C :

#include<stdio.h>
#include<string.h>
int main()
{	
	int xue[4],a[4][5],i,k;
	double s=0,w=0,x[4]={0},y[4]={0};
	for(i=0;i<4;i++)
	{
		scanf("%d",&xue[i]);
		for(k=0;k<5;k++)
		{
			scanf("%d",&a[i][k]);
		}
	}

	for(i=0;i<4;i++)
	{
		s += a[i][0];
	}
	s=s/4.;
	printf("%.2lf\n",s);

	for(i=0;i<4;i++)
	{s=0;
		
		for(k=0;k<5;k++)
		{
			if(a[i][k]<60)
				s++;
		}	
		for(k=0;k<5;k++)
		{  
			if(a[i][k]>=85)
				x[i]++;
			else break;

		}

		if(s>=2)
		{	printf("%d ",xue[i]);
				for(k=0;k<5;k++)
				{
					printf("%d ",a[i][k]);
					w+=a[i][k];
				}
				w=w/5;
				printf("%.2lf\n",w);
		}
		
				for(k=0;k<5;k++)
				{
					y[i]+=a[i][k];
				}
				y[i]=y[i]/5;
		
	}
for(i=0;i<4;i++)
{
	if(x[i]==5) printf("%d ",xue[i]);
    else if(y[i]>=90)  printf("%d ",xue[i]);
}
printf("\n");
return 0;

}

C++ :

#include <stdio.h>
int main() {
	void request1(int id[], int score[][5], int n);
	void request2(int id[], int score[][5], int n);
	void request3(int id[], int score[][5], int n);
	int id[4], score[4][5];
	int i, j;
	for (i = 0;i < 4;i++) {
		scanf("%d", &id[i]);
		for (j = 0;j < 5;j++)
			scanf("%d", &score[i][j]);
	}
	request1(id, score, 4);
	request2(id, score, 4);
	request3(id, score, 4);
	return 0;
}
/* 第一个要求 */
void request1(int id[], int score[][5], int n) {
	int i;
	float total_score, aveg_score;
	total_score = 0;
	for (i = 0;i < n;i++)
		total_score += score[i][0];
	aveg_score = total_score / n;
	printf("%.2f\n", aveg_score);
}
/* 第二个要求 */
void request2(int id[], int score[][5], int n) {
	int i, j, less_than_60;
	float total_score, aveg_score;
	for (i = 0;i < n;i++) {
		/* 统计该学生有多少门不及格 */
		less_than_60 = 0;
		for (j = 0;j < 5;j++)
			if (score[i][j] < 60)
				less_than_60++;
		if (less_than_60 >= 2) {
			printf("%d ", id[i]);
			total_score = 0;
			for (j = 0;j < 5;j++) {
				printf("%d ", score[i][j]);
				total_score += score[i][j];
			}
			aveg_score = total_score / 5;
			printf("%.2f\n", aveg_score);
		}
	}
}
/* 第三个要求 */
void request3(int id[], int score[][5], int n) {
	int i, j, not_less_than_85;
	float total_score, aveg_score, eps = 1e-5;
	for (i = 0;i < n;i++) {
		total_score = 0;
		not_less_than_85 = 0;
		/* 统计该学生有多少门在85分（含）以上，并计算平均分 */
		for (j = 0;j < 5;j++) {
			if (score[i][j] >= 85)
				not_less_than_85++;
			total_score += score[i][j];
		}
		aveg_score = total_score / 5;
		/* 这里的eps的作用是保证实数大小比较的准确性 */
		if (not_less_than_85 == 5 || aveg_score >= 90 - eps)
			printf("%d ", id[i]);
	}
	printf("\n");
}

Pascal :

Program TK1296;
var a:array[1..4]of record 
        t,no:longint; x:real;
        f:array[1..5]of longint;
    end; c1:real;
    k,i,j:longint;

Begin 
	for i:=1 to 4 do with a[i] do begin 
		read(no);
		for j:=1 to 5 do begin 	
			read(f[j]); x:=x+f[j];
			if f[j]<60 then inc(t);
		end; x:=x/5;
	end;
	for i:=1 to 4 do c1:=c1+a[i].f[1];
	c1:=c1/4; writeln(c1:0:2);
	for i:=1 to 4 do with a[i] do 
		if t>=2 then begin  
			write(no,' '); 
			for j:=1 to 5 do write(f[j],' ');
			writeln(x:0:2);
		end;
	for i:=1 to 4 do with a[i] do begin 
		if x>=90 then begin 
			write(no,' '); continue;
		end; k:=0;
		for j:=1 to 5 do if f[j]<85 then k:=1;
		if k=0 then write(no,' ');
	end; writeln;
End.