代码改变世界

随笔档案-2013年12月

1212

2013-12-12 09:17 by Summer.xia, 107 阅读, 收藏,
摘要： #includeint main(void){ int i,t,m,n,a,q,b,w,c,e,x; x=0; t=0; while(scanf("%d %d",&m,&n)!=EOF){ for(i=m-1;ie){ printf(" "); } } if(t==0) printf("no"); printf("\n"); } return 0;} 阅读全文

1209

2013-12-09 09:38 by Summer.xia, 114 阅读, 收藏,
摘要： #include#includeint 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;}#includeint main(void){ int r,x,y,z,count=0; ... 阅读全文

1205

2013-12-05 08:29 by Summer.xia, 117 阅读, 收藏,
摘要： #include int main(void) { int I,y; scanf("%d",&I); if(I100000&&I200000&&I400000&&I600000&&Ifloat fact(int k);int main(void){ int t,m,n; scanf("%d %d",&m,&n); t=(int)(fact(m)/(fact(n)*fact(m-n))); printf("%d",t); return 0;}floa 阅读全文

12021

2013-12-02 09:07 by Summer.xia, 148 阅读, 收藏,
摘要： #include int main(){double s;int z, n, i;scanf("%d", &z);while (z-- != 0){ scanf("%d", &n); s = 0; for (i=1; i<=n; i+=2){ s += 1.0/i; } for (i=2; i<=n; i+=2){ s -= 1.0/i; } printf("%.2lf\n", s);}return 0;} 阅读全文