#include <stdio.h>
#define on 1
int main()
{
int a, b, i, wa = 0, seki = 1;
for (i = a; i <= b; i++) {
wa += i;
seki *= i;
#if on
printf("wa=%d seki=%d\n", wa
, seki
); #endif
}
printf("wa=%d seki=%d\n", wa
, seki
); return 0;
}
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