#include<cstdio> using namespace std; int main() { printf("%d",1); printf("%o",8); printf("%x",17);
printf("%u",12); printf("%c",49); printf("%s","labll"); printf("%f",0.14); printf
("%e",0.1); printf("%d",21473648); return 0; }#include<cstdio> #include<cmath> using
namespace std; int main() { double x1,y1,x2,y2,q; scanf("%lf %lf %lf
%lf",&x1,&y1,&x2,&y2); q=sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)); printf("%.3f\n",q);
return 0; } #include<iostream> #include<ctime> #include<cstdio> #include<windows.h>
using namespace std; const int num=10000000; int main() { freopen("data.in","r",stdin);
int i,n,start,end; start=cloak(); for(i=0;i<num-2;i++) cin>>n; end=clock();
cout<<double(end-start)/CLOCK_PER_SEC<<endl; Sleep(5000); system("pause"); return 0; }
#include<ctime> #include<cstdio> #include<stdlib.h> #include<cstdlib> using namespace
std; const int num=10000000; int main() { freopen("data.in","r",stdin); int
i,n,start,end; start=clock(); for(i=0;i<num;i++) scanf("%d",&n); end=clock(); printf
("%f\n",(double)(end-start)); //system("pause"); //Sleep(5000); return 0; }