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authorJérémy Zurcher <jeremy@asynk.ch>2022-03-25 09:38:27 +0100
committerJérémy Zurcher <jeremy@asynk.ch>2022-03-25 09:38:27 +0100
commit701b6b88ac8258a5c21197bb726825e7592d762b (patch)
tree524c08cb7602d62fc40dc34783a973cbb78339d0 /05-advanced_algorithms_and_complexity
parent623c5d60f54c62fd50d115859cf60ea41785d5d2 (diff)
downloadcoursera-701b6b88ac8258a5c21197bb726825e7592d762b.zip
coursera-701b6b88ac8258a5c21197bb726825e7592d762b.tar.gz
Algorithms : add 05-advanced_algorithms_and_complexity 03-np-completness
Diffstat (limited to '05-advanced_algorithms_and_complexity')
-rw-r--r--05-advanced_algorithms_and_complexity/03-np-completness/00_np-completeness.pdfbin0 -> 1171949 bytes
-rw-r--r--05-advanced_algorithms_and_complexity/03-np-completness/01-gsm_network/gsm_network.cpp45
-rw-r--r--05-advanced_algorithms_and_complexity/03-np-completness/02-cleaning_apartment/cleaning_apartment.cpp42
-rw-r--r--05-advanced_algorithms_and_complexity/03-np-completness/03-budget_allocation/budget_allocation.cpp43
4 files changed, 130 insertions, 0 deletions
diff --git a/05-advanced_algorithms_and_complexity/03-np-completness/00_np-completeness.pdf b/05-advanced_algorithms_and_complexity/03-np-completness/00_np-completeness.pdf
new file mode 100644
index 0000000..7a89a16
--- /dev/null
+++ b/05-advanced_algorithms_and_complexity/03-np-completness/00_np-completeness.pdf
Binary files differ
diff --git a/05-advanced_algorithms_and_complexity/03-np-completness/01-gsm_network/gsm_network.cpp b/05-advanced_algorithms_and_complexity/03-np-completness/01-gsm_network/gsm_network.cpp
new file mode 100644
index 0000000..5eafa18
--- /dev/null
+++ b/05-advanced_algorithms_and_complexity/03-np-completness/01-gsm_network/gsm_network.cpp
@@ -0,0 +1,45 @@
+#include <ios>
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+struct Edge {
+ int from;
+ int to;
+};
+
+struct ConvertGSMNetworkProblemToSat {
+ int numVertices;
+ vector<Edge> edges;
+
+ ConvertGSMNetworkProblemToSat(int n, int m) :
+ numVertices(n),
+ edges(m)
+ { }
+
+ void printEquisatisfiableSatFormula() {
+ // This solution prints a simple satisfiable formula
+ // and passes about half of the tests.
+ // Change this function to solve the problem.
+ cout << "3 2" << endl;
+ cout << "1 2 0" << endl;
+ cout << "-1 -2 0" << endl;
+ cout << "1 -2 0" << endl;
+ }
+};
+
+int main() {
+ ios::sync_with_stdio(false);
+
+ int n, m;
+ cin >> n >> m;
+ ConvertGSMNetworkProblemToSat converter(n, m);
+ for (int i = 0; i < m; ++i) {
+ cin >> converter.edges[i].from >> converter.edges[i].to;
+ }
+
+ converter.printEquisatisfiableSatFormula();
+
+ return 0;
+}
diff --git a/05-advanced_algorithms_and_complexity/03-np-completness/02-cleaning_apartment/cleaning_apartment.cpp b/05-advanced_algorithms_and_complexity/03-np-completness/02-cleaning_apartment/cleaning_apartment.cpp
new file mode 100644
index 0000000..5690be7
--- /dev/null
+++ b/05-advanced_algorithms_and_complexity/03-np-completness/02-cleaning_apartment/cleaning_apartment.cpp
@@ -0,0 +1,42 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+struct Edge {
+ int from;
+ int to;
+};
+
+struct ConvertHampathToSat {
+ int numVertices;
+ vector<Edge> edges;
+
+ ConvertHampathToSat(int n, int m) :
+ numVertices(n),
+ edges(m)
+ { }
+
+ void printEquisatisfiableSatFormula() {
+ // This solution prints a simple satisfiable formula
+ // and passes about half of the tests.
+ // Change this function to solve the problem.
+ cout << "3 2" << endl;
+ cout << "1 2 0" << endl;
+ cout << "-1 -2 0" << endl;
+ cout << "1 -2 0" << endl;
+ }
+};
+
+int main() {
+ ios::sync_with_stdio(false);
+
+ int n, m;
+ cin >> n >> m;
+ ConvertHampathToSat converter(n, m);
+ for (int i = 0; i < m; ++i) {
+ cin >> converter.edges[i].from >> converter.edges[i].to;
+ }
+
+ converter.printEquisatisfiableSatFormula();
+
+ return 0;
+}
diff --git a/05-advanced_algorithms_and_complexity/03-np-completness/03-budget_allocation/budget_allocation.cpp b/05-advanced_algorithms_and_complexity/03-np-completness/03-budget_allocation/budget_allocation.cpp
new file mode 100644
index 0000000..d2bfc51
--- /dev/null
+++ b/05-advanced_algorithms_and_complexity/03-np-completness/03-budget_allocation/budget_allocation.cpp
@@ -0,0 +1,43 @@
+#include <ios>
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+struct ConvertILPToSat {
+ vector< vector<int> > A;
+ vector<int> b;
+
+ ConvertILPToSat(int n, int m) : A(n, vector<int>(m)), b(n)
+ {}
+
+ void printEquisatisfiableSatFormula() {
+ // This solution prints a simple satisfiable formula
+ // and passes about half of the tests.
+ // Change this function to solve the problem.
+ cout << "3 2" << endl;
+ cout << "1 2 0" << endl;
+ cout << "-1 -2 0" << endl;
+ cout << "1 -2 0" << endl;
+ }
+};
+
+int main() {
+ ios::sync_with_stdio(false);
+
+ int n, m;
+ cin >> n >> m;
+ ConvertILPToSat converter(n, m);
+ for (int i = 0; i < n; i++) {
+ for (int j = 0; j < m; j++) {
+ cin >> converter.A[i][j];
+ }
+ }
+ for (int i = 0; i < n; i++) {
+ cin >> converter.b[i];
+ }
+
+ converter.printEquisatisfiableSatFormula();
+
+ return 0;
+}