
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>

int cumulativeSum(int n);

TEST_CASE("Cumulative sum for n=1 should be 1", "[cumulativeSum]") {
    REQUIRE(cumulativeSum(1) == 1);
}

TEST_CASE("Cumulative sum for n=5 should be 15", "[cumulativeSum]") {
    REQUIRE(cumulativeSum(5) == 15);
}

TEST_CASE("Cumulative sum for n=10 should be 55", "[cumulativeSum]") {
    REQUIRE(cumulativeSum(10) == 55);
}

TEST_CASE("Cumulative sum for n=100 should be 5050", "[cumulativeSum]") {
    REQUIRE(cumulativeSum(100) == 5050);
}

test.cpp

Master the essential loop constructs in C, including while, for, and do-while loops, as well as control statements like break and continue. This course is designed for learners who already understand variables and conditionals, focusing on practical usage and concise explanations.

Explore the while loop in C, including its syntax, practical use cases, and related control statements.

Challenge: Cumulative Sum

解答