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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#117183 | #6668. Trokuti | Irisu | 0 | 104ms | 12032kb | C++17 | 6.2kb | 2023-06-30 16:16:15 | 2023-06-30 16:16:16 |
Judging History
answer
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=(a),i##end=(b);i<=i##end;++i)
#define per(i,a,b) for(int i=(a),i##end=(b);i>=i##end;--i)
//mt19937 Rnd(19260817);
mt19937 Rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
template<typename T>void chkmax(T&x,const T&y){if(x<y)x=y;}
template<typename T>void chkmin(T&x,const T&y){if(y<x)x=y;}
#define pb push_back
#define ALL(x) (x).begin(),(x).end()
#define mem(x) memset((x),0,sizeof(x))
typedef double db;
typedef long long ll;
typedef vector<int>vi;
typedef pair<int,int>pii;
typedef unsigned u32;
typedef unsigned uint;
typedef unsigned long long u64;
const int n=100;
#ifdef Arraiter
const bool Irisu=1;
#else
const bool Irisu=0;
#endif
bool mp[105][105];int sf[105],fs[105];int use_q=0;
bool ans[105][105];
struct Querys{
int a,b,c,v;
};
vector<Querys>Q;
int ask(int a,int b,int c){
int v;
a=sf[a],b=sf[b],c=sf[c];
if(Irisu){
use_q++;
v=mp[a][b]+mp[b][c]+mp[a][c];
Q.pb({fs[a],fs[b],fs[c],v});
return v;
}
printf("? %d %d %d\n",a,b,c);
fflush(stdout);
scanf("%d",&v);
Q.pb({fs[a],fs[b],fs[c],v});
return v;
}
void answer(){
if(Irisu){
bool asf=1;
rep(i,1,n)rep(j,1,n)asf&=ans[fs[i]][fs[j]]==mp[i][j];
if(asf){
puts("AC");
printf("count : %d\n",use_q);
}else{
puts("WA");
}
return;
}
puts("!");
rep(i,1,n){
rep(j,1,n)putchar(ans[fs[i]][fs[j]]|48);
puts("");
}
}
const int maxn=5000;
const int m=4950;
int tid[105][105];pii dit[maxn];
struct bit{
u64 seq[78];
void reset(){
mem(seq);
}
void set(int pos){
seq[pos>>6]|=1ull<<(pos&63);
}
void flip(int pos){
seq[pos>>6]^=1ull<<(pos&63);
}
bool operator[](int pos)const{
return seq[pos>>6]>>(pos&63)&1;
}
void operator^=(const bit&o){
rep(i,0,77)seq[i]^=o.seq[i];
}
void doit_pre(const bit&o,int pos){
rep(i,0,pos>>6)seq[i]^=o.seq[i];
}
void doit_suf(const bit&o,int pos){
rep(i,pos>>6,77)seq[i]^=o.seq[i];
}
};
//typedef bitset<maxn>bit;
int rk;
bit B[maxn];bool bb[maxn];
bool ins(bit&x){
per(i,m,1)if(x[i]){
if(bb[i]){
// x^=B[i];
x.doit_pre(B[i],i);
continue;
}
rk++;
bb[i]=1;
B[i]=x;
return 1;
}
return 0;
}
void solve(){
rep(i,1,n)sf[i]=i;
shuffle(sf+1,sf+n+1,Rnd);
rep(i,1,n)fs[sf[i]]=i;
if(Irisu){
rep(i,1,n)rep(j,i+1,n)mp[i][j]=mp[j][i]=i==1;
// rep(i,1,n)rep(j,i+1,n)mp[i][j]=mp[j][i]=Rnd()%100>100;
}
{
int c=0;
rep(i,1,n)rep(j,1,i-1)tid[i][j]=tid[j][i]=++c,dit[c]={i,j};
}
static int buk[maxn];
memset(buk,-1,sizeof buk);
bit w;
auto upd=[&](int i,int v){
if(buk[i]==-1){
buk[i]=v;
w.reset(),w.set(i),ins(w);
}
};
int eq=-1;
rep(s,3,n){
vector<pii>lef;
rep(a,1,s-1)rep(b,a+1,s-1){
lef.pb({a,b});
}
shuffle(ALL(lef),Rnd);
for(auto[a,b]:lef){
w.reset();
w.set(tid[a][b]),w.set(tid[a][s]),w.set(tid[b][s]);
if(!ins(w))continue;
int v=ask(a,b,s);
if(eq==-1)eq=v;
else if(eq!=v)eq=-2;
if(v==0||v==3){
upd(tid[a][b],v>0);
upd(tid[a][s],v>0);
upd(tid[s][b],v>0);
}else{
}
if(rk==s*(s-1)/2){
// printf("#%d\n",s);
break;
}
}
if(s==n||((s>10||rk==s*(s-1)/2)&&(eq==-2||eq==1||eq==2))){
static bit a[20000];
int tot=0;
int L=s*(s-1)/2;
for(auto[x,y,z,v]:Q){
int i=tid[x][y],j=tid[x][z],k=tid[y][z];
if(v>0&&v<3){
if(v==1){
if(buk[i]==1||buk[j]==1||buk[k]==1){
if(buk[i]==-1)buk[i]=0;
if(buk[j]==-1)buk[j]=0;
if(buk[k]==-1)buk[k]=0;
}
}
if(v==2){
if(buk[i]==0||buk[j]==0||buk[k]==0){
if(buk[i]==-1)buk[i]=1;
if(buk[j]==-1)buk[j]=1;
if(buk[k]==-1)buk[k]=1;
}
}
if(buk[i]!=-1&&buk[j]!=-1&&buk[k]!=-1)continue;
tot++;
a[tot].set(i);
a[tot].set(j);
a[tot].set(k);
if(v&1)a[tot].set(L+1);
}
}
rep(i,1,L)if(buk[i]!=-1){
tot++;
a[tot].set(i);
if(buk[i])a[tot].set(L+1);
}
rep(i,1,L){
if(!a[i][i]){
rep(j,i+1,tot)if(a[j][i]){
swap(a[i],a[j]);break;
}
}
rep(j,i+1,tot)if(a[j][i]){
a[j].doit_suf(a[i],i);
// a[j]^=a[i];
}
}
per(i,L,1){
assert(a[i][i]);
buk[i]=a[i][L+1];
if(a[i][L+1]){
rep(j,1,i-1)if(a[j][i]){
a[j].flip(L+1);
}
}
}
// printf("!%d, %d\n",rk,use_q);
rep(t,s+1,n){
vector<pii>o;
int lst=-1;
rep(i,1,t-1){
if(lst==-1){
lst=i;continue;
}
int v=ask(lst,i,t);
if(v==0||v==3){
buk[tid[lst][i]]=buk[tid[i][t]]=buk[tid[lst][t]]=v>0;
lst=-1;
}else if(v%2==buk[tid[lst][i]]){
buk[tid[i][t]]=buk[tid[lst][t]]=!(v%2);
lst=-1;
}else{
o.pb({lst,i});
}
}
if(lst!=-1){
rep(i,1,t-1)if(i!=lst){
bool can=1;
for(auto[a,b]:o){
if(lst==a)can&=i!=b;
if(lst==b)can&=i!=a;
}
if(!can)continue;
assert(buk[tid[i][t]]!=-1);
int v=ask(lst,i,t);
buk[tid[lst][t]]=v-buk[tid[lst][i]]-buk[tid[i][t]];
lst=-1;
break;
}
assert(lst==-1);
}
reverse(ALL(o));
for(auto[a,b]:o)buk[tid[b][t]]=!buk[tid[a][t]];
}
break;
}
}
if(eq==0){
rep(i,1,m)buk[i]=0;
}else if(eq==3){
rep(i,1,m)buk[i]=1;
}
rep(i,1,n)rep(j,i+1,n)ans[i][j]=ans[j][i]=buk[tid[i][j]];
answer();
}
signed main(){
// int T;cin>>T;while(T--)solve();
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Dangerous Syscalls
Test #1:
score: 86.4065
Acceptable Answer
time: 104ms
memory: 12032kb
input:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
? 37 78 48 ? 78 48 55 ? 37 48 55 ? 37 48 91 ? 48 55 91 ? 37 78 91 ? 37 55 96 ? 37 91 96 ? 37 48 96 ? 37 78 96 ? 48 91 98 ? 48 55 98 ? 37 91 98 ? 37 78 98 ? 91 96 98 ? 91 98 97 ? 37 96 97 ? 37 48 97 ? 78 98 97 ? 37 55 97 ? 91 97 34 ? 37 97 34 ? 48 96 34 ? 78 48 34 ? 55 91 34 ? 98 97 34 ? 55 98 44 ? 9...
result:
points 0.86406451610 points 0.86406451610 correct 3701 queries
Test #2:
score: 86.9935
Acceptable Answer
time: 76ms
memory: 10596kb
input:
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...
output:
? 38 9 26 ? 9 26 67 ? 38 26 67 ? 26 67 85 ? 38 67 85 ? 9 67 85 ? 9 67 53 ? 9 26 53 ? 26 85 53 ? 38 67 53 ? 67 53 51 ? 38 26 51 ? 38 9 51 ? 26 85 51 ? 38 85 52 ? 38 9 52 ? 26 85 52 ? 9 53 52 ? 67 53 52 ? 85 51 52 ? 67 52 93 ? 9 67 93 ? 9 53 93 ? 38 9 93 ? 9 85 93 ? 38 51 93 ? 26 52 93 ? 9 52 18 ? 26 ...
result:
points 0.86993548390 points 0.86993548390 correct 3688 queries
Test #3:
score: 100
Accepted
time: 93ms
memory: 9948kb
input:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
? 62 75 24 ? 75 24 44 ? 62 24 44 ? 24 44 51 ? 75 24 51 ? 62 44 51 ? 75 51 47 ? 24 44 47 ? 62 24 47 ? 24 44 32 ? 62 24 32 ? 75 44 32 ? 62 47 32 ? 75 51 32 ? 47 32 40 ? 62 32 40 ? 44 47 40 ? 24 32 40 ? 24 51 40 ? 75 47 40 ? 51 47 67 ? 44 47 67 ? 75 24 67 ? 62 32 67 ? 24 40 67 ? 47 67 80 ? 51 40 80 ? 7...
result:
points 1.0 points 1.0 correct 3315 queries
Test #4:
score: 100
Accepted
time: 61ms
memory: 10876kb
input:
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...
output:
? 63 33 89 ? 63 33 79 ? 63 89 79 ? 63 89 66 ? 33 89 66 ? 63 79 66 ? 33 89 11 ? 63 89 11 ? 89 66 11 ? 33 79 11 ? 66 11 2 ? 33 79 2 ? 63 11 2 ? 89 66 2 ? 79 66 24 ? 89 11 24 ? 63 89 24 ? 63 33 24 ? 79 2 24 ? 89 24 20 ? 66 24 20 ? 79 11 20 ? 63 89 20 ? 33 2 20 ? 63 2 54 ? 11 20 54 ? 89 24 54 ? 33 66 54...
result:
points 1.0 points 1.0 correct 3302 queries
Test #5:
score: 100
Accepted
time: 18ms
memory: 6204kb
input:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
? 39 31 86 ? 31 86 22 ? 39 86 22 ? 31 86 73 ? 39 22 73 ? 39 86 42 ? 31 86 42 ? 39 73 42 ? 22 73 42 ? 73 42 68 ? 22 73 68 ? 39 22 68 ? 39 31 68 ? 39 86 68 ? 31 42 83 ? 73 42 83 ? 39 68 83 ? 86 22 83 ? 31 22 56 ? 39 22 56 ? 68 83 56 ? 73 68 56 ? 39 86 56 ? 39 42 56 ? 73 42 10 ? 83 56 10 ? 22 42 10 ? 8...
result:
points 1.0 points 1.0 correct 2697 queries
Test #6:
score: 0
Dangerous Syscalls
input:
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...
output:
? 21 32 68 ? 21 68 34 ? 32 68 34 ? 21 32 74 ? 32 34 74 ? 68 34 74 ? 21 74 67 ? 21 68 67 ? 32 34 67 ? 68 34 27 ? 21 32 27 ? 68 67 27 ? 34 74 27 ? 68 74 35 ? 34 74 35 ? 67 27 35 ? 21 74 35 ? 32 34 35 ? 68 27 30 ? 67 35 30 ? 32 35 30 ? 21 74 30 ? 68 34 30 ? 21 30 40 ? 34 30 40 ? 21 32 40 ? 74 30 40 ? 2...