537 – Artificial Intelligence? | 高性能架构探索

C++语言: Codee#25706001/

002+++++++++++++++++++++++++++++++++++++++

003author: chm

004+++++++++++++++++++++++++++++++++++++++

005/

006

007

008#include

009#include

010#include

011#include

012#include

013#include

014#include

015#include

016#include

017#include

018#include

019#include

020#include

021#include

022#include

023#include

024#include

025

026usingnamespacestd;

027

028FILEfin=stdin;

029FILEfout=stdout;

030constintmax_size=10086;

031

032doublerun(charstr,double&prefix)

033{

034charpend;

035doublep=strtod(str,&pend);

036

037if(pend=='m')

038prefix=0.001;

039elseif(pend=='M')

040prefix=1000000;

041elseif(pend=='k')

042prefix=1000;

043returnp;

044}

045

046intmain()

047{

048#ifndef ONLINE_JUDGE

049freopen("c:\in.txt","r",stdin);

050fout=fopen("c:\garage\out.txt","w");

051#endif

052

053/

054search P U I

055get prefix

056use formular

057/

058charstr[max_size];

059intn;

060charptrp;

061charptru;

062charptri;

063doubleprefixp;

064doubleprefixu;

065doubleprefixi;

066doublep,u,i;

067

068scanf("%d\n",&n);

069for(intj=1;j<=n;++j)

070{

071fgets(str,sizeof(str),stdin);

072ptrp=strstr(str,"P=");

073ptru=strstr(str,"U=");

074ptri=strstr(str,"I=");

075prefixp=prefixu=prefixi=1.0;

076fprintf(fout,"Problem #%d\n",j);

077if(ptrp)

078{

079p=run(ptrp+2,prefixp);

080if(ptru)// i = p / u

081{

082u=run(ptru+2,prefixu);

083fprintf(fout,"I=%.2lfA\n\n",(prefixp/prefixu)p/u);

084}

085else// u = p / i

086{

087i=run(ptri+2,prefixi);

088fprintf(fout,"U=%.2lfV\n\n",(prefixp/prefixi)p/i);

089}

090}

091else// p = u * i

092{

093u=run(ptru+2,prefixu);

094i=run(ptri+2,prefixi);

095fprintf(fout,"P=%.2lfW\n\n",iuprefixi*prefixu);

096}

097}

098

099#ifndef ONLINE_JUDGE

100fclose(fout);

101system("c:\garage\check.exe");

102#endif

103return0;

104}原文链接: https://www.cnblogs.com/invisible/archive/2012/03/01/2375076.html

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537 – Artificial Intelligence?

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