DDraceNetwork
DDraceNetwork / off-topic
Any languages allowed
Between 2024-10-16 00:00 and 2024-10-17 00:00
2
. into -> bar.foo 
1array parameter into &array[0], a poitner to the first element. and -> if I don't have any help from lsp or other tools and just . if I have all the good stuff array parameter into &array[0], a poitner to the first element 
static const uint8_t row_starts[] = {
0, 9, 18, 27, 36, 45, 54, 63, 72,
};
static const uint8_t row_offsets[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8,
};
static const uint8_t column_starts[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8,
};
static const uint8_t column_offsets[] = {
0, 9, 18, 27, 36, 45, 54, 63, 72,
};
static const uint8_t block_starts[] = {
0, 3, 6, 27, 30, 33, 54, 57, 60,
};
static const uint8_t block_offsets[] = {
0, 1, 2, 9, 10, 11, 18, 19, 20,
};
bool verify_pattern(char (*sudoku)[81], uint8_t *starts, size_t num_starts, uint8_t *offsets, size_t num_ffsets) {
for(char digit = 0; digit < 9; digit++) {
for(size_t i = 0; i < num_starts; i++) {
bool found = false;
for(size_t o = 0; o < num_offsets; o++) {
if((*sudoku)[i][o] == digit) {
found = true;
break;
}
}
if(!found) {
return false;
}
}
}
return true;
}
#define NELEM(arr) (sizeof(arr) / sizeof((arr)[0]))
bool verify(char (*sudoku)[81]) {
return true
&& verify_pattern(sudoku, row_starts, NELEM(row_starts), row_offsets, NELEM(row_offsets))
&& verify_pattern(sudoku, column_starts, NELEM(column_starts), column_offsets, NELEM(column_offsets))
&& verify_pattern(sudoku, block_starts, NELEM(block_starts), block_offsets, NELEM(block_offsets))
}
static const uint8_t row_starts[] = {
0, 9, 18, 27, 36, 45, 54, 63, 72,
};
static const uint8_t row_offsets[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8,
};
static const uint8_t column_starts[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8,
};
static const uint8_t column_offsets[] = {
0, 9, 18, 27, 36, 45, 54, 63, 72,
};
static const uint8_t block_starts[] = {
0, 3, 6, 27, 30, 33, 54, 57, 60,
};
static const uint8_t block_offsets[] = {
0, 1, 2, 9, 10, 11, 18, 19, 20,
};
bool verify_pattern(char (*sudoku)[81], uint8_t *starts, size_t num_starts, uint8_t *offsets, size_t num_ffsets) {
for(char digit = 0; digit < 9; digit++) {
for(size_t i = 0; i < num_starts; i++) {
bool found = false;
for(size_t o = 0; o < num_offsets; o++) {
if((*sudoku)[i][o] == digit) {
found = true;
break;
}
}
if(!found) {
return false;
}
}
}
return true;
}
#define NELEM(arr) (sizeof(arr) / sizeof((arr)[0]))
bool verify(char (*sudoku)[81]) {
return true
&& verify_pattern(sudoku, row_starts, NELEM(row_starts), row_offsets, NELEM(row_offsets))
&& verify_pattern(sudoku, column_starts, NELEM(column_starts), column_offsets, NELEM(column_offsets))
&& verify_pattern(sudoku, block_starts, NELEM(block_starts), block_offsets, NELEM(block_offsets))
} bool Sudoku_verify(Sudoku sudoku) {
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[i*9 + j];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[i + 9*j];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[(i%3)*3 + (i/3*27) + (j%3) + (j/3*9)];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
return true;
}
my attempt lolbool Sudoku_verify(Sudoku sudoku) {
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[i*9 + j];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[i + 9*j];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
for (int i=0;i<9;i++) {
bool seen[9] = {false};
for (int j=0;j<9;j++) {
char value = sudoku[(i%3)*3 + (i/3*27) + (j%3) + (j/3*9)];
if (value == 0) continue;
if (seen[value - 1]) return false;
seen[value - 1] = true;
}
}
return true;
}
my attempt lol char Sudoku[9*9]
1(fn()->void)[69] or [69]fn()->void )(fn()->void)[69] or [69]fn()->void 
️
Looks really amazing that everything feels so 3D and almost as if you are part of the world.
And I feel sick now after jumping from some cliffs xD 
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