摘要：
#include#include#include#include#define PI 3.1415926using namespace std;int main(){ int n,t; double x,y,k; scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%lf%lf",&x,&y); k=(PI*(x*x+y*y))/100.+0.499; printf("Property %d: This property will begin eroding in year 阅读全文
摘要：
#include#include#include#includeusing namespace std;int main(){ double n,sum,i; while(scanf("%lf",&n),n) { sum=0; for(i=2;;i++) { sum+=1./i; if(sum>=n) break; } printf("%.0lf card(s)\n",i-1); } return 0;}本题计算1/2+1/3+1... 阅读全文
摘要：
#includeint main(){ int n,a,b,i; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d%d",&a,&b); float m=a*b; printf("Scenario #%d:\n",i+1); if(a%2&&b%2) printf("%.2f\n",m+0.41); else printf("%.2f\n",m); printf("\n"); } retur 阅读全文