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Update hw4 to a newer version.

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Signed-off-by: jmug <u.g.a.mariano@gmail.com>
This commit is contained in:
Mariano Uvalle 2025-01-24 21:01:32 -08:00
parent 07d34c0cd8
commit b24a264f7e
221 changed files with 846 additions and 746 deletions
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54
hw4/hw4programs/toposort.oat Normal file
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/* Sumit Shyamsukha (ssumit) and Robert Zajac (rzajac) */
/* CIS341 Spring 2017 */
/* 0 is white, 1 is gray, 2 is black */
global color = int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
global startTimes = int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
global finishTimes = int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
global topoSort = int[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
global numVertices = 16;
global index = 15;
void dfs(int[][] adj) {
for (var i = 0; i < numVertices; i=i+1;) {
if (color[i] == 0) {
dfsHelper(adj, i, 0);
}
}
return;
}
void dfsHelper(int[][] adj, int s, int t) {
color[s] = 1;
startTimes[s] = t;
var stringRep = string_of_array(adj[s]);
var length = length_of_string(stringRep);
for (var i = 0; i < length; i=i+1;) {
var neighbor = adj[s][i];
if (color[neighbor] == 0) {
dfsHelper(adj, neighbor, t + 1);
}
}
color[s] = 2;
finishTimes[s] = t + 1;
topoSort[index] = s;
index = index - 1;
return;
}
int program(int argc, string[] argv) {
/* Graph taken from https://i.stack.imgur.com/zuLmn.png */
var adjList = new int[][]{new int[]{7, 10, 13, 14}, new int[]{2, 9, 13}, new int[]{10, 12, 13, 14}, new int[]{6, 8, 9, 11}, new int[]{7}, new int[]{6, 7, 9, 10}, new int[]{15}, new int[]{14}, new int[]{15}, new int[]{11, 14}, new int[]{14}, new int[]{}, new int[]{}, new int[]{}, new int[]{}, new int[]{}};
dfs(adjList);
for (var i = 0; i < numVertices; i=i+1;) {
print_int(topoSort[i]);
print_string (" ");
}
print_string ("-");
return 0;
}