题目:
题解:
cpp
void setZeroes(int** matrix, int matrixSize, int* matrixColSize) {
int m = matrixSize;
int n = matrixColSize[0];
int flag_col0 = false;
for (int i = 0; i < m; i++) {
if (!matrix[i][0]) {
flag_col0 = true;
}
for (int j = 1; j < n; j++) {
if (!matrix[i][j]) {
matrix[i][0] = matrix[0][j] = 0;
}
}
}
for (int i = m - 1; i >= 0; i--) {
for (int j = 1; j < n; j++) {
if (!matrix[i][0] || !matrix[0][j]) {
matrix[i][j] = 0;
}
}
if (flag_col0) {
matrix[i][0] = 0;
}
}
}