#include iostream#include iomanipusing namespace std;int main(){double r;cinr;double v=4.0/3*3.14*r*r*r;coutfixedsetprecision(2)v;return 0;}
点我呐
#include iostream#include iomanip#include cmathusing namespace std;int main(){int a;cina;int g=a%10;int s=a%100/10;int b=a/100;coutgsb;return 0;}
点我呐
#include iostream#include iomanipusing namespace std;int main(){double h,r;cinhr;double v=3.1415926*r*r*h/1000;int b=20/v;if(20/v==b) coutb;else coutb+1;return 0;}
点我呐
#include iostream#include iomanip#include cmathusing namespace std;int main(){double xa,xb,ya,yb;cinxayaxbyb;double zjb1=xa-xb;double zjb2=ya-yb;double ab=sqrt(zjb1*zjb1+zjb2*zjb2);coutfixedsetprecision(3)ab;return 0;}
点我呐
#include iostream#include iomanip#include cmathusing namespace std;int main(){double x1,x2,x3,y1,y2,y3;cinx1y1x2y2x3y3;double a=sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));double b=sqrt((x1-x3)*(x1-x3)+(y1-y3)*(y1-y3));double c=sqrt((x3-x2)*(x3-x
点我呐
#include iostream#include iomanip#include cmathusing namespace std;int main(){int a1,a2,n;cina1a2n;int b=a2-a1;couta1+(n-1)*b;return 0;}
点我呐
#include iostream#include iomanipusing namespace std;int main(){long long a,b;cinab;couta*b;return 0;}
点我呐
#include iostream#include iomanip#include cmathusing namespace std;int main(){int n;cinn;int a=pow(2,n);couta;return 0;}
点我呐
#include iostream#include iomanipusing namespace std;int main(){int n,x,y;cinnxy;int t=y/x;if(y%x!=0) t++;if(tn) cout0;else coutn-t;return 0;}
点我呐
#include iostream#include iomanipusing namespace std;int main(){int a,b,c,d,e;cinabcde;int num=a/3;a=num;b+=num,e+=num;num=b/3;b=num;c+=num,a+=num;num=c/3;c=num;d+=num,b+=num;num=d/3;d=num;e+=num,c+=num;num=e/3;e=num;a+=num,d+=num;coutsetw(
点我呐
#include iostream#include queueusing namespace std;struct node{char c;node *left,...
#include iostreamusing namespace std;int n,m;long long a[100050];long long l=0,r=...