int main(void) {
int i; time_t t; int a[15];
srand((unsigned) time(&t));
printf(\ for (i=1; i<=15; i++) {
a[i]=rand()0; printf(\ if(i%5==0) printf(\ }
system(\ return 0; }
2. Çó³ön¸öѧÉúÒ»ÃſγÌÖеÄ×î¸ß³É¼¨ºÍ×îµÍ³É¼¨¼°¸ßÓÚÆ½¾ù³É¼¨µÄÈËÊý¡£ #include
#define n 10 //×¢Ò⣬ºê¶¨Òådefine ºó²»´ø·ÖºÅ½áÊø·û¡£ main() {
int a[n] = {60,100,70,67,90,99,89,40,77,56}; int avg=0,num=0,sum=0,max,min; int i;
for(i=0;i<10;i++) {
sum+=a[i]; }
avg=sum/n; min=a[0]; max=a[0];
for(i=0;i<10;i++) {
if(a[i] min=a[i]; if(a[i]>max) max=a[i]; if(a[i]>avg) num++; } printf(\ printf(\ system(\ } 3. //·½·¨1£ºÊ¹ÓÃÊý×飬Çó³öÏÂÁÐÊýÁеÄǰ20Ïî¡£1£¬1£¬2£¬4£¬7£¬13£¬¡¡ #include long a[20] = {1,1}; long sum=0; int i; for(i=3;i<20;i++) { a[i] = a[i-1]+a[i-2]+a[i-3]; } for(i=0;i<20;i++) { sum+=a[i]; } printf(\ system(\ } //·½·¨2£ºÊ¹ÓÃÊý×飬Çó³öÏÂÁÐÊýÁеÄǰ20Ïî¡£1£¬1£¬2£¬4£¬7£¬13£¬¡¡ #include long a[20] = {1,1}; long sum=2; int i; for(i=3;i<20;i++) { a[i] = a[i-1]+a[i-2]+a[i-3]; sum+=a[i] } printf(\ system(\ } 4. #include int i,temp; int a[n]={0,1,2,3,4,5}; for(i=0;i<=(n-1)/2;i++) { temp=a[i]; a[i]=a[n-1-i]; a[n-1-i]=temp; } for(i=0;i 5. //ÓÐ10¸öѧÉúÒ»Ãſγ̳ɼ¨£¬Ê¹ÓÃÑ¡ÔñÅÅÐò·¨½«³É¼¨´Ó¸ßÏòµÍÅÅÐò¡£ #include int main() { int i,j,k,t,min; int a[10]={77,99,69,76,87,90,100,88,66,80}; for(i=0;i<10;++i) {//Ñ¡³ö×îСֵËùÔÚµÄλÖÃj min=65535;//¿ÉÊÔÊԴ˾䲻ÔÚÑ»·ÄڵĽá¹û¡£ for(k=i;k<10;k++) { if(a[k] if(i!=j) {//½»»» t=a[i]; a[i]=a[j]; a[j]=t; } } for(i=0;i<10;i++) printf(\ system(\ return 0; } ʵÑéÁù£¨µÚ6ÕÂʵÑé¶þ£© ʵÑéÄ¿µÄ£º 1£® ÕÆÎÕ¶þάÊý×éµÄʹÓ÷½·¨¡£ 2£® Êý×éµÄ×ÛºÏÓ¦ÓᣠʵÑéÄÚÈÝ£º 1£®½«Ò»¸öһάÊý×éa[9]Öи÷ÔªËØÖµ°´ÐеÄ˳Ðò·ÅÈë¶þάÊý×éb[3¡Á3]¡£ 2£®ÓÐÒ»¸öm¡Án¾ØÕ󣬸÷ÔªËØÖµÓÉËæ»úÊý²úÉú£¬½«¾ØÕóÔö¼ÓÒ»ÁУ¬Çó¾ØÕóÿһÐеÄÔªËØÖµµÄºÍ£¬²¢½«Ã¿Ò»ÐеÄÔªËØÖµµÄºÍ·ÅÈëÔö¼ÓÁС£ 3£®ÓÐÒ»¸öm¡Án¾ØÕó£¬ÕÒ³ö×î´óÔªËØÖµ¼°Æä×î´óÔªËØÖµËùÔÚµÄÐС¢ÁÐλÖᣠ4£®ÓÐn¸ö¿¼Éú£¬Ã¿¸ö¿¼ÉúÓп¼ºÅºÍÒ»¸ö×ֳܷɼ¨£¬Èç¹û¼ȡmÈË£¬È·¶¨Â¼È¡·ÖÊýÏߣ¬²¢Êä³ö¼ȡ¿¼ÉúµÄ¿¼ºÅºÍ³É¼¨¡£ 5£®½«¾ØÕóm(n,n)¶Ô½ÇÏßÉϵÄÔªËØÖÃΪ1£¬ÆäÓàÔªËØÖÃΪ0¡£ ʵÑé¹ý³Ì£º ʵÑé½á¹û£º 1. //½«Ò»¸öһάÊý×éa[9]Öи÷ÔªËØÖµ°´ÐеÄ˳Ðò·ÅÈë¶þάÊý×éb[3*3] #include int main() { int i,j; int b[3][3]; int a[10]={77,99,69,76,87,90,100,88,66}; for(i=0;i<3;++i) for(j=0;j<3;j++) b[i][j]=a[3*i+j]; for(i=0;i<3;i++) { for(j=0;j<3;j++) { printf(\ } printf(\ } system(\ return 0; } 2. //ÓÐÒ»¸öm¡Án¾ØÕ󣬸÷ÔªËØÖµÓÉËæ»úÊý²úÉú£¬½«¾ØÕóÔö¼ÓÒ»ÁУ¬Çó¾ØÕóÿһÐеÄÔªËØÖµµÄºÍ£¬²¢½«Ã¿Ò»ÐеÄÔªËØÖµµÄºÍ·ÅÈëÔö¼ÓÁС£ #include