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#include <iostream>
const int ROWS = 9, COLS = 7;
int max(int a, int b) {
return a > b ? a : b;
}
int min(int a, int b) {
return a < b ? a : b;
}
double abs(double x) {
return x < 0 ? -x : x;
}
bool checkSurroundingCells(const double mat[ROWS][COLS], int row, int col, double maxDiff)
{
for (int r = max(0, row - 1); r <= min(ROWS - 1, row + 1); r++) {
for (int c = max(0, col - 1); c <= min(COLS - 1, col + 1); c++) {
if (abs(mat[r][c] - mat[row][col]) >= maxDiff)
return false;
}
}
return true;
}
int main() {
double mat[ROWS][COLS];
for (int i = 0; i < ROWS; i++)
for (int j = 0; j < COLS; j++)
std::cin >> mat[i][j];
double maxDiff;
std::cin >> maxDiff;
bool smooth = true;
for (int i = 0; i < ROWS && smooth; i++)
for (int j = 0; j < COLS && smooth; j++)
smooth = checkSurroundingCells(mat, i, j, maxDiff);
if (smooth)
std::cout << "Smooth" << std::endl;
else
std::cout << "Not smooth" << std::endl;
return 0;
}
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