16.
17.
#include
#include
int main()
{
double er=1.0;
char a[55];
gets(a);
int i,count = 0;
for(i=0;i
if(a[i]=='2')//使用字符'2'，因为是字符数组
count++;
}
int u = strlen(a);
if(a[0]=='-')
{
u = u-1;
er = er*1.5;
}
if(a[u]%2==0)
er = er*2.0;
er = 100*er*count/u;
printf("%.2lf%n",er);
return 0;
}
19.
#include
int main()
{
int Amax = 0, Bmax = 0;
scanf("%d %d", &Amax, &Bmax);
int n = 0;
scanf("%d", &n);
int i = 0,jhua=0,jhan=0,yhua=0,yhan=0,jh=0,yh=0;
for (i = 0;i < n;i++)
{
scanf("%d %d %d %d", &jhan, &jhua, &yhan, &yhua);
if (jhua == jhan + yhan&&yhua!=jhan+yhan)
{
jh++;
}
else if (yhua == jhan + yhan&&jhua!=jhan+yhan)
{
yh++;
}
if (jh == Amax+1 || yh == Bmax+1)
break;
}
if (jh == Amax + 1)
{
printf("An");
printf("%d", yh);
}
else if (yh == Bmax + 1)
{
printf("Bn");
printf("%d", jh);
}
return 0;
}
20.
#include "stdio.h"
int main()
{
int a[100000],bian;
int n,m;
int i,j,k;
scanf("%d",&n);
for(i=0;i<100000;i++)
a[i]=-1;
for(i=0;i
scanf("%d",&m);
for(j=0;j
scanf("%d",&bian);
if(m==1)
;
else
{
a[bian]=bian;}
}
}
scanf("%d",&m);
k=0;
for(i=0;i
scanf("%d",&bian);
if(a[bian]==-1)
{
if(!k)
{
a[bian]=bian;
printf("%05d",bian);
k++;
}
else
{
printf(" %05d",bian);
a[bian]=bian;
}
}
}
if(k==0)
printf("No one is handsome");
return 0;
}
21.
22.
#include
#include
using namespace std;
int main(){
int n;
scanf("%d", &n);
int count=0;
for(int i=0; i
scanf("%d", &k);
if(k%2) count++;
}
printf("%d %d", count, n-count);
return 0;
}
23.
#include
int main()
{
int z = 0, x = 0, c = 0, v = 0;
char a[10001] = { 0 };
gets(a);
for (int i = 0;i < strlen(a);i++)
{
if (a[i] == 'G' || a[i] == 'g')
z++;
else if (a[i] == 'P' || a[i] == 'p')
x++;
else if (a[i] == 'L' || a[i] == 'l')
c++;
else if (a[i] == 'T' || a[i] == 't')
v++;
}
do
{
if (z > 0)
printf("G");
z--;
if (x > 0)
printf("P");
x--;
if (c > 0)
printf("L");
c--;
if (v > 0)
printf("T");
v--;
} while (z>0||x>0||c>0||v>0);
return 0;
}
