PazeE-Language/tests/loops.pe

// loops.pe — 验证 while / do-while / for / 嵌套循环 / break / continue
int main(void)
{
    // while 累加 1..100
    int sum = 0;
    int i = 1;
    while (i <= 100) {
        sum += i;
        i++;
    }
    printf("sum(1..100) = %d\n", sum);        // 5050

    // do-while 阶乘
    int n = 5;
    int fact = 1;
    do {
        fact *= n;
        n--;
    } while (n > 0);
    printf("5! = %d\n", fact);                 // 120

    // 嵌套 for + break/continue：收集 a==b 时的 a*b
    int diag = 0;
    for (int a = 1; a <= 3; a++) {
        for (int b = 1; b <= 3; b++) {
            if (a == b) { diag += a * b; continue; }
            if (a + b > 5) break;
        }
    }
    printf("diag = %d\n", diag);               // 1+4+9 = 14

    // continue 跳过偶数，累加奇数
    int oddsum = 0;
    for (int k = 0; k < 10; k++) {
        if (k % 2 == 0) continue;
        oddsum += k;
    }
    printf("oddsum = %d\n", oddsum);           // 1+3+5+7+9 = 25

    // do-while 至少执行一次（条件初值即假）
    int once = 0;
    int z = 10;
    do { once++; } while (z < 0);
    printf("once = %d\n", once);               // 1

    return 0;
}