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018.cpp
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018.cpp
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#include <algorithm>
#include <iostream>
#include <vector>
int main(int argc, char* argv[])
{
std::vector<std::vector<int>> input
{
{75},
{95, 64},
{17, 47, 82},
{18, 35, 87, 10},
{20, 04, 82, 47, 65},
{19, 01, 23, 75, 03, 34},
{88, 02, 77, 73, 07, 63, 67},
{99, 65, 04, 28, 06, 16, 70, 92},
{41, 41, 26, 56, 83, 40, 80, 70, 33},
{41, 48, 72, 33, 47, 32, 37, 16, 94, 29},
{53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14},
{70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57},
{91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48},
{63, 66, 04, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31},
{04, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 04, 23}
};
for(int i = input.size() - 2; i >= 0; --i)
for(int j = 0; j < input[i].size(); ++j)
input[i][j] += std::max(input[i + 1][j], input[i + 1][j + 1]);
std::cout << input[0][0] << std::endl;
return 0;
}