Submission #39599976

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Source Code Expand

#include<bits/stdc++.h>
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
int main(){
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	string s; cin>>s;
	int n = s.length();
	for(int i=1; i<=n/2; i++){
		swap(s[2*i-2],s[2*i-1]);
	}
	cout<<s;
}

Submission Info

Compile Error

./Main.cpp:2: warning: ignoring #pragma optimize  [-Wunknown-pragmas]
    2 | #pragma optimize ("g",on)
      | 
./Main.cpp:8: warning: ignoring #pragma comment  [-Wunknown-pragmas]
    8 | #pragma comment(linker, "/stack:200000000")
      | 

Judge Result