Submission #1290475

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290475		dirtblock	Xylophone (JOI18_xylophone)	C++20	Compilation error	0 ms	0 KiB

xylophone

#include "xylophone.h"

void solve(int n) {
	vector<int> a(n+1,0);
	a[1]=query(1,2);
	for(int i=2; i<=n; i++) {
		int x1=query(i,i+1);
		int x2=query(i-1,i+1);
		a[i]=a[i-1]+a*((abs(x-x2)==abs(a[i-1]-a[i-2]))==a[i-1]>a[i-2]? 1:-1);
	}
	int mn=0,mx=0;
	for(int i=1; i<=n; i++) {
		if(a[i]<a[mn]) mn=i;
		if(a[i]>a[mx]) mx=i;
	}
	bool ok=(mn<mx);
	for(int i=1; i<=n; i++) {
		answer(i,(ok? a[i-1]+1-mn:n-a[i-1]+mn));
	}

}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:4:9: error: 'vector' was not declared in this scope
    4 |         vector<int> a(n+1,0);
      |         ^~~~~~
xylophone.cpp:4:16: error: expected primary-expression before 'int'
    4 |         vector<int> a(n+1,0);
      |                ^~~
xylophone.cpp:5:9: error: 'a' was not declared in this scope
    5 |         a[1]=query(1,2);
      |         ^
xylophone.cpp:9:37: error: 'x' was not declared in this scope; did you mean 'x2'?
    9 |                 a[i]=a[i-1]+a*((abs(x-x2)==abs(a[i-1]-a[i-2]))==a[i-1]>a[i-2]? 1:-1);
      |                                     ^
      |                                     x2
xylophone.cpp:9:33: error: 'abs' was not declared in this scope
    9 |                 a[i]=a[i-1]+a*((abs(x-x2)==abs(a[i-1]-a[i-2]))==a[i-1]>a[i-2]? 1:-1);
      |                                 ^~~