...要将a的行和列的元素互换后存到另一个二维数组b中,试编程答:include <stdio.h> int main(){ int a[2][3]={{1,2,3},{4,5,6}},b[3][2],i,j;for(i=0;i<2;i++)for(j=0;j<3;j++)b[j][i]=a[i][j];for(i=0;i<3;i++){ for(j=0;j<2;j++)printf("%d ",b[i][j]);printf("\n");} return 0;} ...
C++中怎么用指针变量求一个一维数组中所有元素的最大值和平均值?_百度...答:main(){ int a[]={1,2,3,5,4},max,*p=&max;float av,*q=&av;void f(int a[],int *p,float *q);f(a,p,q);printf("max=%d\nav=%f\n",max,av);}
编写一个求二维数组主对角线元素和的函数sum( ),在主函数中初始化数组...答:include <iostream>using namespace std;int sum(int a[][4]){int i,j,s=0;for(i=0;i<4;i++)for(j=0;j<4;j++)if(i==j) s+=a[i][j];return s;}int main(){int a[][4]={11,22,33,44,25,35,45,55,18,28,38,48,55,66,77,88};cout<<sum(a);return 0;} ...