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  1. #include <stdio.h>
  2.  
  3. #define MAX_DATA 100 
  4.  
  5. int main(void) {
  6.     double time[MAX_DATA];
  7.     double voltage[MAX_DATA];
  8.     int n = 0; // 読み込んだデータ数
  9.  
  10.     // 1. データの読み込み
  11.     while (n < MAX_DATA && scanf("%lf,%lf", &time[n], &voltage[n]) == 2) {
  12.         n++;
  13.     }
  14.     printf("No.\t時間[s]\t電位[v]\n");
  15.  
  16.     // 3. 極大値を探して表示
  17.     int peak_id = 1;
  18.     for (int i = 1; i < n - 1; i++) {
  19.         // 山の頂上をだす
  20.         if (voltage[i] > voltage[i - 1] && voltage[i] > voltage[i + 1]) {
  21.             printf("%d\t%.6f\t%.6f\n", peak_id, time[i], voltage[i]);
  22.             peak_id++;
  23.         }
  24.     }
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 5316KB
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No.	時間[s]	電位[v]
https://ideone.com/mMxgaC
language:
C (gcc 8.3)
created:
18 hours ago
visibility:
public

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