下面程序的运行结果是：。#include main( ){ int a[4][5]={{1,2,3,4,0},{2,2,0,0,0},{3,4,5,0,6},{5,0,0,6,0}};int i,j;for (i=0; i<4; i++){for ( j=0; j<5; j++){if (a[i][j]==0)break;printf("%d",a[i][j]);}}printf("\n");}