Submission #566406

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
566406	2022-05-22 09:50:38	BJoozz	Alternating Current (BOI18_alternating)	C++17	0 / 100	3 ms	2772 KiB

alternating

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define X first
#define Y second
#define int long long
void maxx(int &a,int b){if(b>a) a=b;}
void minn(int &a,int b){if(b<a) a=b;}
mt19937 rng(time(0));
int randint(int l,int r){
    return uniform_int_distribution < int > (l,r) (rng);
}
using ll = long long;
using ii = pair < int , int >;
const int MAX=1e5+3,inf=1e9,mod=1e9+7;
using ld = long double;
int n,m;
vector < int > pr[MAX];
int C[MAX];
bool vs[MAX];
bool in[MAX],ok[MAX];
bool good[MAX];
int L[MAX],R[MAX];
ii trace[MAX];
bool res[MAX];
int dis(int u,int v){
    return (v+n-u)%n+1;
}
signed main(){
    freopen("Alternating Current.inp","r",stdin);freopen("Alternating Current.out","w",stdout);
 
 
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Compilation message (stderr)

alternating.cpp: In function 'int main()':
alternating.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("Alternating Current.inp","r",stdin);freopen("Alternating Current.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
alternating.cpp:30:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("Alternating Current.inp","r",stdin);freopen("Alternating Current.out","w",stdout);
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 22
• Subtask 4: 0 / 19
• Subtask 5: 0 / 26