#include<stdio.h> int main() { int number, sum, Min=-1, count = 0,i; scanf("%d", &number); for (i = 1; i <= number; i++) { sum = i / 2 + i / 3 + i / 5; if (sum > Min) count++; Min = sum; } printf("%d", count); //system("pause"); return 0; } 转载:https://www.jianshu.com/p/78d3a6578f99