537 - Artificial Intelligence?

来源：互联网发布：平面设计书籍知乎编辑：程序博客网时间：2024/04/26 17:49
#include <cstdio>#include <cstring>#include <ctype.h>int main(){    int n,i,j,flag,count;    double I,P,U;    char str[130];    char num[20];    i=1;    scanf("%d",&n);    getchar();    while(i<=n)    {        memset(str,0,sizeof(str));        I=P=U=count=flag=0;        fgets(str,100,stdin);        for(j=0; j<strlen(str); j++)        {            if(str[j]=='I'&&str[j+1]=='=')                flag=1;            else if(str[j]=='U'&&str[j+1]=='=')                flag=2;            else if(str[j]=='P'&&str[j+1]=='=')                flag=3;            if((str[j]<='9'&&str[j]>='0')||str[j]=='.')                num[count++]=str[j];            else            {                int y(0);                if(flag==1)                {                    for(int x=0; x<strlen(num); x++)                    {                        if(num[x]<='9'&&num[x]>='0')                            I=I*10+num[x]-'0';                        if(num[x]=='.')                            y=x;                    }                    if(y!=0)                    {                        y=strlen(num)-1-y;                        while(y--)                            I=I/10;                    }                }                if(flag==2)                {                    for(int x=0; x<strlen(num); x++)                    {                        if(num[x]<='9'&&num[x]>='0')                            U=U*10+num[x]-'0';                        if(num[x]=='.')                            y=x;                    }                    if(y!=0)                    {                        y=strlen(num)-1-y;                        while(y--)                            U=U/10;                    }                }                if(flag==3)                {                    for(int x=0; x<strlen(num); x++)                    {                        if(num[x]<='9'&&num[x]>='0')                            P=P*10+num[x]-'0';                        if(num[x]=='.')                            y=x;                    }                    if(y!=0)                    {                        y=strlen(num)-1-y;                        while(y--)                            P=P/10;                    }                }                if(str[j]=='m'&&(str[j-1]>='0'&&str[j-1]<='9'))                {                    if(flag==1)                    I=I/1000;                    else if(flag==3)                    P=P/1000;                    else if(flag==2)U=U/1000;                }                else if(str[j]=='k'&&(str[j-1]>='0'&&str[j-1]<='9'))                {                    if(flag==1)                    I=I*1000;                    else if(flag==3)                    P=P*1000;                    else if(flag==2)U=U*1000;                }                else if(str[j]=='M'&&(str[j-1]>='0'&&str[j-1]<='9'))                {                    if(flag==1)                    I=I*1000000;                    else if(flag==3)                    P=P*1000000;                    else if(flag==2)U=U*1000000;                }                memset(num,0,sizeof(num));                count=0;            }        }        printf("Problem #%d\n",i);        if(I==0)        printf("I=%.2lfA\n\n",P/U);        else if(P==0)        printf("P=%.2lfW\n\n",U*I);        else printf("U=%.2lfV\n\n",P/I);        i++;    }    return 0;}