每天的桃子数为：a10 = 1, a9 = (1 + a10) ×2, a8 = (1 + a9) × 2, …递推公式：ai = (1 + ai+1) × 2，i = 9, 8, …, 1#include int main( ){ int s = 1, i; for (i = 9; i >= 1; -- i) s = (s + 1) * 2; printf("s=%d\n", s);}
