trois premiers jours

day1.py

@@ -0,0 +1,21 @@
+import numpy as np
+
+l = np.loadtxt("day1.txt")
+# l = np.array([[3,4],
+            #   [4,3],
+            #   [2,5],
+            #   [1,3],
+            #   [3,9],
+            #   [3,3]])
+
+a,b = np.sort(l[:,0]),np.sort(l[:,1])
+dist = np.abs(a - b)
+tot = np.sum(dist)
+# print(tot)
+
+sim = 0
+for i in a :
+    for j in b :
+        if i == j:
+            sim += i
+print(sim)

day2.py

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+import numpy as np
+
+with open('day2.txt') as f:
+    l = [line.rstrip().split() for line in f]
+    
+# l = [[7, 6, 4, 2, 1],
+#     [1, 2, 7, 8, 9],
+#     [9, 7, 6, 2, 1],
+#     [1, 3, 2, 4, 5],
+#     [8, 6, 4, 4, 1],
+#     [1, 3, 6, 7, 9]]
+
+print(l)
+
+# l = np.loadtxt("day2.txt")
+
+def test_if_safe(diff,inc):
+    # inc = np.sign(diff)
+    if abs(diff) > 3 or abs(diff) == 0:
+        print("Trop grand")
+        return False
+    elif np.sign(inc) != np.sign(diff):
+        print("Changement de sens")
+        return False
+
+    return True
+
+def loop(list):
+    for k in range(len(list)-1):
+        diff2 = int(list[k+1])-int(list[k])
+        if k == 0:
+            inc2 = np.sign(diff2)
+        
+        print("diff = ", diff2)
+
+
+        safe2 = test_if_safe(diff2,inc2)
+        if not safe2 :
+            break
+        inc2 = np.sign(diff2)
+    print("safe in loop", safe2)
+    return safe2
+
+
+
+cnt = 0
+
+for report in l:
+    incs = []
+    inc = 0
+    
+    safe = True
+    print(report)
+    for k in range(len(report)):
+        report2 = report.copy()
+        report2.pop(k)
+        safe = loop(report2)
+        if safe : 
+            cnt+=1
+            break
+
+print("Cnt = ", cnt)

day3.py

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+# data = "xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))"
+
+PART1 = False
+with open('day3.txt') as f:
+    l = [line.rstrip() for line in f]
+    data = ""
+    for line in l:
+        data += line
+
+mul = []
+
+if PART1:
+
+    for i in range(len(data)):
+        window = data[i:i+4]
+        print("window=",window)
+        if window == "mul(":
+            for j in range(i+4,min(i+4+8,len(data))):
+                print(data[j])
+                if data[j]==")":
+                    to_test = data[i+4:j]
+                    
+                    # print("to_test=", to_test)
+                    to_test = to_test.split(",")
+                    # print("to_test=", to_test)
+                    if len(to_test)==2:
+                        try :
+                            a,b = int(to_test[0]),int(to_test[1])
+                            print("ab = ", a, b)
+                            mul.append(a*b)
+
+
+                        except :
+                            # print("not int")
+                            pass
+
+else :
+    do = True
+    for i in range(len(data)):
+        window_do = data[i:i+7]
+        print("window_do=",window_do)
+        if window_do == "don't()":
+            do = False
+        elif "do()" in window_do:
+            do = True
+        window = data[i:i+4]
+        print("window=",window)
+        if window== "mul(":
+            for j in range(i+4,min(i+4+8,len(data))):
+                print(data[j])
+                if data[j]==")":
+                    to_test = data[i+4:j]
+                    
+                    # print("to_test=", to_test)
+                    to_test = to_test.split(",")
+                    # print("to_test=", to_test)
+                    if len(to_test)==2 and do:
+                        try :
+                            a,b = int(to_test[0]),int(to_test[1])
+                            print("ab = ", a, b)
+                            mul.append(a*b)
+
+
+                        except :
+                            print("not int")
+                            pass
+    
+
+print(mul)
+tot = sum(mul)
+
+print(tot)