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179 lines
2.1 KiB
C++
179 lines
2.1 KiB
C++
#include<iostream>
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#include<conio.h>
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#include<stdlib.h>
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using namespace std;
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void permute(int *a, int k, int size)
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{
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if (k == size)
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{
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for (int i = 0; i < size; i++)
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{
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cout << *(a + i);
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}
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cout << endl;
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}
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else
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{
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for (int i = k; i < size; i++)
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{
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int temp = a[k];
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a[k] = a[i];
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a[i] = temp;
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permute(a, k + 1, size);
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temp = a[k];
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a[k] = a[i];
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a[i] = temp;
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}
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}
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}
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int main(int argc, char **argv)
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{
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cout << "Enter the length of the password: ";
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int m;
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cin >> m;
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int a[m];
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for (int i = 0; i < m; i++)
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{
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/*generates random number between 1 and 10*/
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a[i] = rand() % 10;
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}
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for (int i = 0; i < m; i++)
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{
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cout << a[i] << ", ";
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}
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cout << "The Passwords are: ";
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permute(a, 0, m);
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}
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/*
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Enter the length of the password: 3
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1, 7, 4, The Passwords are: 174
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147
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714
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741
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471
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417
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Enter the length of the password: 5
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1, 7, 4, 0, 9, The Passwords are: 17409
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17490
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17049
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17094
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17904
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17940
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14709
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14790
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14079
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14097
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14907
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14970
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10479
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10497
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10749
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10794
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10974
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10947
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19407
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19470
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19047
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19074
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19704
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19740
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71409
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71490
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71049
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71094
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71904
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71940
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74109
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74190
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74019
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74091
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74901
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74910
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70419
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70491
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70149
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70194
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70914
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70941
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79401
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79410
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79041
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79014
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79104
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79140
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47109
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47190
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47019
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47091
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47901
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47910
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41709
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41790
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41079
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41097
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41907
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41970
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40179
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40197
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40719
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40791
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40971
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40917
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49107
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49170
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49017
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49071
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49701
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49710
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07419
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07491
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07149
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07194
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07914
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07941
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04719
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04791
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04179
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04197
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04917
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04971
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01479
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01497
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01749
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01794
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01974
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01947
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09417
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09471
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09147
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09174
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09714
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09741
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97401
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97410
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97041
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97014
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97104
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97140
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94701
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94710
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94071
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94017
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94107
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94170
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90471
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90417
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90741
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90714
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90174
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90147
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91407
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91470
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91047
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91074
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91704
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91740
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