Submission #501784

#	Time	Username	Problem	Language	Result	Execution time	Memory
501784		lovrot	Xylophone (JOI18_xylophone)	C++11	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
 
using namespace std;
 
int rj[10000];
 
int main (){
  	int n;
  	cin >> n;
  
	int p;
	for (int i=n;i>0;i--){
		cout<<"query("<<1<<", "<<i<<")"<<endl;
		int odg;
		cin>>odg;
		if (odg<n-1){
			rj[i+1]=n;
			p=i+1;
			break;
		}
	}
	if (n!=p){
		cout<<"query("<<p<<", "<<p+1<<")"<<endl;
		int odg;
		cin>>odg;
		rj[p+1]=n-odg;
	}
	if (1!=p){
		cout<<"query("<<p<<", "<<p-1<<")"<<endl;
		int odg;
		cin>>odg;
		rj[p-1]=n-odg;
	}
	for (int i=p+2;i<n+1;i++){
		cout<<"query("<<i-1<<", "<<i<<")"<<endl;
		int odg1;
		cin>>odg1;
		cout<<"query("<<i-2<<", "<<i<<")"<<endl;
		int odg2;
		cin>>odg2;
		if  (rj[i-1]>rj[i-2]){
			if (odg2==rj[i-1]-rj[i-2]+odg1){
				rj[i]=rj[i-1]+odg1;
			}
			else {
				rj[i]=rj[i-1]-odg1;
			}
		}
		else {
			if (odg2==rj[i-2]-rj[i-1]+odg1){
				rj[i]=rj[i-1]-odg1;
			}
			else {
				rj[i]=rj[i-1]+odg1;
			}
		}
	}
	for (int i=p-2;i>0;i--){
		cout<<"query("<<i+1<<", "<<i<<")"<<endl;
		int odg1;
		cin>>odg1;
		cout<<"query("<<i+2<<", "<<i<<")"<<endl;
		int odg2;
		cin>>odg2;
		if  (rj[i+1]>rj[i+2]){
			if (odg2==rj[i+1]-rj[i+2]+odg1){
				rj[i]=rj[i+1]+odg1;
			}
			else {
				rj[i]=rj[i+1]-odg1;
			}
		}
		else {
			if (odg2==rj[i+2]-rj[i+1]+odg1){
				rj[i]=rj[i+1]-odg1;
			}
			else {
				rj[i]=rj[i+1]+odg1;
			}
		}
	}
	for (int i=1;i<n+1;i++){
		cout<<rj[i]<<" ";
	}
	return 0; 
}

Compilation message (stderr)

xylophone.cpp: In function 'int main()':
xylophone.cpp:11:6: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
   11 |  int p;
      |      ^
/usr/bin/ld: /tmp/ccFpdT29.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccUmB6Ca.o:xylophone.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccFpdT29.o: in function `main':
grader.cpp:(.text.startup+0x30): undefined reference to `solve(int)'
collect2: error: ld returned 1 exit status