537 - Artificial Intelligence?
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#include<stdio.h>
#include<string.h>
#include<ctype.h>
#define MAXN100+10
chars[MAXN];
voiddecode_prefix(char s[],double *d)
{
inti=0;
while(isdigit(s[i]) || s[i]=='.') i++;
switch(s[i])
{
case 'm':*d/=1000; break;
case 'k':*d*=1000; break;
case 'M':*d*=1000000; break;
default:break;
}
}
intmain()
{
doubleP,I,U;
scanf("%d",&n);
getchar();
for(i=0;i<n;i++)
{
is_P=is_I=is_U=0;
fgets(s,MAXN,stdin);
for(j=0;j<(int)strlen(s);j++)
{
if(s[j]=='P'&& s[j+1]=='=')
{
is_P=1;
sscanf(&s[j+2],"%lf",&P);
decode_prefix(&s[j+2],&P);
}
if(s[j]=='I'&& s[j+1]=='=')
{
is_I=1;
sscanf(&s[j+2],"%lf",&I);
decode_prefix(&s[j+2],&I);
}
if(s[j]=='U'&& s[j+1]=='=')
{
is_U=1;
sscanf(&s[j+2],"%lf",&U);
decode_prefix(&s[j+2],&U);
}
}
printf("Problem#%d\n",i+1);
if(is_P!=1)printf("P=%.2lfW\n",U*I);
if(is_I!=1)printf("I=%.2lfA\n",P/U);
if(is_U!=1)printf("U=%.2lfV\n",P/I);
printf("\n");
}
return0;
}
uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=96&page=show_problem&problem=478
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