n": 99}}]
question_info.entry_cls_name: Solution
question_info.test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value: any): string{
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual: number, expected: number): boolean {
      return convertToString(actual) === convertToString(expected);
  }
  
  function driver(n: number, expected:number): string {
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(n),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver(39, 1521);
    console.log(`TEST-0...${result}`);
  
    result = driver(20, 400);
    console.log(`TEST-1...${result}`);
  
    result = driver(10, 100);
    console.log(`TEST-2...${result}`);
  
    result = driver(39, 1521);
    console.log(`TEST-3...${result}`);
  
    result = driver(70, 4900);
    console.log(`TEST-4...${result}`);
  
    result = driver(21, 441);
    console.log(`TEST-5...${result}`);
  
    result = driver(21, 441);
    console.log(`TEST-6...${result}`);
  
    result = driver(80, 6400);
    console.log(`TEST-7...${result}`);
  
    result = driver(89, 7921);
    console.log(`TEST-8...${result}`);
  
    result = driver(99, 9801);
    console.log(`TEST-9...${result}`);
  
  };
  
  main();
question_info.extension: ts
question_info.entry_fn_name: programPrintSumGivenNthTerm
question_info.test_case_ids: 0 1 2 3 4 5 6 7 8 9
question_info.commands: tsc --target es2020 --lib es5,dom,es2015,es2020 __FILENAME__
question_info.commands: node __FILENAME__.js