69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#include <iostream>
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#include <cmath>
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#include <fstream>
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#include <vector>
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using namespace std;
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int main (void)
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{
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string rawInput;
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vector<short int> fishCount = {};
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vector<short int> nextFishCount;
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short int dayCount = 0;
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ifstream readFile ("data/input.txt", ios::in);
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//Read file into arrays
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while(getline(readFile, rawInput))
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{
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for(int i=0;i<rawInput.size();i++)
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{
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switch(rawInput[i])
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{
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case '1':
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fishCount.push_back(1);
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break;
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case '2':
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fishCount.push_back(2);
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break;
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case '3':
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fishCount.push_back(3);
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break;
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case '4':
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fishCount.push_back(4);
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break;
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case '5':
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fishCount.push_back(5);
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break;
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case '6':
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fishCount.push_back(6);
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break;
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case '7':
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fishCount.push_back(7);
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break;
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case '8':
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fishCount.push_back(8);
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break;
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default:
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continue;
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}
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}
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}
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nextFishCount = fishCount;
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for(dayCount;dayCount<256;dayCount++)
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{
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for(int i=0;i<fishCount.size();i++)
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{
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if(fishCount[i] == 0)
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{
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nextFishCount[i] = 6;
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nextFishCount.push_back(8);
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}
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else nextFishCount[i]--;
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}
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cout << "New Day! Processing day " << dayCount << "..." << endl;
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fishCount = nextFishCount;
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}
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cout << "Fish Count: " << fishCount.size() << endl;
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return 0;
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}
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