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  1. #include <stdio.h>
  2.  
  3. #define THRESHOLD 2.5
  4.  
  5. int main() {
  6.     double t_prev, v_prev, t_curr, v_curr, t_next, v_next;
  7.     int peak_count = 0;
  8.  
  9.     if (scanf("%lf,%lf", &t_prev, &v_prev) == EOF) return 0;
  10.     if (scanf("%lf,%lf", &t_curr, &v_curr) == EOF) return 0;
  11.  
  12.     printf("波形番号 | 時刻[秒] | 電位[V]\n");
  13.     printf("-------------------------------\n");
  14.  
  15.     while (scanf("%lf,%lf", &t_next, &v_next) != EOF) {
  16.         if (v_curr > v_prev && v_curr > v_next && v_curr > THRESHOLD) {
  17.             peak_count++;
  18.             printf("%8d | %8.2f | %8.2f\n", peak_count, t_curr, v_curr);
  19.         }
  20.         t_prev = t_curr;
  21.         v_prev = v_curr;
  22.         t_curr = t_next;
  23.         v_curr = v_next;
  24.     }
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
0.000000,2.401991
0.100000,2.412167
0.200000,2.399447
0.300000,2.407079
0.400000,2.401991
0.500000,2.409623
0.600000,2.407079
0.700000,2.399447
0.800000,2.409623
0.900000,2.399447
1.000000,2.409623
1.100000,2.401991
1.200000,2.404535
1.300000,2.407079
1.400000,2.409623
1.500000,2.419800
1.600000,2.457962
1.700000,2.511388
1.800000,2.613154
1.900000,2.732728
2.000000,2.826861
2.100000,2.938802
2.200000,3.015126
2.300000,3.139789
2.400000,3.246642
2.500000,3.325510
2.600000,3.371305
2.700000,3.452717
2.800000,3.460349
2.900000,3.325510
3.000000,3.134700
3.100000,2.956611
3.200000,2.819228
3.300000,2.714919
3.400000,2.653860
3.500000,2.630962
3.600000,2.638595
3.700000,2.684389
3.800000,2.773434
3.900000,2.938802
4.000000,3.127068
4.100000,3.284804
4.200000,3.340775
4.300000,3.386569
4.400000,3.439996
4.500000,3.508688
4.600000,3.610453
4.700000,3.696953
4.800000,3.768189
4.900000,3.811439
5.000000,3.719851
5.100000,3.447629
5.200000,3.231377
5.300000,3.040568
5.400000,2.969332
5.500000,2.948979
5.600000,2.928626
5.700000,2.941346
5.800000,2.976964
5.900000,3.058377
6.000000,3.144877
6.100000,3.239010
6.200000,3.378937
6.300000,3.452717
6.400000,3.513776
6.500000,3.567203
6.600000,3.620630
6.700000,3.651159
6.800000,3.615541
6.900000,3.569747
7.000000,3.483246
7.100000,3.366216
7.200000,3.251731
7.300000,3.157598
7.400000,3.076185
7.500000,3.030391
7.600000,3.004950
7.700000,2.994773
7.800000,3.027847
7.900000,3.099083
8.000000,3.211024
8.100000,3.312790
8.200000,3.422187
8.300000,3.539217
8.400000,3.646071
8.500000,3.694409
8.600000,3.696953
8.700000,3.689321
8.800000,3.707130
8.900000,3.712218
9.000000,3.605365
9.100000,3.493423
9.200000,3.345863
9.300000,3.233922
9.400000,3.195760
9.500000,3.175407
9.600000,3.162686
9.700000,3.165230
9.800000,3.231377
9.900000,3.307701
10.000000,3.386569
10.100000,3.442540
10.200000,3.493423
10.300000,3.506144
10.400000,3.498511
10.500000,3.478158
10.600000,3.490879
10.700000,3.501055
10.800000,3.480702
10.900000,3.450173
11.000000,3.391658
11.100000,3.305157
11.200000,3.177951
11.300000,3.040568
11.400000,2.987141
11.500000,2.964244
11.600000,2.994773
11.700000,3.083818
11.800000,3.231377
11.900000,3.412011
12.000000,3.559570
12.100000,3.648615
12.200000,3.732571
12.300000,3.824160
12.400000,3.892852
12.500000,3.933558
12.600000,3.981896
12.700000,4.004793
12.800000,4.017514
12.900000,4.017514
13.000000,3.994617
13.100000,3.895396
13.200000,3.676600
13.300000,3.498511
13.400000,3.373849
13.500000,3.320422
13.600000,3.322966
13.700000,3.366216
13.800000,3.490879
13.900000,3.577379
14.000000,3.653703
14.100000,3.712218
14.200000,3.747836
14.300000,3.785998
14.400000,3.816528
14.500000,3.869954
14.600000,3.908116
14.700000,3.910661
14.800000,3.847057
14.900000,3.719851
15.000000,3.628262
15.100000,3.541761
15.200000,3.457805
15.300000,3.343319
15.400000,3.246642
15.500000,3.139789
15.600000,3.043112
15.700000,2.961700
15.800000,2.938802
15.900000,2.941346
16.000000,2.908273
16.100000,2.870111
16.200000,2.839581
16.300000,2.806508
16.400000,2.745448
16.500000,2.712375
16.600000,2.735272
16.700000,2.837037
16.800000,2.989685
16.900000,3.147421
17.000000,3.307701
17.100000,3.424731
17.200000,3.516320
17.300000,3.600276
17.400000,3.719851
17.500000,3.770733
17.600000,3.793630
17.700000,3.763101
17.800000,3.671512
17.900000,3.529041
18.000000,3.335687
18.100000,3.152509
18.200000,2.956611
18.300000,2.648771
18.400000,2.460506
18.500000,2.457962
18.600000,2.460506
18.700000,2.450329
18.800000,2.450329
18.900000,2.445241
stdout
copy 
波形番号 | 時刻[秒] | 電位[V]
-------------------------------
       1 |     2.80 |     3.46
       2 |     4.90 |     3.81
       3 |     6.70 |     3.65
       4 |     8.60 |     3.70
       5 |     8.90 |     3.71
       6 |    10.30 |     3.51
       7 |    10.70 |     3.50
       8 |    14.70 |     3.91
       9 |    15.90 |     2.94
      10 |    17.60 |     3.79
https://ideone.com/kD1ZPA
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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