用c++输入长和宽，输出矩形简单一些

#include <stdio.h>

int main() {
    int length, width;
    printf("请输入矩形的长和宽:\n");
    scanf("%d%d", &length, &width);
    printf("矩形的面积是: %d\n", length * width);
    printf("矩形的周长是: %d\n", 2 * (length + width));
    return 0;
}