/*P78 exam8-1-2*/
#include <stdio.h>
main()
{
int ippankou = 1;
int suuretu_wa = 0;
int count;
for ( count = 1; count <= 100; count = count + 1)
{
suuretu_wa = suuretu_wa + ippankou;
ippankou = ippankou + 3;
}
printf("この数列の和は%dです",suuretu_wa
); }
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