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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     double time, voltage;
  5.     double max_voltage = -1.0; 
  6.     double peak_time = 0.0;    
  7.     int count = 0;             
  8.  
  9.     /* * scanfを使用して標準入力から「時間,電圧」を読み込みます。
  10.      * 読み込みに成功する間、ループを継続します。
  11.      */
  12.     while (scanf("%lf,%lf", &time, &voltage) != EOF) {
  13.         if (voltage > max_voltage) {
  14.             max_voltage = voltage;
  15.             peak_time = time;
  16.         }
  17.         count++;
  18.     }
  19.  
  20.     if (count > 0) {
  21.         printf("分析対象: 10Hz.txt データ\n");
  22.         printf("総データ数: %d 行\n", count);
  23.         printf("----------------------------------\n");
  24.         printf("ピーク電位: %.6f [V]\n", max_voltage);
  25.         printf("発生時間  : %.6f [s]\n", peak_time);
  26.         printf("----------------------------------\n");
  27.     } else {
  28.         printf("データが読み込めませんでした。stdin欄を確認してください。\n");
  29.     }
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
copy 
0.000000,2.366514
0.100000,2.363967
0.200000,2.358875
0.300000,2.361421
0.400000,2.371606
0.500000,2.381790
0.600000,2.369060
0.700000,2.384337
0.800000,2.376698
0.900000,2.384337
1.000000,2.381790
1.100000,2.374152
1.200000,2.361421
1.300000,2.366514
1.400000,2.371606
1.500000,2.353783
1.600000,2.351237
1.700000,2.356329
1.800000,2.356329
1.900000,2.356329
2.000000,2.353783
2.100000,2.356329
2.200000,2.358875
2.300000,2.379244
2.400000,2.371606
2.500000,2.402159
2.600000,2.412344
2.700000,2.394521
2.800000,2.386883
2.900000,2.389429
3.000000,2.386883
3.100000,2.386883
3.200000,2.384337
3.300000,2.389429
3.400000,2.381790
3.500000,2.374152
3.600000,2.389429
3.700000,2.386883
3.800000,2.379244
3.900000,2.381790
4.000000,2.386883
4.100000,2.391975
4.200000,2.389429
4.300000,2.498913
4.400000,2.707696
4.500000,2.916479
4.600000,2.804449
4.700000,2.982678
4.800000,2.952124
4.900000,3.094708
5.000000,3.486813
5.100000,3.764341
5.200000,3.940025
5.300000,4.118254
5.400000,4.212461
5.500000,4.029139
5.600000,3.754157
5.700000,3.334045
5.800000,2.941940
5.900000,2.766257
6.000000,3.234745
6.100000,3.850910
6.200000,4.136077
6.300000,4.235376
6.400000,4.265930
6.500000,4.260838
6.600000,4.133531
6.700000,3.927294
6.800000,3.693050
6.900000,3.423159
7.000000,3.303491
7.100000,3.553012
7.200000,3.922202
7.300000,4.123346
7.400000,4.181907
7.500000,4.130985
7.600000,4.080062
7.700000,3.891648
7.800000,3.695596
7.900000,3.491905
8.000000,3.359506
8.100000,3.367144
8.200000,3.652311
8.300000,3.899287
8.400000,4.041870
8.500000,4.113162
8.600000,4.161538
8.700000,4.187000
8.800000,4.197184
8.900000,4.181907
9.000000,4.153900
9.100000,4.095339
9.200000,3.965486
9.300000,3.777072
9.400000,3.517366
9.500000,3.234745
9.600000,3.066701
9.700000,2.776441
9.800000,2.957217
9.900000,3.415521
10.000000,3.764341
10.100000,3.937479
10.200000,4.034232
10.300000,4.082608
10.400000,4.146262
10.500000,4.156446
10.600000,4.151354
10.700000,4.148808
10.800000,4.044416
10.900000,3.934932
11.000000,3.751611
11.100000,3.474082
11.200000,3.272937
11.300000,3.214376
11.400000,3.339137
11.500000,3.532643
11.600000,3.830541
11.700000,3.922202
11.800000,3.965486
11.900000,3.993493
12.000000,3.978217
12.100000,3.881464
12.200000,3.715965
12.300000,3.474082
12.400000,3.260207
12.500000,3.115077
12.600000,2.911386
12.700000,2.743341
12.800000,2.493820
12.900000,2.481090
13.000000,2.465813
13.100000,2.453082
13.200000,2.453082
13.300000,2.450536
13.400000,2.445444
13.500000,2.440351
13.600000,2.437805
13.700000,2.442898
13.800000,2.435259
13.900000,2.427621
14.000000,2.425075
14.100000,2.435259
14.200000,2.430167
14.300000,2.422529
14.400000,2.425075
14.500000,2.419982
14.600000,2.430167
14.700000,2.422529
14.800000,2.422529
14.900000,2.422529
15.000000,2.419982
15.100000,2.419982
15.200000,2.417436
15.300000,2.412344
15.400000,2.409798
15.500000,2.422529
15.600000,2.422529
15.700000,2.412344
15.800000,2.417436
15.900000,2.430167
16.000000,2.432713
16.100000,2.437805
16.200000,2.483636
16.300000,2.575297
16.400000,2.590573
16.500000,2.562566
16.600000,2.498913
16.700000,2.460721
16.800000,2.450536
16.900000,2.455628
17.000000,2.694965
17.100000,2.560020
17.200000,2.524374
17.300000,2.560020
17.400000,2.748434
17.500000,2.878287
17.600000,3.135446
17.700000,3.387513
17.800000,3.573381
17.900000,3.665042
18.000000,3.667588
18.100000,3.553012
18.200000,3.173638
18.300000,2.557474
18.400000,2.509097
18.500000,2.496366
18.600000,2.504005
18.700000,2.498913
18.800000,2.679688
18.900000,3.237292
19.000000,3.614119
19.100000,3.680319
19.200000,3.731242
19.300000,3.858548
19.400000,3.771980
19.500000,3.644673
19.600000,2.962309
19.700000,2.572750
19.800000,2.504005
19.900000,2.498913
20.000000,2.486182
20.100000,2.478543
20.200000,2.491274
20.300000,2.572750
20.400000,3.041239
20.500000,3.509728
20.600000,3.695596
20.700000,3.774526
20.800000,3.751611
20.900000,3.509728
21.000000,3.242384
21.100000,2.781533
21.200000,2.753526
21.300000,2.733157
21.400000,2.733157
21.500000,2.773895
21.600000,2.911386
21.700000,2.623673
21.800000,2.537105
21.900000,2.516735
22.000000,2.493820
22.100000,2.488728
22.200000,2.488728
22.300000,2.524374
22.400000,3.122716
22.500000,3.675227
22.600000,3.662496
22.700000,3.708326
22.800000,3.491905
22.900000,2.837548
23.000000,2.557474
23.100000,2.516735
23.200000,2.511643
23.300000,2.498913
23.400000,2.493820
23.500000,2.504005
23.600000,2.526920
23.700000,2.753526
23.800000,3.336591
23.900000,3.430798
24.000000,3.535189
24.100000,3.545374
24.200000,3.280576
24.300000,2.796810
24.400000,2.572750
24.500000,2.516735
24.600000,2.498913
24.700000,2.491274
24.800000,2.486182
24.900000,2.493820
25.000000,2.514189
25.100000,2.572750
25.200000,3.102346
25.300000,3.433344
25.400000,3.458805
25.500000,3.369691
25.600000,3.031055
25.700000,2.722972
25.800000,2.570204
25.900000,2.524374
26.000000,2.519282
26.100000,2.504005
26.200000,2.498913
26.300000,2.537105
26.400000,2.679688
26.500000,2.990317
26.600000,3.143085
26.700000,3.112531
26.800000,3.323860
26.900000,3.423159
27.000000,2.926663
27.100000,2.636404
27.200000,2.577843
27.300000,2.521828
27.400000,2.521828
27.500000,2.524374
27.600000,3.158361
27.700000,3.476628
27.800000,3.642127
27.900000,3.616666
28.000000,3.514820
28.100000,3.642127
28.200000,3.298399
28.300000,2.756072
28.400000,2.702603
28.500000,2.689873
28.600000,2.684780
28.700000,2.684780
28.800000,2.669504
28.900000,2.664411
29.000000,2.672050
29.100000,2.677142
29.200000,2.661865
29.300000,2.659319
29.400000,2.664411
29.500000,2.656773
29.600000,2.669504
29.700000,2.661865
29.800000,2.656773
29.900000,2.656773
30.000000,2.651681
30.100000,2.654227
30.200000,2.649134
30.300000,2.659319
30.400000,2.659319
30.500000,2.654227
30.600000,2.646588
30.700000,2.656773
30.800000,2.656773
30.900000,2.980132
stdout
copy 
分析対象: 10Hz.txt データ
総データ数: 310 行
----------------------------------
ピーク電位: 4.265930 [V]
発生時間  : 6.400000 [s]
----------------------------------
https://ideone.com/dsdHi1
language:
C (gcc 8.3)
created:
21 hours ago
visibility:
public

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