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| 1 | +class Solution { |
| 2 | +public: |
| 3 | + string originalDigits(string s) { |
| 4 | + vector<int> chs(26, 0) ; |
| 5 | + vector<int> nums(10, 0) ; |
| 6 | + for (char ch: s) |
| 7 | + ++chs[ch-'a'] ; |
| 8 | + |
| 9 | + if (chs['z' - 'a'] != 0) |
| 10 | + { |
| 11 | + const int cnt = chs['z' - 'a'] ; |
| 12 | + chs['e' - 'a'] -= cnt ; |
| 13 | + chs['r' - 'a'] -= cnt ; |
| 14 | + chs['o' - 'a'] -= cnt ; |
| 15 | + nums[0] = cnt ; |
| 16 | + } |
| 17 | + |
| 18 | + if (chs['w' - 'a'] != 0) |
| 19 | + { |
| 20 | + const int cnt = chs['w' - 'a'] ; |
| 21 | + chs['t' - 'a'] -= cnt ; |
| 22 | + chs['o' - 'a'] -= cnt ; |
| 23 | + nums[2] = cnt ; |
| 24 | + } |
| 25 | + |
| 26 | + if (chs['u' - 'a'] != 0) |
| 27 | + { |
| 28 | + const int cnt = chs['u' - 'a'] ; |
| 29 | + chs['f' - 'a'] -= cnt ; |
| 30 | + chs['o' - 'a'] -= cnt ; |
| 31 | + chs['r' - 'a'] -= cnt ; |
| 32 | + nums[4] = cnt ; |
| 33 | + } |
| 34 | + |
| 35 | + if (chs['x' - 'a'] != 0) |
| 36 | + { |
| 37 | + const int cnt = chs['x' - 'a'] ; |
| 38 | + chs['s' - 'a'] -= cnt ; |
| 39 | + chs['i' - 'a'] -= cnt ; |
| 40 | + nums[6] = cnt ; |
| 41 | + } |
| 42 | + |
| 43 | + if (chs['g' - 'a'] != 0) |
| 44 | + { |
| 45 | + const int cnt = chs['g' - 'a'] ; |
| 46 | + chs['e' - 'a'] -= cnt ; |
| 47 | + chs['i' - 'a'] -= cnt ; |
| 48 | + chs['h' - 'a'] -= cnt ; |
| 49 | + chs['t' - 'a'] -= cnt ; |
| 50 | + nums[8] = cnt ; |
| 51 | + } |
| 52 | + |
| 53 | + if (chs['o' - 'a'] != 0) |
| 54 | + { |
| 55 | + const int cnt = chs['o' - 'a'] ; |
| 56 | + chs['n' - 'a'] -= cnt ; |
| 57 | + chs['e' - 'a'] -= cnt ; |
| 58 | + nums[1] = cnt ; |
| 59 | + } |
| 60 | + |
| 61 | + if (chs['t' - 'a'] != 0) |
| 62 | + { |
| 63 | + const int cnt = chs['t' - 'a'] ; |
| 64 | + chs['h' - 'a'] -= cnt ; |
| 65 | + chs['r' - 'a'] -= cnt ; |
| 66 | + chs['e' - 'a'] -= cnt*2 ; |
| 67 | + nums[3] = cnt ; |
| 68 | + } |
| 69 | + |
| 70 | + if (chs['f' - 'a'] != 0) |
| 71 | + { |
| 72 | + const int cnt = chs['f' - 'a'] ; |
| 73 | + chs['i' - 'a'] -= cnt ; |
| 74 | + chs['v' - 'a'] -= cnt ; |
| 75 | + chs['e' - 'a'] -= cnt ; |
| 76 | + nums[5] = cnt ; |
| 77 | + } |
| 78 | + |
| 79 | + if (chs['s' - 'a'] != 0) |
| 80 | + { |
| 81 | + const int cnt = chs['s' - 'a'] ; |
| 82 | + chs['v' - 'a'] -= cnt ; |
| 83 | + chs['n' - 'a'] -= cnt ; |
| 84 | + chs['e' - 'a'] -= cnt*2 ; |
| 85 | + nums[7] = cnt ; |
| 86 | + } |
| 87 | + |
| 88 | + nums[9] = chs['i' - 'a'] ; |
| 89 | + |
| 90 | + stringstream ss ; |
| 91 | + for (int i = 0; i < 10; ++i) |
| 92 | + while (nums[i]--) |
| 93 | + ss << char('0' + i) ; |
| 94 | + |
| 95 | + string res ; |
| 96 | + ss >> res ; |
| 97 | + return res ; |
| 98 | + } |
| 99 | +}; |
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