Submission #953141

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
953141	2024-03-25 14:39:39	Pacybwoah	양말 찾기 (KPI13_socks)	C++17	0 / 1	1 ms	344 KiB

socks

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#include<cstdio>
using namespace std;
inline char readchar(){
  const int S = 1<<16;
  static char buf[S], *p = buf, *q = buf;
  return p == q and (q = (p = buf) + fread(buf, 1, S, stdin)) == buf ? EOF : *p++;
}
inline int R(int &a){
  static char c;
  while(((c = readchar()) < '0' or c > '9') and c != '-' and c != EOF);
  if(c == '-'){
    a = 0;
    while((c = readchar()) >= '0' and c <= '9') a *= 10, a -= c ^ '0';
  } else {
    a = c ^ '0';
    while((c = readchar()) >= '0' and c <= '9') a *= 10, a += c ^ '0';
  }
}
int arr[32][2];
int main(){
    int n;
    R(n);
    int x,i;
    for(i=0;i<32;i++) arr[i][0]=0,arr[i][1]=0;
    int j;
    for(i=0;i<n;i++){
        R(x);
        x+=1000000001;
        for(j=31;j>=0;j--){
            if(x&(1<<j)) arr[j][1]^=x;
 
 
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Compilation message (stderr)

socks.cpp: In function 'int R(int&)':
socks.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type]
   18 | }
      | ^

• Subtask 1: 0 / 1