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43.cpp
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82 lines (74 loc) · 1.33 KB
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/**
* Problem:
* Algorithm:
* Author: daiwb
* Date: 2008/
*/
#include <iostream>
#include <sstream>
#include <algorithm>
#include <vector>
#include <set>
#include <cmath>
using namespace std;
#define REP(i,n) for(int i=0;i<(n);++i)
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
typedef long long LL;
vector<string> split( const string& s, const string& delim =" " ) {
vector<string> res;
string t;
for ( int i = 0 ; i != s.size() ; i++ ) {
if ( delim.find( s[i] ) != string::npos ) {
if ( !t.empty() ) {
res.push_back( t );
t = "";
}
} else {
t += s[i];
}
}
if ( !t.empty() ) {
res.push_back(t);
}
return res;
}
int s2i(string s) {
stringstream ss;
ss << s;
int res;
ss >> res;
return res;
}
string i2s(int n) {
stringstream ss;
ss << n;
string res;
ss >> res;
return res;
}
int dd[] = {1, 2, 3, 5, 7, 11, 13, 17};
void run() {
LL res = 0;
vector<int> mm;
REP(i,10) mm.push_back(i);
do {
if (mm[0] == 0) continue;
bool flag = true;
FOR(i,1,7) {
int t = mm[i] * 100 + mm[i + 1] * 10 + mm[i + 2];
if (t % dd[i] != 0) {
flag = false;
break;
}
}
if (flag) {
LL t = 0;
REP(i,10) t = t * 10 + mm[i];
res += t;
}
} while (next_permutation(mm.begin(), mm.end()));
cout << res << endl;
}
int main() {
run();
}