25 条题解
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20 条题解 0 rc2025xiadishuo LV 1 发表您的题解 2
rc244yeboqian1 LV 6 @ 7 个月前 #include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; }
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rc244yeboqian1 LV 6 @ 2024-7-16 14:46:25
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; } -
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gy2025lizhuoyuan LV 3 @ 2025-2-22 11:54:15
#include<bits/stdc++.h> using namespace std; int main(){ double x,y; cin>>x; if(0<=x and x<5) y = -x+2.5; if(5<=x and x<10) y = 2-1.5*(x-3)*(x-3); if(10<=x and x<20) y = x/2-1.5; printf("%.3lf",y); return 0; }
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gy2025zhangguohao LV 3 @ 2025-2-22 11:26:38
#include<bits/stdc++.h> using namespace std; int main(){ double a; cin>>a; if(a<=150)printf("%.1lf",0.4463a); if(a<=400 and a>150)printf("%.1lf",0.4663(a-150)+0.4463150); if(a>400)printf("%.1lf",0.5663(a-400)+0.4463150+0.4663250); return 0; }
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gy2025zhangjingqi LV 4 @ 2025-2-22 11:18:08
千里之行，始于足下。 每人的必经之路。 前面语法基础打的越狠，后面算法越稳。 每道题必须通过，但不必急于一时，实在做不出来的题目可以先放放，老师一起给大家讲， 等明白后再提交。
不熟悉的题目必须二刷三刷。 求点赞，要被饿死了
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人家写题目上的东西你照抄下来有意义吗
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rc2025xiaozimu
LV 3
@ 2025-2-15 11:45:41
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x and x<5) y = -x+2.5; if(5<=x and x<10){ y = 2-1.5*(x-3)*(x-3); } if(10<=x and x<20)y = x/2-1.5; printf("%.3lf",y); return 0; }
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rc247zhoujunxi1 LV 3 @ 2024-7-16 13:48:59
#include <bits/stdc++.h> using namespace std;
int main(){ double x; cin>>x; double y; if(0<=x && x<5){ y=-x+2.5; }else if(5<=x && x<10){ y=2-1.5*(x-3)*(x-3); }else if(10<=x && x<20){ y=x/2-1.5; } cout<<fixed<<setprecision(3)<<y; return 0; }
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rc247liuyiheng1 LV 6 @ 2024-7-16 10:43:54
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; }
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rc244gengjinrui1 LV 6 @ 2024-7-16 10:41:24
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10){ y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20){ y=x/2-1.5; printf("%.3f",y); } return 0; }
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rc245hongshengxuan1
LV 6
@ 2024-3-24 10:18:43
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; } -
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rc244wangkeren1 LV 6 @ 2024-3-18 19:07:55
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; } -
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rc246zhaohanrui1 LV 7 @ 2024-3-17 9:50:26
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; } -
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ws247wangli1
LV 7
@ 2024-3-6 17:58:50
#include<bits/stc++.h> using namespace std; int moin(){ doble x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y){ } if(5<=x && x<10){ y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20){ y=x/2-1.5; printf("%.3f",y); } return O;
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ws247luoyushun1
@ 2024-3-6 17:59:25
👍 👍 👍
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rc246guoyiming1 LV 5 @ 2024-3-10 9:21:28
#include<bits/stdc++.h> using namespace std; int main() { double x,y; cin>>x; if(0<=x && x<5) { y=-x+2.5; printf("%.3f",y); } if(5<=x && x<10) { y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20) { y=x/2-1.5; printf("%.3f",y); } return 0; }
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2023chuziming1
LV 10
@ 2024-3-9 19:57:56
#include<bits/stdc++.h> using namespace std; int main(){ double x,y; cin>>x; if(0 <= x && x < 5){ y = -x+2.5; printf("%.3f",y); } if(5 <= x && x < 10){ y = 2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10 <= x && x < 20){ y = x/2-1.5; printf("%.3f",y); } return 0; }
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ws247dushengyifan1 LV 6 @ 2024-3-6 18:06:40
#include<bits/stc++.h> using namespace std; int moin(){ doble x,y; cin>>x; if(0<=x && x<5){ y=-x+2.5; printf("%.3f",y){ } if(5<=x && x<10){ y=2-1.5*(x-3)*(x-3); printf("%.3f",y); } if(10<=x && x<20){ y=x/2-1.5; printf("%.3f",y); } return O;
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#include <bits/stdc++.h> using namespace std; int main() { double 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); } else if(x>=10&&x<20) { y=x/2-1.5; } else {
} printf("%.3f",y); return 0; }
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rc245zhangjiayi1 LV 5 @ 2024-3-3 9:03:07
#include <bits/stdc++.h> using namespace std; int main() { double 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); } else if(x>=10&&x<20) { y=x/2-1.5; } else {
} printf("%.3f",y); return 0; }
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rc245zhangxiaoyu1 LV 8 @ 2024-3-2 17:34:57
#include <bits/stdc++.h> using namespace std; int main() { double 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); } else if(x>=10&&x<20) { y=x/2-1.5; } else {
} printf("%.3f",y); return 0; }
rc2025xiadishuo
LV 2
@ 2025-2-15 11:29:15
