#include <stdio.h>
int main() {
int a, b, c, d;
c = a*b;
d = 2*(a + b);
printf("面積は%d \n周の長さは%d\n", c
, d
); // printf("面積は%d \n周の長さは%d\n", a*b, 2*(a + b));
return 0;
}
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