0658片山博文MZ ◆T6xkBnTXz7B0 (スフッ Sd33-WP5G)垢版2017/10/12(木) 15:10:29.76ID:loBt1/dEd >>657 #include <stdio.h> int main(void) { int i, n = 0; for (i = 1; i <= 10; ++i) n += i; printf("%d\n", n); return 0; }