1. #include <stdio.h>
main(){
int i=1,sum=0;
while (i<=10) { sum+=i; i++; } printf("%d",sum); }
2. #include <stdio.h>
main(){
int n,i=1,sum=0;
printf("양의정수\n"); scanf("%d",&n);
while (i<=n) { if(i%2 == 0) sum+=i; i++;
} printf("%d",sum); }
3.
#include <stdio.h>
main(){
int n,i=1,sum=1;
printf("n을 입력하시오\n"); scanf("%d",&n);
while(i<=n){ sum*=i;
i++; } printf("%d",sum);
return 0;
}
5. #include <stdio.h>
main(){
int i=10; float sum=0;
while (i<=100) { sum=(float)5/9*(i-32);
printf("%f\n",sum); i=i+10; }
return 0; }
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