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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#652095 | #9432. Permutation | UESTC_Snow_Halation# | WA | 243ms | 3696kb | C++14 | 6.2kb | 2024-10-18 18:19:49 | 2024-10-18 18:19:50 |
Judging History
answer
#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdio>
#include <cmath>
#define FOR() int le=e[u].size();for(int i=0;i<le;i++)
#define QWQ cout<<"QwQ\n";
#define ll long long
#include <vector>
#include <queue>
#include <map>
#define poly vector<int>
using namespace std;
const int N=5010;
const int qwq=303030;
const int inf=0x3f3f3f3f;
inline int read() {
int sum = 0, ff = 1; char c = getchar();
while(c<'0' || c>'9') { if(c=='-') ff = -1; c = getchar(); }
while(c>='0'&&c<='9') { sum = sum * 10 + c - '0'; c = getchar(); }
return sum * ff;
}
int n;
poly zong,ling;
int id[N];
int ans[N];
int tim;
int a[N];
int yi1[N],yi2[N],cnt;
int ask() {
tim++;
if(tim>6660) { while(tim++) { tim--; } }
cout<<"0 ";
for(int i=1;i<=n;i++) cout<<a[i]<<" \n"[i==n];
fflush(stdout);
return read();
}
void outing() {
cout<<"1 ";
for(int i=1;i<=n;i++) cout<<ans[i]<<" ";
fflush(stdout);
}
inline void fuzhi(int cl) { for(int i=1;i<=n;i++) a[i] = cl; }
void solve(int l,int r,poly now,int cl) {
// cout<<"l = "<<l<<" r = "<<r<<" cl = "<<cl<<" : ";
// for(int v : now) cout<<v<<" ";
// cout<<endl;
if(l==r) { ans[ id[l] ] = now[0]; return ; }
if(r-l==1) {
fuzhi(cl); a[ id[l] ] = now[0];
int wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[0];
ans[ id[l+1] ] = now[1];
}
else {
ans[ id[l] ] = now[1];
ans[ id[l+1] ] = now[0];
}
return ;
}
poly xia = ling;
if(r-l==2 && cl) {
fuzhi(cl); a[ id[l] ] = now[0];
int wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[0];
xia.push_back(now[1]);
xia.push_back(now[2]);
solve(l+1,r,xia,cl);
return ;
}
a[ id[l] ] = now[1];
wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[1];
xia.push_back(now[0]);
xia.push_back(now[2]);
solve(l+1,r,xia,cl);
return ;
}
ans[ id[l] ] = now[2];
xia.push_back(now[0]);
xia.push_back(now[1]);
solve(l+1,r,xia,cl);
return ;
}
if(r-l==3 && cl) {
fuzhi(cl); a[ id[l] ] = now[0];
int wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[0];
xia.push_back(now[1]);
xia.push_back(now[2]);
xia.push_back(now[3]);
solve(l+1,r,xia,cl);
return ;
}
a[ id[l] ] = now[1];
wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[1];
xia.push_back(now[0]);
xia.push_back(now[2]);
xia.push_back(now[3]);
solve(l+1,r,xia,cl);
return ;
}
a[ id[l] ] = now[2];
wo = ask()-1;
if(wo) {
ans[ id[l] ] = now[2];
xia.push_back(now[0]);
xia.push_back(now[1]);
xia.push_back(now[3]);
solve(l+1,r,xia,cl);
return ;
}
ans[ id[l] ] = now[3];
xia.push_back(now[0]);
xia.push_back(now[1]);
xia.push_back(now[2]);
solve(l+1,r,xia,cl);
return ;
}
cnt = 0;
poly L = ling;
poly R = ling;
int mid = l+r >> 1;
for(int i=0;i+1<now.size();i+=2) {
int u = now[i], v = now[i+1];
fuzhi(cl);
for(int j=l;j<=mid;j++) a[ id[j] ] = u;
for(int j=mid+1;j<=r;j++) a[ id[j] ] = v;
int wo = ask(); if(cl) wo--;
if(wo==1) {
yi1[++cnt] = u;
yi2[cnt] = v;
}
else if(wo==0) {
L.push_back(v);
R.push_back(u);
}
else {
L.push_back(u);
R.push_back(v);
}
}
int tian = cl;
if(!tian) tian = R[0];
for(int i=1;i+1<=cnt;i+=2) {
int A = yi1[i], B = yi2[i], C = yi1[i+1], D = yi2[i+1];
fuzhi(cl);
for(int j=l;j<=mid;j++) a[ id[j] ] = A;
for(int j=mid+1;j<=r;j++) a[ id[j] ] = D;
int wo = ask(); if(cl) wo--;
if(wo==0) {
R.push_back(A);
R.push_back(B);
L.push_back(C);
L.push_back(D);
}
if(wo==2) {
R.push_back(C);
R.push_back(D);
L.push_back(A);
L.push_back(B);
}
if(wo==1) {
for(int j=l;j<=mid;j++) a[ id[j] ] = tian;
int wo = ask(); if(cl) wo--;
if(wo) {
R.push_back(A);
R.push_back(B);
R.push_back(C);
R.push_back(D);
}
else {
L.push_back(A);
L.push_back(B);
L.push_back(C);
L.push_back(D);
}
}
}
if(cnt&1) {
int i = cnt;
fuzhi(tian);
for(int j=mid+1;j<=r;j++) a[ id[j] ] = yi2[i];
int wo = ask(); if(cl) wo--;
if(wo) {
R.push_back(yi1[i]);
R.push_back(yi2[i]);
}
else {
L.push_back(yi1[i]);
L.push_back(yi2[i]);
}
}
if(L.size()!=(mid-l+1)) L.push_back(now.back());
if(R.size()!=(r-mid)) R.push_back(now.back());
solve(l,mid,L,R[0]);
solve(mid+1,r,R,L[0]);
}
int main() {
srand(time(NULL));
n = read();
if(n<=70) {
int yi = 0;
for(int i=1;i<=n;i++) {
fuzhi(2); a[i] = 1;
int wo = ask();
if(wo==2) {yi = i; break;}
}
ans[yi] = 1;
for(int i=1;i<=n;i++) {
if(i==yi) continue;
fuzhi(1);
for(int j=2;j<=n;j++) {
a[i] = j;
int wo = ask();
if(wo==2) {
ans[i] = j;
break;
}
}
}
outing();
return 0;
}
for(int i=1;i<=n;i++) id[i] = i, zong.push_back(i);
random_shuffle(id+1,id+n+1);
solve(1,n,zong,0);
outing();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3572kb
input:
5 1 1 0 2 1 2 1 1 2 2 1 1 1 2
output:
0 1 2 2 2 2 0 2 1 2 2 2 0 2 2 1 2 2 0 2 2 2 1 2 0 2 1 1 1 1 0 3 1 1 1 1 0 1 2 1 1 1 0 1 3 1 1 1 0 1 4 1 1 1 0 1 1 2 1 1 0 1 1 1 1 2 0 1 1 1 1 3 0 1 1 1 1 4 0 1 1 1 1 5 1 3 4 2 1 5
result:
ok Accepted
Test #2:
score: 0
Accepted
time: 243ms
memory: 3640kb
input:
1000 2 0 1 1 1 1 1 1 1 0 1 0 1 2 2 2 2 1 0 2 1 2 1 1 1 0 0 0 1 2 1 2 2 2 0 1 2 0 2 1 1 1 1 2 1 0 1 1 0 0 0 0 1 2 2 1 2 1 2 1 1 0 1 1 1 1 1 1 1 0 2 1 1 1 1 1 2 2 1 2 0 1 1 0 2 1 1 0 1 0 2 1 1 1 1 1 0 2 1 1 1 1 0 0 1 0 1 2 1 1 1 0 0 1 1 1 0 2 1 1 1 0 1 2 0 1 1 2 1 2 2 1 1 1 1 1 1 0 1 0 0 1 2 1 1 1 0 1...
output:
0 1 1 1 2 1 1 2 2 2 2 2 1 2 1 2 1 1 1 1 2 1 2 2 2 2 1 2 2 2 2 1 1 1 2 2 1 2 2 1 2 1 2 2 1 2 2 1 1 1 1 2 2 2 1 2 2 1 1 2 2 2 2 1 2 2 2 1 1 1 1 1 2 1 2 2 2 2 1 1 1 1 2 2 2 1 1 1 2 2 2 2 2 1 1 2 1 2 2 2 2 1 1 2 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 2 1 1 1 1 2 2 1 2 2 1 2 1 2 1 1 1 2 2 2 ...
result:
ok Accepted
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 3696kb
input:
1 1
output:
0 1 1 0
result:
wrong answer Integer element [index=1] equals to 0, violates the range [1, 1]