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everything but the matrix works so idk

This commit is contained in:
Om Raheja 2024-08-26 16:21:27 -04:00
parent 33dc0628de
commit b034f6ea7f
1 changed files with 22 additions and 21 deletions
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43
rank.c
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@ -12,7 +12,7 @@
#define M_STR 255 #define M_STR 255
#define M_STR_LEN 255 #define M_STR_LEN 255
void isort(char [][M_STR_LEN], int *, int); void isort(char [][M_STR], char [][M_STR_LEN], int *, int);
int int
main(void) main(void)
@ -38,7 +38,7 @@ main(void)
} }
// init sorted strings // init sorted strings
char sorted_strings[M_STR][i]; char sorted_strings[i][M_STR_LEN];
memcpy(sorted_strings, strings, sizeof(sorted_strings)); memcpy(sorted_strings, strings, sizeof(sorted_strings));
// construct matrix of comparisons // construct matrix of comparisons
@ -55,7 +55,6 @@ main(void)
// memcpy(3) with null bytes // memcpy(3) with null bytes
memset(winners, 0, sizeof(winners)); memset(winners, 0, sizeof(winners));
memset(sorted_winners, 0, sizeof(sorted_winners));
// compare all of the elements // compare all of the elements
for (int j = 0; j < i; j++) { for (int j = 0; j < i; j++) {
@ -64,18 +63,15 @@ main(void)
// read one char, set matrix accordingly // read one char, set matrix accordingly
char c = getchar(); char c = getchar();
if (c == '>') { if (c == '>') {
matrix[j][k] = 1; matrix[j][k]++;
winners[j]++; winners[j]++;
sorted_winners[j]++;
} else if (c == '<') { } else if (c == '<') {
matrix[j][k] = 0; matrix[k][j]++;
winners[k]++; winners[k]++;
sorted_winners[k]++;
} else { } else {
printf("Setting to " BOLDRED "<" RESET ": %c\n", c); printf("Setting to " BOLDRED "<" RESET ": %c\n", c);
matrix[j][k] = 0; matrix[k][j]++;
winners[k]++; winners[k]++;
sorted_winners[k]++;
} }
// clear input buffer // clear input buffer
@ -89,13 +85,10 @@ main(void)
} }
} }
// print out the results memcpy(sorted_winners, winners, sizeof(sorted_winners));
for (int j = 0; j < i; j++) {
printf("%s: %d\n", sorted_strings[j], sorted_winners[j]);
}
// insertion sort: the array **should be** nearly sorted // insertion sort: the array **should be** nearly sorted
isort(sorted_strings, sorted_winners, i); isort(matrix, sorted_strings, sorted_winners, i);
// print out the results // print out the results
for (int j = 0; j < i; j++) { for (int j = 0; j < i; j++) {
@ -106,20 +99,28 @@ main(void)
} }
void void
isort(char name[][M_STR_LEN], int *value, int len) { isort(char matrix[][M_STR], char name[][M_STR_LEN], int *value, int len) {
// sort by value, modify key accordingly // sort by value, modify key accordingly
for (int i = 1; i < len; i++) { for (int i = 1; i < len; i++) {
int key = value[i]; int key = value[i];
char *str_key = name[i];
char str_key[M_STR_LEN];
strncpy(str_key, name[i], M_STR_LEN);
int j = i - 1; int j = i - 1;
while (j >= 0 && value[j] > key) {
// test
printf("%s: %d %d\n", name[i], value[i], i);
while (j >= 0 && value[j] < key ) {
// test
printf("key: %d, j: %d, value[j]: %d, value[j+1]: %d, name[j]: %s, name[j+1]: %s\n", key, j, value[j], value[j + 1], name[j], name[j + 1]);
// matrix print at value
printf("matrix[%d][%d]\n", j, i);
value[j + 1] = value[j]; value[j + 1] = value[j];
strncpy(name[j + 1], name[j], M_STR_LEN); strncpy(name[j + 1], name[j], M_STR_LEN);
key = value[j];
str_key = name[j];
j--; j--;
} }
value[++j] = key; value[++j] = key;