cat 8-1.c [9:33:13] #include int main() { int i,j,row=0,colum=0,max; int a[3][4]={{3,4,16,2},{7,5,1,9},{11,23,3,8}}; max=a[0][0]; for(i=0;i<3;i++) for(j=0;j<4;j++) if(a[i][j]>max) { max=a[i][j]; row=i+1; colum=j+1; } printf("max=%d\trow=%d\tcolum=%d\n",max,row,colum); return 0; } cat 8-2.c [9:45:06] #include int main() { char c[][6]={{'*','*','*','*','*','*'},{'*',' ',' ',' ',' ','*'},{'*',' ',' ',' ',' ','*'},{'*',' ',' ',' ',' ','*'},{'*',' ',' ',' ',' ','*'},{'*','*','*','*','*','*'}}; int i,j; for(i=0;i<6;i++) { for(j=0;j<6;j++) printf("%c ",c[i][j]); printf("\n"); } return 0; } ./8-3 [9:51:10] China Chengdu China Chengdu shiyanlou:~/ $ cat 8-3.c [9:51:16] #include #include int main() { char str[]="China\nChengdu"; printf("%s\n",str); puts(str); return 0; } ./8-4 [9:54:24] shiyanlou! shiyanlou! shiyanlou! shiyanlou:~/ $ cat 8-4.c [9:54:52] #include #include int main() { char str[20]; gets(str); printf("%s\n",str); puts(str); return 0; } ./8-5 [10:09:36] sdf wdf acg The result is : acg shiyanlou:~/ $ cat 8-5.c [10:10:20] #include #include int main() { char string[30]; char ch[3][30]; int i; for(i=0;i<3;i++) gets(ch[i]); strcpy(string,ch[0]); for(i=1;i<3;i++) if(strcmp(ch[i],string)<0) strcpy(string,ch[i]); printf("The result is :\t%s\n",string); return 0; } ./work-1 [10:17:15] avg=23 7is bigger than avg.% shiyanlou:~/ $ cat work-1.c [10:17:20] #include int main() { int c[20]={1,2,3,4,5,6,7,8,9,10,21,22,23,24,25,36,47,58,69,80}; int i,avg,count=0,sum=0; for(i=0;i<20;i++) sum=sum+c[i]; avg=sum/20; for(i=0;i<20;i++) if(c[i]>avg) count++; printf("avg=%d\t%dis bigger than avg.",avg,count); return 0; } ./work-2 [10:48:24] 2505208802505208802505208802505208802505208802505208802505208802505208802505208802505208802505208802The rabit is the No.1 hole. The rabit is the No.3 hole. The rabit is the No.4 hole. The rabit is the No.6 hole. The rabit is the No.7 hole. 2202202202202202202202202202202202202202202202202202202202202202202202202202202202202202202202202202The rabit is the No.1 hole. shiyanlou:~/ $ cat work-2.c [10:48:32] #include int main() { int c[9]={0,0,0,0,0,0,0,0,0}; // int c[10]={0,0,0,0,0,0,0,0,0,0}; int i,j=0,count=0; for (i=2;count<100;i++) { c[j%9]=1; // c[j%10]=1; j=i+j; count++; printf("%d",j%9); } for (i=0;i<9;i++) { if(c[i]==0) printf("The rabit is the No.%d hole.\n",i); } int d[3]={0,0,0}; // int c[10]={0,0,0,0,0,0,0,0,0,0}; j=0; count=0; for (i=2;count<100;i++) { d[j%3]=1; // c[j%10]=1; j=i+j; count++; printf("%d",j%3); } for (i=0;i<3;i++) { if(d[i]==0) printf("The rabit is the No.%d hole.\n",i); } return 0; }

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