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c language

created May 25th 2023, 20:26 by ANONYMOSYT


1


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170 words
1 completed
00:00
#include <stdio.h>
 
int main() {
    // Data types
    int num = 10;
    float pi = 3.14;
    char letter = 'A';
    double largeNum = 1234567890.1234567890;
     
    // Control flow statements
    if (num > 0) {
        printf("Positive number\n");
    } else {
        printf("Negative number\n");
    }
     
    for (int i = 0; i < num; i++) {
        printf("%d ", i);
    }
    printf("\n");
     
    while (num > 0) {
        printf("%d ", num);
        num--;
    }
    printf("\n");
     
    // Functions
    int add(int a, int b) {
        return a + b;
    }
     
    int sum = add(5, 3);
    printf("Sum: %d\n", sum);
     
    // Pointers
    int* ptr = &num;
    printf("Value: %d\n", *ptr);
     
    // Arrays
    int arr[] = {1, 2, 3, 4, 5};
    for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++) {
        printf("%d ", arr[i]);
    }
    printf("\n");
     
    // Structures
    struct Point {
        int x;
        int y;
    };
     
    struct Point p;
    p.x = 10;
    p.y = 20;
    printf("Point: (%d, %d)\n", p.x, p.y);
     
    // File handling
    FILE* file = fopen("example.txt", "w");
    if (file != NULL) {
        fputs("Hello, World!", file);
        fclose(file);
    }
     
    return 0;
}
 

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