3 回答#include <stdio.h> int main() { int arr[3][3] = {{1,2,3},{4,5,6},{7,8,9}}; int i,j; int sum=0; for(i=0;i<3;i++) { for(j=0;j<3;j++) { if(i+j==0||i+j==2||i+j==4) {sum+=arr[i][j];} }

2 回答#include <stdio.h> int main() { int a[10] = {0}; for (int i = 0; i < 10 , i++) { a[i] = arc4random()%50; printf ("%d",a[i]); } for (int i = 0; i < 10-1 ;i++ ) { for(int j = 0;j< 10-1-i ;j++) {

4 回答#include <stdio.h> #define N 10; int sum(int score[]) { int i,n; for(i=0;i<10;i++) n+=score[i]; printf("%d",n); } int max(int score[]) { int i,ma=0; for(i=0;i<10;i++) { if(score[i]>ma) ma=score[i]; } printf(

1 回答#include <stdio.h> int getIndex(int arr[5],int value) { int i; int index; for(i=0;i<5;i++) { /* 請完善數(shù)組查詢功能 */ if(arr[i]==value) { index=i;break; } index=-1; } r

4 回答include <stdio.h> void replaceMax(int arr[],int value) { int max = arr[0]; int index = 0; int i; for(i=1;i<5;i++) { if(arr[i]>max) { max=arr[i]; //將數(shù)組中較大的數(shù)賦值給max index = i; //記錄當前索引