好多鱼

链接：

https://www.nowcoder.com/questionTerminal/e3dd485dd23a42899228305658457927

来源：牛客网

#include<iostream>#include<cmath>using namespace std;int main(){    int minSize, maxSize, n, fishsize, count = 0;    int size[1001] = { 0 };    cin >> minSize >> maxSize >> n;    for (int i = 1; i <= n; i++){        cin >> fishsize;        for (int j = 2 * fishsize; j <= maxSize && j <= 10 * fishsize; j++)            size[j] = 1;        for (int j = fishsize / 2; j >= minSize && j >= ceil(fishsize / 10.0); j--)            size[j] = 1;    }    for (int i = minSize; i <= maxSize; i++)        if (size[i] == 0)            count++;    cout << count;    return 0;}