Codemania

Author: harrypotter0

CP/Codemania/prob2.py

@@ -0,0 +1,16 @@
+for nitish in range(int(raw_input())):
+  n=int(raw_input())
+  if(n==1):
+    print(1)
+    continue
+  mod=10**9+7
+
+  # x=((n*(n+1)*(2*n+1))//6)%mod
+  # y=((n*n+1-2*n)%mod)*(n//2)
+  # y=y%mod
+  # xx=n//2-1
+  # c=(((xx*(xx+1))%mod*(2-2*n))%mod+(xx*(xx+1)*(xx*2+1)*4)//6)%mod
+  print(((((n*(n+1))//2)%mod)*n)%mod)
+
+
+  # print((x+y+c)%(mod))

CP/Codemania/prob3.py

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+import math
+t = int(input())
+for tc in range(t):
+    a = input()
+    b = input()
+    inta = 0
+    intb = 0
+    cnta = 0
+    cntb = 0
+    # 1st team
+    vala = a.find('!')
+    if vala > 0:
+        inta = int(a[:vala])
+        cnta = len(a) - vala
+    else:
+        inta = int(a)
+    valb = b.find('!')
+    # print(valb)
+    # 2nd team
+    if valb > 0:
+        intb = int(b[:valb])
+        cntb = len(b) - valb
+    else:
+        intb = int(b)
+    # print("cnta",cnta ,"cntb",cntb)
+    # fact(13) > 10^9 so calculate upto 12
+    while cnta > 0 and inta < 13:
+        # print("aaaaaa")
+        cnta -= 1
+        inta = math.factorial(inta)
+    while cntb > 0 and intb < 13:
+        # print("bbbbbb")
+        cntb -= 1
+        intb = math.factorial(intb)
+    # print("cnta",cnta ,"cntb",cntb)
+    if cnta == cntb:
+        if inta > intb:
+            print(1)
+        elif inta < intb:
+            print(-1)
+        else:
+            print(0)
+    elif cnta < cntb:
+        print(-1)
+    elif cnta > cntb:
+        print(1)

CP/Codemania/prob4.py

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+import math
+import sys
+n=int(input())
+mod = pow(10,9)+7
+for i in range(n):
+   p , m = map(int , raw_input().split())
+   ans1 = pow(2*(p+1) , m , mod)%mod
+   ans2 = pow((p+1) , mod-2 , mod)%mod
+   ans3 = (p+1-m)%mod
+   ans = (ans1*ans2*ans3)%mod
+   # print(ans1,ans2,ans3)
+   print(ans)

CP/Codemania/prob5.cpp

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+n=input()
+s=raw_input()
+vowels="aeiouy"
+ans=""
+i=0
+while i<n:
+    ans+=str(s[i])
+    if s[i] not in vowels:
+        i+=1
+        continue
+    while i<n and s[i] in vowels:i+=1
+print ans

CP/Educational Codeforces Round 38 (Rated for Div. 2)/prob1.py

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+n=input()
+a=map(int,raw_input().split())
+x=1
+y=10**6
+ans=min(a[n-1]-x,y-a[0])
+for i in range(n-1):
+    ans=min(ans,max(a[i]-x,y-a[i+1]) )
+print ans
+        

CP/Educational Codeforces Round 38 (Rated for Div. 2)/prob2.py

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+ps = [False]*(10**5)
+ps[0] = True
+ps[1] = True
+for i in range(len(ps)):
+    if not ps[i]:
+        for k in range(i*i, i, len(ps)):
+            ps[k] = True
+primes = [i for i, v in enumerate(ps) if not v]
+
+t = int(raw_input())
+for _ in range(t):
+    x = int(raw_input())
+    divs = set([1])
+    xol = x
+    if x == 0:
+        print("1 1")
+        continue
+    for p in primes:
+        if x <= 1: break
+        while x%p == 0:
+            d2 = set()
+            for d in divs:
+                d2.add(d*p)
+            divs |= d2
+            x //= p
+    ok = False
+    for d in divs:
+        d1, d2 = d, xol//d
+        if (d1+d2)%2 == 0:
+            n, nm = (d1+d2)//2, (max(d1,d2) - min(d1, d2))//2
+            if nm == 0: continue
+            m1 = n//nm
+            m2 = n//nm + 1
+            if m1 > 0 and n//m1 == nm:
+                print("{} {}".format(n, m1))
+                ok = True
+                break
+            if m2 > 0 and n//m2 == nm:
+                print("{} {}".format(n, m2))
+                ok = True
+                break
+    if not ok:
+        print(-1)