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10168.cpp
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10168.cpp
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#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
using namespace std;
#define FOI(i, A, B) for (i = A; i <= B; i++)
#define FOD(i, A, B) for (i = A; i >= B; i--)
#define MAX 3165
int N;
vector< int > Prime;
bool P[MAX + 1];
map<int, vector< int > > Map;
void seive() {
memset(P, true, sizeof P);
P[0] = false; P[1] = false;
int i, j;
FOI(i, 2, MAX) {
if (P[i]) {
Prime.push_back(i);
for (j = i * i; j <= MAX; j+= i)
P[j] = false;
}
}
N = Prime.size() - 1;
cout << N << endl;
}
void Cal() {
FOI(a, 0, N) {
int V = Prime[a];
FOI(b, a, N) {
V += Prime[b];
FOI(c, b, N) {
V += Prime[c];
FOI(d, c, N) {
V += Prime[d];
}
}
}
}
}
int main(){
//freopen("testI.txt", "r", stdin);
//freopen("testO.txt", "w", stdout);
seive();
Cal();
return 0;
}