Submission #2859669

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Source Code Expand

#include <iostream>
#include <fstream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>

#include <boost/multiprecision/cpp_int.hpp>

using namespace std;
using namespace boost::multiprecison;

cpp_int power(int p, int q){
    cpp_int ret = p;
    for(int i=1;i<q;i++){
        ret *= p;
    }
    return ret;
}

int main(void){
	int n = 0;
    cin >> n;
    cpp_int pow = 1;
    for(int i=1;i<=n;i++){
        pow *= i;
    }
    cout << pow % (7 + power(10,9)) << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp:11:24: error: ‘multiprecison’ is not a namespace-name
 using namespace boost::multiprecison;
                        ^
./Main.cpp:11:37: error: expected namespace-name before ‘;’ token
 using namespace boost::multiprecison;
                                     ^
./Main.cpp:13:1: error: ‘cpp_int’ does not name a type
 cpp_int power(int p, int q){
 ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:24:5: error: ‘cpp_int’ was not declared in this scope
     cpp_int pow = 1;
     ^
./Main.cpp:24:5: note: suggested alternatives:
In file included from ./Main.cpp:8:0:
/opt/boost/gcc/include/boost/multiprecision/cpp_int.hpp:1884:54: note:   ‘boost::multiprecision::cpp_int’
 typedef number<cpp_int_backend<> >                   cpp_int;
                                                      ^
/opt/boost/gcc/include/boost/multiprecision/cpp_int.hpp:1884:54: note:   ‘boost::multiprecision::cpp_int’
./Main.cpp:26:13: error: overloaded function with no contextual type information
         pow *= i;
         ...