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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.  double x, t, S, e; //ввод данных;
  8.  int k;
  9.  cout << "x and eps" << endl;
  10.  cin  >> x >> e;
  11.  t = 1;
  12.  S = t;
  13.  k = 1;
  14.  printf("%4c%10c%11c\n", 'k', 't', 'S');
  15.  printf("%4d%15e%15.8f\n", k - 1, t, S);
  16.  while (fabs(t) > e)
  17.  {t = pow(x + 1, 2) / k*t;
  18.  S = S + t;
  19.  printf("%4d%15e%15.8f\n", k, t, S);
  20.  k++;
  21.  }
  22.  printf("%2s%15.8f\n","s=", S);
  23.  system("pause");
  24.  return 0;
  25. }
Success #stdin #stdout #stderr 0s 16064KB
comments (?)
stdin
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x=10
s=6
stdout
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x and eps
   k         t          S
   0   1.000000e+00     1.00000000
   1   1.000000e+00     2.00000000
   2   5.000000e-01     2.50000000
   3   1.666667e-01     2.66666667
   4   4.166667e-02     2.70833333
   5   8.333333e-03     2.71666667
   6   1.388889e-03     2.71805556
   7   1.984127e-04     2.71825397
   8   2.480159e-05     2.71827877
   9   2.755732e-06     2.71828153
  10   2.755732e-07     2.71828180
  11   2.505211e-08     2.71828183
  12   2.087676e-09     2.71828183
  13   1.605904e-10     2.71828183
  14   1.147075e-11     2.71828183
  15   7.647164e-13     2.71828183
  16   4.779477e-14     2.71828183
  17   2.811457e-15     2.71828183
  18   1.561921e-16     2.71828183
  19   8.220635e-18     2.71828183
  20   4.110318e-19     2.71828183
  21   1.957294e-20     2.71828183
  22   8.896791e-22     2.71828183
  23   3.868170e-23     2.71828183
  24   1.611738e-24     2.71828183
  25   6.446950e-26     2.71828183
  26   2.479596e-27     2.71828183
  27   9.183690e-29     2.71828183
  28   3.279889e-30     2.71828183
  29   1.130996e-31     2.71828183
  30   3.769988e-33     2.71828183
  31   1.216125e-34     2.71828183
  32   3.800391e-36     2.71828183
  33   1.151634e-37     2.71828183
  34   3.387158e-39     2.71828183
  35   9.677593e-41     2.71828183
  36   2.688220e-42     2.71828183
  37   7.265460e-44     2.71828183
  38   1.911963e-45     2.71828183
  39   4.902470e-47     2.71828183
  40   1.225617e-48     2.71828183
  41   2.989311e-50     2.71828183
  42   7.117407e-52     2.71828183
  43   1.655211e-53     2.71828183
  44   3.761843e-55     2.71828183
  45   8.359651e-57     2.71828183
  46   1.817315e-58     2.71828183
  47   3.866629e-60     2.71828183
  48   8.055476e-62     2.71828183
  49   1.643975e-63     2.71828183
  50   3.287949e-65     2.71828183
  51   6.446960e-67     2.71828183
  52   1.239800e-68     2.71828183
  53   2.339245e-70     2.71828183
  54   4.331935e-72     2.71828183
  55   7.876246e-74     2.71828183
  56   1.406473e-75     2.71828183
  57   2.467496e-77     2.71828183
  58   4.254303e-79     2.71828183
  59   7.210683e-81     2.71828183
  60   1.201780e-82     2.71828183
  61   1.970132e-84     2.71828183
  62   3.177632e-86     2.71828183
  63   5.043861e-88     2.71828183
  64   7.881032e-90     2.71828183
  65   1.212466e-91     2.71828183
  66   1.837070e-93     2.71828183
  67   2.741896e-95     2.71828183
  68   4.032200e-97     2.71828183
  69   5.843769e-99     2.71828183
  70  8.348241e-101     2.71828183
  71  1.175809e-102     2.71828183
  72  1.633067e-104     2.71828183
  73  2.237079e-106     2.71828183
  74  3.023079e-108     2.71828183
  75  4.030772e-110     2.71828183
  76  5.303648e-112     2.71828183
  77  6.887854e-114     2.71828183
  78  8.830583e-116     2.71828183
  79  1.117795e-117     2.71828183
  80  1.397244e-119     2.71828183
  81  1.724993e-121     2.71828183
  82  2.103650e-123     2.71828183
  83  2.534518e-125     2.71828183
  84  3.017283e-127     2.71828183
  85  3.549745e-129     2.71828183
  86  4.127610e-131     2.71828183
  87  4.744379e-133     2.71828183
  88  5.391340e-135     2.71828183
  89  6.057685e-137     2.71828183
  90  6.730762e-139     2.71828183
  91  7.396441e-141     2.71828183
  92  8.039610e-143     2.71828183
  93  8.644742e-145     2.71828183
  94  9.196534e-147     2.71828183
  95  9.680562e-149     2.71828183
  96  1.008392e-150     2.71828183
  97  1.039579e-152     2.71828183
  98  1.060795e-154     2.71828183
  99  1.071510e-156     2.71828183
 100  1.071510e-158     2.71828183
 101  1.060901e-160     2.71828183
 102  1.040099e-162     2.71828183
 103  1.009805e-164     2.71828183
 104  9.709665e-167     2.71828183
 105  9.247300e-169     2.71828183
 106  8.723868e-171     2.71828183
 107  8.153147e-173     2.71828183
 108  7.549211e-175     2.71828183
 109  6.925881e-177     2.71828183
 110  6.296256e-179     2.71828183
 111  5.672302e-181     2.71828183
 112  5.064556e-183     2.71828183
 113  4.481908e-185     2.71828183
 114  3.931498e-187     2.71828183
 115  3.418694e-189     2.71828183
 116  2.947150e-191     2.71828183
 117  2.518932e-193     2.71828183
 118  2.134688e-195     2.71828183
 119  1.793855e-197     2.71828183
 120  1.494879e-199     2.71828183
 121  1.235438e-201     2.71828183
 122  1.012654e-203     2.71828183
 123  8.232957e-206     2.71828183
 124  6.639481e-208     2.71828183
 125  5.311585e-210     2.71828183
 126  4.215544e-212     2.71828183
 127  3.319326e-214     2.71828183
 128  2.593223e-216     2.71828183
 129  2.010251e-218     2.71828183
 130  1.546347e-220     2.71828183
 131  1.180417e-222     2.71828183
 132  8.942555e-225     2.71828183
 133  6.723726e-227     2.71828183
 134  5.017706e-229     2.71828183
 135  3.716819e-231     2.71828183
 136  2.732955e-233     2.71828183
 137  1.994858e-235     2.71828183
 138  1.445549e-237     2.71828183
 139  1.039963e-239     2.71828183
 140  7.428310e-242     2.71828183
 141  5.268305e-244     2.71828183
 142  3.710074e-246     2.71828183
 143  2.594457e-248     2.71828183
 144  1.801706e-250     2.71828183
 145  1.242556e-252     2.71828183
 146  8.510659e-255     2.71828183
 147  5.789564e-257     2.71828183
 148  3.911867e-259     2.71828183
 149  2.625414e-261     2.71828183
 150  1.750276e-263     2.71828183
 151  1.159123e-265     2.71828183
 152  7.625811e-268     2.71828183
 153  4.984190e-270     2.71828183
 154  3.236487e-272     2.71828183
 155  2.088056e-274     2.71828183
 156  1.338498e-276     2.71828183
 157  8.525463e-279     2.71828183
 158  5.395862e-281     2.71828183
 159  3.393624e-283     2.71828183
 160  2.121015e-285     2.71828183
 161  1.317401e-287     2.71828183
 162  8.132103e-290     2.71828183
 163  4.989020e-292     2.71828183
 164  3.042086e-294     2.71828183
 165  1.843688e-296     2.71828183
 166  1.110656e-298     2.71828183
 167  6.650632e-301     2.71828183
 168  3.958709e-303     2.71828183
 169  2.342432e-305     2.71828183
 170  1.377901e-307     2.71828183
 171  8.057900e-310     2.71828183
 172  4.684826e-312     2.71828183
s=     2.71828183
stderr
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sh: 1: pause: not found
https://ideone.com/Ht3pi5
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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