一本通1011-1030代码

1011：甲流疫情死亡率

#include <iostream> #include<cstdio> using namespace std; int main() { int a,b; cin>>a>>b; double c; c=100.0*b/a; printf("%.3lf",c); cout<<"%"; return 0; }

1012 计算多项式的值

#include <iostream> #include<cstdio> using namespace std; int main() { double x,a,b,c,d; double ans,g1,g2,g3; cin>>x>>a>>b>>c>>d; g1=a*x*x*x; g2=b*x*x; g3=c*x; ans=g1+g2+g3+d; printf("%.7lf",ans); return 0; }

1013 温度表达转化

#include <iostream> #include<cstdio> using namespace std; int main() { double C,F; cin>>F; C=1.00000*5*(F-32)/9; printf("%.5lf",C); return 0; }

1014 与圆相关的计算

#include <iostream> #include<cstdio> using namespace std; int main() { double r,R,C,S; cin>>r; R=1.0000*r*2; C=2*3.14159*r; S=3.14159*r*r; printf("%.4lf %.4lf %.4lf",R,C,S); return 0; }

1015 计算并联电阻的阻值

#include <iostream> #include<cstdio> using namespace std; int main() { double r1,r2,R; cin>>r1>>r2; R=1/(1/r1+1/r2); printf("%.2lf",R); return 0; }

1016 整型数据类型存储空间大小

#include <iostream> #include<cstdio> using namespace std; int main() { int a,x,y; short b; x=sizeof(a); y=sizeof(b); cout<<x<<" "<<y; }

1017 浮点型数据类型存储空间大小

#include <iostream> #include<cstdio> using namespace std; int main() { int x,y; float a; double b; x=sizeof(a); y=sizeof(b); cout<<x<<" "<<y; }

1018 其他数据类型存储空间大小

#include <iostream> #include<cstdio> using namespace std; int main() { int x,y; bool a; char b; x=sizeof(a); y=sizeof(b); cout<<x<<" "<<y; }

1019 浮点数向零舍入

#include <iostream> #include<cstdio> using namespace std; int main() { int x; float a; cin>>a; x=(int)a; cout<<x; }

1020 打印ASCII码

#include <iostream> #include<cstdio> using namespace std; int main() { char x; cin>>x; printf("%d",x); }

1021 打印字符

#include <iostream> #include<cstdio> using namespace std; int main() { int a; cin>>a; string s; s+=a; cout<<s; }

1022 整型与布尔型的转换

#include <iostream> #include<cstdio> using namespace std; int main() { int a; cin>>a; bool b; int c; b=a; c=b; cout<<c; }

1023 Hello,World!的大小

#include <iostream> #include<cstdio> using namespace std; int main() { cout<<sizeof("Hello, World!")<<endl; return 0; }

1024 保留3位小数的浮点数

#include <iostream> #include<cstdio> using namespace std; int main() { float a; scanf("%f",&a); printf("%0.3f",a); }

1025 保留12位小数的浮点数

#include <iostream> #include<cstdio> using namespace std; int main() { double a; scanf("%lf",&a); printf("%0.12lf",a); }

1026 空格分隔输出

#include <iostream> #include<cstdio> using namespace std; int main() { char a; int b; float c; double d; cin>>a>>b>>c>>d; cout<<a<<" "<<b<<" "; printf("%.6f %.6lf",c,d); }

1027 输出浮点数

#include <iostream> #include<cstdio> using namespace std; int main() { double x; cin>>x; printf("%lf\n",x); printf("%.5lf\n",x); printf("%e\n",x); printf("%g\n",x); }

1028 字符菱形

#include <iostream> #include<cstdio> using namespace std; int main() { char x; cin>>x; cout<<" "<<" "<<x<<" "<<" "<<endl; cout<<" "<<x<<x<<x<<" "<<endl; cout<<x<<x<<x<<x<<x<<endl; cout<<" "<<x<<x<<x<<" "<<endl; cout<<" "<<" "<<x<<" "<<" "<<endl; }

1029 计算浮点数相除的余

#include <iostream> #include<cstdio> using namespace std; int main() { double a,b,r; cin>>a>>b; int k; k=a/b; r=a-b*k; printf("%g",r); return 0; }

1030 计算球的体积

#include <iostream> #include<cstdio> using namespace std; int main() { double a; cin>>a; printf("%.2lf",1.00*4/3*3.14*a*a*a); return 0; }

END