제출 #509956

#제출 시각아이디문제언어결과실행 시간메모리
509956omohamadoooFootball (info1cup20_football)C++14
0 / 100
41 ms16300 KiB
#include<bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> #define ll long long #define pb push_back #define endl '\n' #define pii pair<ll,ll > #define F first #define S second #define double long double #define all(x) (x).begin(),(x).end() using namespace std; using namespace __gnu_pbds; typedef tree<ll , null_type , less<ll> ,rb_tree_tag ,tree_order_statistics_node_update >ordered_set; const int MOD=1e9+7 ; const int N=1e6+7; const ll INF= 1e18+10; long long po(ll x,ll y) { ll ans=1; while(y){ if(y&1) ans*=x; y/=2; x*=x; //ans%=MOD; //x%=MOD; } return ans; } ll n; ll k; ll a[N]; ll ctr[40]; void solve() { ll ctr2 = 0,ctr4 = 0; cin>>n>>k; ll sm = 0; for(ll i=1;i<=n;i++){ cin>>a[i]; sm += a[i]; for(ll j= 2,w = 1;j<=a[i] ;j++,w++){ ctr[w] += a[i] / j; } } if(sm & 1){ cout<<1; return; } for(ll i= 1;i<=33;i++){ if((1LL << i) > k) break; if(ctr[i] &1){ cout<<1; return; } } cout<<0; return; } int main(){ ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); //freopen("input.txt" , "r" , stdin);freopen("output.txt" , "w" , stdout); int t = 1; cin >> t; while(t--) {solve() ; for(ll i=1;i<39;i++) ctr[i] = 0;} }

컴파일 시 표준 에러 (stderr) 메시지

football.cpp: In function 'void solve()':
football.cpp:45:8: warning: unused variable 'ctr2' [-Wunused-variable]
   45 |     ll ctr2 = 0,ctr4 = 0;
      |        ^~~~
football.cpp:45:17: warning: unused variable 'ctr4' [-Wunused-variable]
   45 |     ll ctr2 = 0,ctr4 = 0;
      |                 ^~~~
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