Submission #2740634

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define endl "\n"
#define SQ(a) (a)*(a)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define int long long
#define REP(i,m,n) for(int i = m; i < (int)(n); i++)


int32_t main()
{
IOS
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif


int a,b;
cin>>a>>b;
cout<<max(a+b,max(a*b,a-b));


#ifndef ONLINE_JUDGE
	cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n\n";
#endif

return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int32_t main()’:
./Main.cpp:18:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
 freopen("input.txt", "r", stdin);
                                 ^
./Main.cpp:19:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
 freopen("output.txt", "w", stdout);
                                   ^

Judge Result