Submission #338340

#	Time	Username	Problem	Language	Result	Execution time	Memory
338340		beksultan04	XOR (IZhO12_xor)	C++14	0 / 100	1 ms	364 KiB

xor

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 1e6+11,INF=1e9+7;
int n,q[N];
main(){
    int i,j,x,k=0,pos=0;
    scan2(n,x)
    for (i=1;i<=n;++i){
        scan1(q[i])
    }
    for (i=1;i<=n;++i){
        int xr=0;
        for (j=i;j<=n;++j){
            xr ^= q[j];
            if (xr > x && j-i+1 > k){
                k = j-i+1;
                pos=i;
            }
        }
    }
    cout <<pos<<" "<<k;
}

Compilation message (stderr)

xor.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      |      ^
xor.cpp: In function 'int main()':
xor.cpp:12:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
xor.cpp:23:5: note: in expansion of macro 'scan2'
   23 |     scan2(n,x)
      |     ^~~~~
xor.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
xor.cpp:25:9: note: in expansion of macro 'scan1'
   25 |         scan1(q[i])
      |         ^~~~~

• Subtask 1: 0 / 100