#include using namespace std; int n; int mat[105][105]; int dp[105][105]; int min_sum(int i, int j) { if(i == 0 and j == 0) { return mat[i][j]; } if(dp[i][j] != -1) { return dp[i][j]; } int result = 1e9; if(i - 1 >= 0) { result = min(result, min_sum(i - 1, j) + mat[i][j]); if(j - 1 >= 0) { result = min(result, min_sum(i - 1, j - 1) + mat[i][j]); } } if(j - 1 >= 0) { result = min(result, min_sum(i, j - 1) + mat[i][j]); } return dp[i][j] = result; } int main() { cin >> n; for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { mat[i][j] = -1; dp[i][j] = -1; } } for(int i = 0; i < n; i++) { for(int j = 0; j < n - i; j++) { cin >> mat[i][j]; } } int result = 1e9; int ri, rj; for(int i = 0; i < n; i++) { if(result > min_sum(i, n - i - 1)) { result = min_sum(i, n - i - 1); ri = i; rj = n - i - 1; } } cout << result << endl; cout << ri + 1 << " " << rj + 1 << endl; return 0; } // f(0, 0) = f(1, 0) f(0, 1) // f(1, 0) = f(2, 0) f(1, 1) // f(0, 1) = f(1, 1) f(2, 0)