Submission #19294

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
19294	2016-02-24T09:01:45 Z	cki86201	Α (kriii4_P1)	C++	Compilation error	0 ms	0 KB

P1

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <time.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> Pi;
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) (int)x.size()
#define rep(i,n) for(int i=0;i<n;i++)
#define all(x) x.begin(),x.end()

const ll MOD = 1e9 + 7;

ll pw(ll a,ll b){
	a %= MOD;
	ll res = 1;
	while(b){
		if(b&1)res = (res * a) % MOD;
		a = (a * a) % MOD;
		b >>= 1;
	}
	return res;
}

int main(){
	ll a, b;
	scanf("%lld%lld", &a, &b);
	printf("%lld", pw(a, b));
	return 0;
}

Compilation message

In file included from /usr/include/c++/4.9/unordered_set:35:0,
                 from P1.cpp:15:
/usr/include/c++/4.9/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
P1.cpp: In function ‘int main()’:
P1.cpp:44:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &a, &b);
                           ^