} 25 20 题目34 #include<> void main() { int n=6,y=1; while(n) y*=n--; printf(\ } y=720 题目35 #include<> const int M=20; void main() {
int i,c2,c3,c5;
c2=c3=c5=0;
for(i=1; i<=M; i++) { if(i%2==0) c2++; if(i%3==0) c3++; if(i%5==0) c5++; }
printf(\ } 10 6 4 题目36 #include<> void main() { int i,s;
for(i=1,s=0;i<10;i++) { if(i%3==0) continue;
s+=i; }
printf(\ } 27 题目37 #include<> void main() {
int a[8]={12,39,26,41,55,63,72,40}; int i, i1=0, i2=0; for(i=0;i<8;i++)
if(a[i]%2==1) i1++; else i2++; printf(\ } 4 4 题目38
#include<>
int a[10]={4,5,6,15,20,13,12,7,8,9}; void main() {
int i,s[4]=0;
for(i=0; i<10; i++) { switch(a[i]%4) {
case 0: s[0]+=a[i];break; case 1: s[1]+=a[i];break; case 2: s[2]+=a[i];break; default: s[3]+=a[i];break; } }
for(i=0; i<4; i++) printf(\ }
44 27 6 22
题目39 #include<> void main() {
char a[]=\ int i1=0, i2=0, i=0; while(a[i]) { if(a[i]=='a') i1++; if(a[i]=='b') i2++; i++; }
printf(\ } 2 3 11 题目40 #include<> void main() {
国家开放大学C语言程序设计A第二次形考任务及答案
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