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| #define MAX 1000000007 | |
| #define FACT_MAX 250 | |
| int add(int a, int b){ | |
| return (a + b) % MAX; | |
| } | |
| int mul(int a, in b){ | |
| return ((long long)a * b) % MAX; | |
| } |
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| #define C_MAX 250 | |
| int C[C_MAX][C_MAX]; | |
| C[0][0] = 1; | |
| for (int i = 1; i < C_MAX; i++){ | |
| C[i][0] = 1; | |
| for (int j = 1; j <= i; j++){ | |
| /* Actual Binomial Coefficient */ | |
| //C[i][j] = C[i-1][j] + C[i-1][j-1]; |
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| bool is_power_of_two(int n){ | |
| return x && !(x & (x - 1)); | |
| } |
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| void swap(int & a, int & b){ | |
| a = a ^ b; | |
| b = a ^ b; | |
| a = a ^ b; | |
| } |
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| int diff = 0; | |
| for (int i = 0; i <= n; i++){ | |
| if (B[diff + n] == -1) B[diff + n] = i; | |
| else B[diff+ n] = min(B[diff + n], i); | |
| if (C[diff + n] == -1) C[diff + n] = i; | |
| else C[diff + n] = max(C[diff + n], i); | |
| if (i < n && A[i] == 0) diff--; |
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| #include <iostream> | |
| static const int N = 10000; | |
| int main() | |
| { int i, j, p, q, id[N], sz[N]; | |
| for (i = 0; i < N; i++) | |
| { id[i] = i; sz[i] = 1; } | |
| while (cin >> p >> q) | |
| { |
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| int diff = 0; | |
| for (int i = 0; i <= n; i++){ | |
| if (B[diff + n] == -1) B[diff + n] = i; | |
| else C[diff + n] = i; | |
| if (A[i]) diff++; else diff--; | |
| } |
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| int finished = 0; /* found all solutions yet? */ | |
| template <class T> | |
| backtrack(int a[], int k, T * input) | |
| { | |
| T c[MAXCANDIDATES]; /* candidates for next position */ | |
| int ncandidates; /* next position candidate count */ | |
| int i; /* counter */ | |
| if (is_a_solution(a,k,input)) |
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| prime_factorization(long x) | |
| { | |
| long i; /* counter */ | |
| long c; /* remaining product to factor */ | |
| c = x; | |
| while ((c % 2) == 0) { | |
| printf("%ld\n",2); | |
| c = c / 2; | |
| } | |
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| #include <iostream> | |
| #include <algorithm> | |
| using namespace std; | |
| int main(){ | |
| int n; | |
| cin>>n; | |
| int * A = new int[n]; | |
| for (int i = 0; i < n; i++) A[i] = i + 1; |
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