UVa 537 - Artificial Intelligence

Contents

  1. 1. Problem
  2. 2. Solution
  3. 3. Code

Problem

中文網址

Solution

讀到 'P', 'U' , 'I' 後,可以用 scanf 來完成數字讀取比較方便。

Code

UVa 537
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
#include<cstdio>

inline void countUnit(double& n, char unit)
{
if (unit == 'm')
n *= 0.001;
else if (unit == 'k')
n *= 1000;
else if (unit == 'M')
n *= 1000000;
}
int main()
{
int n;
scanf("%d\r", &n);
for (int Case = 1; Case <= n; Case++)
{
double P = -1, U = -1, I = -1;
char c;
while ((c = getchar()) != '\n')
{
char unit;
if (c == 'P')
{
if ((c = getchar()) == '=')
{
scanf("%lf%c", &P, &unit);
countUnit(P, unit);
}
}
else if (c == 'U')
{
if ((c = getchar()) == '=')
{
scanf("%lf%c", &U, &unit);
countUnit(U, unit);
}
}
else if (c == 'I')
{
if ((c = getchar()) == '=')
{
scanf("%lf%c", &I, &unit);
countUnit(I, unit);
}
}
}

printf("Problem #%d\n", Case);
if (U != -1 && I != -1)
printf("P=%.02lfW\n\n", U*I);
else if (P != -1 && I != -1)
printf("U=%.02lfV\n\n", P / I);
else if (U != -1 && P != -1)
printf("I=%.02lfA\n\n", P / U);
}

return 0;
}