#ifdef MINHDEPTRAI
#include "/Library/Developer/CommandLineTools/usr/include/c++/v1/bits/stdc++.h"
#include <chrono>
#define __gcd(a, b) gcd(a, b)
using namespace std ::chrono;
#else
#include <bits/stdc++.h>
#include <xylophone.h>
#endif
using namespace std;
#define foru(i, a, b) for(int i = a; i <= b; ++i)
#define ford(i, a, b) for(int i = a; i >= b; --i)
#define IOS ios_base:: sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mp(a, b) make_pair(a, b)
#define endl '\n'
#define int long long
const int maxN = 2e6 + 5;
const int mod = 998244353;
const long long inf = 1e17;
vector<int> number, triple;
int dau[maxN], ans[maxN];
void solve(int N){
int i = 1, j = 2;
while(j <= N){
number.push_back(query(i, j));
i++;
j++;
}
int k = 3;
i = 1;
while(k <= N){
triple.push_back(query(i, k));
i++;
k++;
}
dau[0] = 1;
for(int j = 0; j < triple.size(); j++){
if(triple[j] == number[j + 1] + number[j]){
dau[j + 1] = dau[j];
}
else{
dau[j + 1] = -dau[j];
}
}
bool check = true;
int cnt = 0;
while(check){
ans[0] = ++cnt;
if(cnt > N) break;
for(int j = 1; j <= N - 1; j++){
ans[j] = ans[j - 1] + number[j - 1] * (-dau[j - 1]);
}
foru(j, 0, N - 1){
if(ans[j] < 1 || ans[j] > N){
break;
}
if(j == N - 1) check = false;
}
}
cnt = 0;
while(check){
ans[0] = ++cnt;
if(cnt > N) break;
for(int j = 1; j <= N - 1; j++){
ans[j] = ans[j - 1] + number[j - 1] * dau[j - 1];
}
foru(j, 0, N - 1){
if(ans[j] < 1 || ans[j] > N){
break;
}
if(j == N - 1) check = false;
}
}
foru(j, 0, N - 1) answer(j + 1, ans[j]);
}
signed main(){
// freopen("input.txt", "r", stdin);
// freopen("output1.txt", "w", stdout);
// input
IOS
int n;
cin >> n;
solve(n);
}
Compilation message
xylophone.cpp: In function 'void solve(long long int)':
xylophone.cpp:46:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | for(int j = 0; j < triple.size(); j++){
| ~~^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccAf9z24.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cchVxlS6.o:xylophone.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccAf9z24.o: in function `main':
grader.cpp:(.text.startup+0x30): undefined reference to `solve(int)'
collect2: error: ld returned 1 exit status
