#include<iostream> #include<string> #include<algorithm> #include<stack> #include<vector> #include<cmath> using namespace std; int main() { int n; while (cin >> n && n != 0) { int **arr = new int*[n]; for (int i = 0; i < n; i++) { arr[i] = new int[i + 1]; for (int j = 0; j < i+1; j++) cin >> arr[i][j]; } for (int i = n-1; i > 0; i--) for (int j = 0; j < i; j++) arr[i - 1][j] + arr[i][j] > arr[i - 1][j] + arr[i][j + 1] ? arr[i - 1][j] = arr[i - 1][j] + arr[i][j + 1] : arr[i - 1][j] = arr[i - 1][j] + arr[i][j]; cout << arr[0][0] << endl; } return 0; } |
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