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2013-12-09 09:38 Summer.xia 阅读(105) 评论(0) 编辑 收藏 举报#include<stdio.h> #include<math.h> int main(void) { double x1,x2,y1,y2,a,b,c,d; while(scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2)!=EOF){ a=(x1-x2)*(x1-x2); b=(y1-y2)*(y1-y2); c=a+b; d=sqrt(c); printf("%.2f\n",d); } return 0; }
#include<stdio.h> int main(void) { int r,x,y,z,count=0; scanf("%d",&r); for(z=r;z!=x,z!=y,z>=5;z--){ for(y=1;y<=r;y++){ for(x=y+1;x<=r;x++){ if((x*x+y*y==z*z)&&(x+y>z)) count++; } } } printf("%d\n",count); return 0; }
#include<stdio.h> int main(void) { int a,b,c,d; scanf("%d %d %d %d",&a,&b,&c,&d); printf("%d %d %d\n",a,b,c); printf("%d %d %d\n",a,c,b); printf("%d %d %d\n",b,a,c); printf("%d %d %d\n",b,c,a); printf("%d %d %d\n",c,a,b); printf("%d %d %d\n",c,b,a); printf("%d %d %d\n",a,b,d); printf("%d %d %d\n",a,d,b); printf("%d %d %d\n",b,a,d); printf("%d %d %d\n",b,d,a); printf("%d %d %d\n",d,a,b); printf("%d %d %d\n",d,b,a); printf("%d %d %d\n",a,c,d); printf("%d %d %d\n",a,d,c); printf("%d %d %d\n",c,a,d); printf("%d %d %d\n",c,d,a); printf("%d %d %d\n",d,a,c); printf("%d %d %d\n",d,c,a); printf("%d %d %d\n",b,c,d); printf("%d %d %d\n",b,d,c); printf("%d %d %d\n",c,b,d); printf("%d %d %d\n",c,d,b); printf("%d %d %d\n",d,b,c); printf("%d %d %d\n",d,c,b); return 0; }
#include <stdio.h> #include<string.h> int main(void) { char stext[300],*p=stext; gets(stext); int len=strlen(stext); char lastChar=stext[len-1]; stext[len-1]='\0'; while(*p) p++; for(p--;p>stext;p--){ if(*p==' '){ printf("%s ",p+1); *p='\0'; } } printf("%s",stext); printf("%c\n",lastChar); return 0; }
#include<stdio.h> #include<math.h> int main(void) { double money,year,rate,sum; scanf("%lf %lf %lf",&money,&year,&rate); sum=money*pow(1+rate,year); printf("%.1f\n",sum); return 0; }
#include<stdio.h> int main(void) { double x,y,z,s; scanf("%lf %lf",&x,&y); z=x*x+y*y; s=4.5*4.5; if(z<s) printf("in"); else if(z>s) printf("out"); else printf("on"); return 0; }
#include<stdio.h> int main(void) { int n,y; scanf("%d",&n); if(n<=160){ y=n*10; } else{ y=1600+(n-160)*30; } printf("%d\n",y); return 0; }
#include <stdio.h> int main(void) { int i; float M=0,N=0,sum=0; scanf("%f %f",&M,&N); sum=M; if(N==1){ M=M/2; } else{ for(i=2;i<=N;i++){ sum+=M; M=M/2; } } M=M/2; printf("%.2f %.2f",M,sum); return 0; }