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gk1 (1).c
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#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<math.h>
#include<string.h>
int gcd(int m, int n)
{
if(n==0)
return m;
return gcd(n,m%n);
}
void main1()
{
int m,n;
scanf("%i%i",&m,&n);
int MAX=gcd(m,n);
printf("%i\n",MAX);
}
void main2()
{
int n;
scanf("%i",&n);
int tmp=n/n;
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
printf("+-----");
if(j==n-1)
printf("+");
}
printf("\n");
for(int z=0;z<n+1;z++)
{
if(z!=n)
printf("| %-2i",tmp++);
else
printf("| ");
}
printf("\n");
if(i==n-1)
for(int j=0;j<n;j++)
{
printf("+-----");
if(j==n-1)
printf("+");
}
}
}
double calu(double n,double a[])
{
double u=1/n;
double sum=0;
for(int i=0;i<n;i++)
{
sum+=a[i];
}
return (double)u*sum;
}
double calo(double n,double a[])
{
double sum=0;
double u= (1/n);
for(int i=0;i<n;i++)
{
sum+=(a[i]-calu(n,a))*(a[i]-calu(n,a));
}
return (double)sqrt(sum*u);
}
int main3()
{
double o;
double u;
int n;
scanf("%i",&n);
double a[n];
for(int i=0;i<n;i++)
scanf("%lf",&a[i]);
double m=calu(n,a);
printf("%lf",calo(n,a));
}
char s[100];
int cnt(char n,char s[])
{
int cnt1=0;
for(int i=0;i<strlen(s);i++)
{
if(s[i]==n)
++cnt1;
}
return cnt1;
}
int main4()
{
char s[100];
scanf("%s",s);
for(int i=0;i<strlen(s);i++)
{
if(i!=0)
{
int cnt2=0;
for(int j=0;j<i;j++)
{
if(s[j]==s[i])
++cnt2;
}
if(cnt2==0)
printf("%c : %i\n",s[i],cnt(s[i],s));
}
else
printf("%c : %i\n",s[i],cnt(s[i],s));
}
}
int main()
{
printf("1.Frequency\n");
printf("2.Fibonacci\n");
printf("3.Password\n");
printf("4.Date\n");
printf("Enter the option: \n");
int n;
scanf("%i",&n);
if(n==1)
main1();
if(n==2)
main2();
if(n==3)
main3();
if(n==4)
main4();
}