2022-day-3

2022/day-3.cpp

@@ -0,0 +1,59 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+int getcc(char c){
+    if(((int)c)-96>0)//lowercase
+        return((int)c)-96;
+    else
+        return((int)c-38);
+}
+int main(int argc, char* argv[]){
+  std::cout<<"paste input followed by a ;\n";
+  std::vector<std::string> inp;
+  std::string line;
+  while(getline(std::cin, line)){
+    if(line==";")
+      break;
+    inp.push_back(line);
+  }
+  int total = 0;
+  for(std::string ss : inp){
+    std::vector<char> contains = {};
+    std::string s1 = ss.substr(0,ss.size()/2);
+    std::string s2 = ss.substr(ss.size()/2,ss.size());
+    for(int i = 0; i!=s1.size();i++){
+        
+        for(int z = 0; z!=s2.size();z++){
+            if(s1[i]==s2[z]&&!std::count(contains.begin(), contains.end(), s1[i]))
+                contains.push_back(s1[i]);
+        }
+    }
+    for(char cc : contains){
+        total+=getcc(cc);
+    }
+  }
+  std::cout<<"part 1 :"<<total<<std::endl;
+  total = 0;
+  for(int i = 0; i!=inp.size();i+=3){
+    std::string ps1 = inp[i];
+    std::string ps2 = inp[i+1];
+    std::string ps3 = inp[i+2];
+    std::vector<char> contains = {};
+    for(int z = 0;z!=ps1.size();z++){
+        for(int y = 0;y!=ps2.size();y++){
+            if(z!=y&&ps1[z]==ps2[y]){
+                for(int w = 0;w!=ps3.size();w++){
+                    if(ps1[z]==ps3[w]&&!std::count(contains.begin(), contains.end(), ps1[z]))
+                contains.push_back(ps1[z]);
+                }
+            }
+        }
+    }
+    for(char cc : contains){
+        total+=getcc(cc);
+    }
+  }
+  std::cout<<"part 2 :"<<total;
+  return 0;
+}

justfile

@@ -9,4 +9,7 @@ y22-d1:
     g++ -o ./2022/day-1 ./2022/day-1.cpp && ./2022/day-1 
 #2022 day 2 ~ both parts
 y22-d2:
-    g++ -o ./2022/day-2 ./2022/day-2.cpp && ./2022/day-2 
+    g++ -o ./2022/day-2 ./2022/day-2.cpp && ./2022/day-2
+#2022 day 3 ~ both parts
+y22-d3:
+    g++ -o ./2022/day-3 ./2022/day-3.cpp && ./2022/day-3