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int main(int argc, char* argv[]){ float a[3][3],sum1,sum2; for(int i=0;i<3;i++){ for(int j=0;j<3;j++){printf("输入第%d行第%d列的元素:",i+1,j+1);scanf("%f",&a[j]); }}sum1=0;sum2=0;for (i=1;i<3;i++){ sum1+=a; sum2+=a[2-i];}printf("对角线和分别为%4.1f,%4.1f\n",sum1,sum2);return 0;} |
