Submission #23139

#	Time	Username	Problem	Language	Result	Execution time	Memory
23139		ainta	Window Xor (KRIII5_WX)	C++14	7 / 7	249 ms	2004 KiB

WX

#include<cstdio>
#include<algorithm>
using namespace std;
int n, K, X[101000], TP[101000];
bool v[101000];
long long T;
int gcd(int a, int b){
    return b?gcd(b,a%b):a;
}
int main(){
    int i, j, c = 1, t1, t2;
    scanf("%d%d%lld",&n,&K,&T);
    for(i=0;i<n;i++)scanf("%d",&X[i]);
    while(T){
        if(T&1){
            for(i=0;i<n;i++)v[i]=false;
            for(i=0;i<n;i++){
                if(v[i])continue;
                t1 = t2 = i;
                int s = 0;
                int TK = (K-1)%(n/gcd(c,n)*2)+1;
                for(j=0;j<TK-1;j++){
                    s^= X[t2];
                    t2 = (t2 + c)%n;
                }
                for(;;){
                    v[t1] = true;
                    s ^= X[t2];
                    TP[t1] = s;
                    s ^= X[t1];
                    t2=(t2+c)%n;
                    t1=(t1+c)%n;
                    if(t1==i)break;
                }
            }
            for(i=0;i<n;i++)X[i] = TP[i];
        }
        c=(c<<1)%n;
        T>>=1;
    }
    for(i=0;i<n;i++)printf("%d ",X[i]);
}

Compilation message (stderr)

WX.cpp: In function 'int main()':
WX.cpp:12:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%lld",&n,&K,&T);
                               ^
WX.cpp:13:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<n;i++)scanf("%d",&X[i]);
                                      ^

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5