82 lines
2 KiB
C++
82 lines
2 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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long int fishCount[9] = {};
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long int nextFishCount[9] = {};
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int dayCount = 0;
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long int finalFishCount = 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[1]++;
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break;
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case '2':
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fishCount[2]++;
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break;
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case '3':
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fishCount[3]++;
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break;
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case '4':
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fishCount[4]++;
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break;
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case '5':
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fishCount[5]++;
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break;
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case '6':
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fishCount[6]++;
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break;
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case '7':
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fishCount[7]++;
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break;
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case '8':
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fishCount[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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cout << "Initial Size: ";
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for(int i=0;i<9;i++)
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{
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cout << fishCount[i] << ",";
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}
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for(dayCount;dayCount<256;dayCount++)
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{
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//cout << "New Day! Processing day " << dayCount << "..." << endl;
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for(int i=0;i<8;i++)
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{
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nextFishCount[i] = fishCount[i+1];
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}
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nextFishCount[8] = fishCount[0];
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nextFishCount[6] += fishCount[0];
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for(int i=0;i<9;i++)
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{
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fishCount[i] = nextFishCount[i];
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}
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}
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cout << endl << "End Size: ";
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for(int i=0;i<9;i++)
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{
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cout << fishCount[i] << ",";
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finalFishCount += fishCount[i];
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}
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cout << "Fish Count: " << finalFishCount << endl;
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return 0;
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}
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