编辑代码

#include <stdio.h>
#include <stdlib.h>

int findLargestSquare(int length, int width) {
    if (length == width) {
        return length; 
    } else {
        int minSide = length < width ? length : width; 
        int maxSide = length > width ? length : width; 
        int remainder = maxSide % minSide; 
        if (remainder == 0) {
            return minSide; 
        } else {
            return findLargestSquare(minSide, remainder); 
        }
    }
}

int main() {
    int largestSquare = findLargestSquare(168, 64);
    printf("最大的正方形的边长为：%d\n", largestSquare);

    largestSquare = findLargestSquare(192, 64);
    printf("最大的正方形的边长为：%d\n", largestSquare);

    largestSquare = findLargestSquare(123, 64);
    printf("最大的正方形的边长为：%d\n", largestSquare);
    return 0;
}