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codeforces

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全部文章 / codeforces （共6篇）

Codeforces Round #629 (Div. 3)

Codeforces Round #629 (Div. 3) A.Divisibility Problem #include<bits/stdc++.h> using namespace std; #define me(a,x) memset(a,x,sizeof(a)) #defin...

2020-03-28

0 1075

Educational Codeforces Round 84

Educational Codeforces Round 84 A. Sum of Odd Integers for i in range (int(input())): n,k=map(int,input().split()) if k*k<=n and (n-k*k)%2...

2020-03-24

0 642

Codeforces Global Round 7

A. Bad Ugly Numbers put(2333...333)B. Maximums a[i]=b[i]=MAX; MAX=max(MAX,a[i]);C. Permutation Partitions #include<bits/stdc++.h> using namespac...

2020-03-20

0 1071

Codeforces Round #628 (Div. 2)

A. EhAb AnD gCd cout<<1<<" "<<x-1<<endl; B. CopyCopyCopyCopyCopy sort(a,a+n); C. Ehab and Path-etic MEXs #include<...

2020-03-15

0 624

Educational Codeforces Round 83 Div2

A.Two Regular Polygons #include<bits/stdc++.h> using namespace std; #define me(a,x) memset(a,x,sizeof(a)) #define sc scanf #define pr printf #de...

2020-03-14

0 694

Codeforces Round #627 (Div. 3)

A. Yet Another Tetris Problem #include<bits/stdc++.h> using namespace std; #define me(a,x) memset(a,x,sizeof(a)) #define sc scanf #define pr pri...

2020-03-13

0 734