摘要：
import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing. ; public class zczz { public stati 阅读全文
摘要：
include include int main(){ int r,c; int a[r][c]; printf("请分别输入行数和列数："); scanf("%d%d",&r,&c); int i,j; printf("请输入一个%d行，%d列的矩阵：\n", r,c); for(i = 0; i 阅读全文