int a[5][5] = {...}//是什么数按照亲的要求,以逗号分隔输入25个就行//输出int i = 0;int j = 0;for(i = 0;i<5:i++)for(j = 0;j<5;j++){printf("%d",a[i][j]);if(j = = 4){printf("\n");}else{printf(" ");}}