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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int N, X, Y;
  5.     printf("請輸入 N、X、Y (0 < Y): ");
  6.     scanf("%d %d %d", &N, &X, &Y);
  7.  
  8.     int temperature = 20;  
  9.  
  10.     if (N % 2 == 1) {
  11.         for (int i = 0; i < N / 2; i++) {
  12.             temperature += X;
  13.             temperature -= Y;
  14.             if (temperature < 20) {
  15.                 temperature = 20;
  16.             }
  17.         }
  18.     } else {
  19.         temperature -= Y; // 偶数分钟先冷却一次
  20.         for (int i = 0; i < N / 2 - 1; i++) {
  21.             temperature += X;
  22.             temperature -= Y;
  23.             if (temperature < 20) {
  24.                 temperature = 20;
  25.             }
  26.         }
  27.     }
  28.  
  29.     printf("%d\n", temperature);
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0.01s 5380KB
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stdin
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4 20 3
stdout
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請輸入 N、X、Y (0 < Y): 34
https://ideone.com/oDNEUy
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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