qq_44458489的博客

01:分段函数#include <iostream>#include <iomanip>using namespace std;int main(){ float x, y; cin >> x; if (x >= 0 && x < 5) y = -x + 2.5; else if (x >= 5 && x < 10) y = 2 - 1.5 * (x - 3) * (x - 3); el

001:输出第二个整数#include <cstdio>#include <iostream>using namespace std;int main(){ int a, b, c; scanf("%d %d %d", &a, &b, &c); printf("%d", b); return 0;}002:字符菱形#include <iostream>using namespace std;int main(){