C言語の演算子一覧｜優先順位と使い方

C言語の演算子一覧｜優先順位と使い方 (c言語 演算子): practical C programming guide with runnable standard C17 source code that you can edit, compile, and test directly in your browser.

1. C言語の演算子一覧｜優先順位と使い方

This guide covers c言語 演算子 in standard C (C17) with clear syntax rules and practical compiler patterns. You can run and modify the complete C program below in the online GCC compiler without installing a local IDE.

2. c言語 演算子 — Syntax & Best Practices

When working with c言語 演算子, always compile with -Wall -Wextra, initialize variables before reading them, and verify input/boundary conditions to prevent undefined behavior.

#include <stdio.h>

int main(void) {
    int x = 17, y = 5;
    printf("add=%d sub=%d mul=%d div=%d mod=%d\n", x + y, x - y, x * y, x / y, x % y);
    printf("precedence: 2 + 3 * 4 = %d\n", 2 + 3 * 4);
    return 0;
}