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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#475244 | #8830. Breaking Bad | ucup-team159 | WA | 0ms | 3744kb | C++23 | 7.7kb | 2024-07-13 13:32:42 | 2024-07-13 13:32:43 |
Judging History
answer
#line 1 "B.cpp"
// #pragma GCC target("avx2,avx512f,avx512vl,avx512bw,avx512dq,avx512cd,avx512vbmi,avx512vbmi2,avx512vpopcntdq,avx512bitalg,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("Ofast")
#line 2 "/home/sigma/comp/library/template.hpp"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using uint = unsigned int;
using ull = unsigned long long;
#define rep(i,n) for(int i=0;i<int(n);i++)
#define rep1(i,n) for(int i=1;i<=int(n);i++)
#define per(i,n) for(int i=int(n)-1;i>=0;i--)
#define per1(i,n) for(int i=int(n);i>0;i--)
#define all(c) c.begin(),c.end()
#define si(x) int(x.size())
#define pb push_back
#define eb emplace_back
#define fs first
#define sc second
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
template<class T,class U> bool chmax(T& x, U y){
if(x<y){ x=y; return true; }
return false;
}
template<class T,class U> bool chmin(T& x, U y){
if(y<x){ x=y; return true; }
return false;
}
template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());}
template<class T> int lwb(const V<T>& v, const T& a){return lower_bound(all(v),a) - v.begin();}
template<class T>
V<T> Vec(size_t a) {
return V<T>(a);
}
template<class T, class... Ts>
auto Vec(size_t a, Ts... ts) {
return V<decltype(Vec<T>(ts...))>(a, Vec<T>(ts...));
}
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){
return o<<"("<<p.fs<<","<<p.sc<<")";
}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){
o<<"{";
for(const T& v:vc) o<<v<<",";
o<<"}";
return o;
}
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); }
#ifdef LOCAL
#define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl
void dmpr(ostream& os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
os<<t<<" ~ ";
dmpr(os,args...);
}
#define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__)
#define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {"; \
for(auto v: x) cerr << v << ","; cerr << "}" << endl;
#else
#define show(x) void(0)
#define dump(x) void(0)
#define shows(...) void(0)
#endif
template<class D> D divFloor(D a, D b){
return a / b - (((a ^ b) < 0 && a % b != 0) ? 1 : 0);
}
template<class D> D divCeil(D a, D b) {
return a / b + (((a ^ b) > 0 && a % b != 0) ? 1 : 0);
}
/*
x 0 1 2 3 4 5 6 7 8 9
bsr(x) -1 0 1 1 2 2 2 2 3 3
最上位bit
*/
int bsr(int x){
return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(uint x){
return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(ll x){
return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}
int bsr(ull x){
return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}
/*
x 0 1 2 3 4 5 6 7 8 9
bsl(x) -1 0 1 0 2 0 1 0 3 0
最下位bit
*/
int bsl(int x){
if(x==0) return -1;
return __builtin_ctz(x);
}
int bsl(uint x){
if(x==0) return -1;
return __builtin_ctz(x);
}
int bsl(ll x){
if(x==0) return -1;
return __builtin_ctzll(x);
}
int bsl(ull x){
if(x==0) return -1;
return __builtin_ctzll(x);
}
#line 5 "B.cpp"
template<unsigned int mod_>
struct ModInt{
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
constexpr static uint mod = mod_;
uint v;
ModInt():v(0){}
ModInt(ll _v):v(normS(_v%mod+mod)){}
explicit operator bool() const {return v!=0;}
static uint normS(const uint &x){return (x<mod)?x:x-mod;} // [0 , 2*mod-1] -> [0 , mod-1]
static ModInt make(const uint &x){ModInt m; m.v=x; return m;}
ModInt operator+(const ModInt& b) const { return make(normS(v+b.v));}
ModInt operator-(const ModInt& b) const { return make(normS(v+mod-b.v));}
ModInt operator-() const { return make(normS(mod-v)); }
ModInt operator*(const ModInt& b) const { return make((ull)v*b.v%mod);}
ModInt operator/(const ModInt& b) const { return *this*b.inv();}
ModInt& operator+=(const ModInt& b){ return *this=*this+b;}
ModInt& operator-=(const ModInt& b){ return *this=*this-b;}
ModInt& operator*=(const ModInt& b){ return *this=*this*b;}
ModInt& operator/=(const ModInt& b){ return *this=*this/b;}
ModInt& operator++(int){ return *this=*this+1;}
ModInt& operator--(int){ return *this=*this-1;}
template<class T> friend ModInt operator+(T a, const ModInt& b){ return (ModInt(a) += b);}
template<class T> friend ModInt operator-(T a, const ModInt& b){ return (ModInt(a) -= b);}
template<class T> friend ModInt operator*(T a, const ModInt& b){ return (ModInt(a) *= b);}
template<class T> friend ModInt operator/(T a, const ModInt& b){ return (ModInt(a) /= b);}
ModInt pow(ll p) const {
if(p<0) return inv().pow(-p);
ModInt a = 1;
ModInt x = *this;
while(p){
if(p&1) a *= x;
x *= x;
p >>= 1;
}
return a;
}
ModInt inv() const { // should be prime
return pow(mod-2);
}
// ll extgcd(ll a,ll b,ll &x,ll &y) const{
// ll p[]={a,1,0},q[]={b,0,1};
// while(*q){
// ll t=*p/ *q;
// rep(i,3) swap(p[i]-=t*q[i],q[i]);
// }
// if(p[0]<0) rep(i,3) p[i]=-p[i];
// x=p[1],y=p[2];
// return p[0];
// }
// ModInt inv() const {
// ll x,y;
// extgcd(v,mod,x,y);
// return make(normS(x+mod));
// }
bool operator==(const ModInt& b) const { return v==b.v;}
bool operator!=(const ModInt& b) const { return v!=b.v;}
bool operator<(const ModInt& b) const { return v<b.v;}
friend istream& operator>>(istream &o,ModInt& x){
ll tmp;
o>>tmp;
x=ModInt(tmp);
return o;
}
friend ostream& operator<<(ostream &o,const ModInt& x){ return o<<x.v;}
// friend ostream& operator<<(ostream &o,const ModInt& x){
// for(int b=1;b<=100;b++){
// for(int a=-100;a<=100;a++){
// if(ModInt(a)/b == x){
// return o << a << "/" << b;
// }
// }
// }
// return o<<x.v;
// }
};
using mint = ModInt<5>;
int main(){
cin.tie(0);
ios::sync_with_stdio(false); //DON'T USE scanf/printf/puts !!
cout << fixed << setprecision(20);
int N; cin >> N;
VV<mint> A(N,V<mint>(N)); rep(i,N) rep(j,N) cin >> A[i][j];
int r = 0;
while(r < N && r < 8){
for(int i=r+1;i<N;i++) for(int j=r+1;j<N;j++){
if(A[r][r] + A[i][j] != A[r][j] + A[i][r]){
rep(k,N) swap(A[r+1][k],A[i][k]);
rep(k,N) swap(A[k][r+1],A[k][j]);
// r,r+1
r += 2;
goto found;
}
}
break;
found:{}
}
if(r == 8){
cout << "YYYYY" << endl; return 0;
}
// [r,N) * [r,N) -> 0
mint off = 0;
if(r != N){
for(int i=r;i<N;i++){
mint x = A[i][r];
off += x;
rep(j,N) A[i][j] -= x;
}
for(int i=r;i<N;i++){
mint x = A[r][i];
off += x;
rep(j,N) A[j][i] -= x;
}
}
const int mask = (1<<5)-1;
auto rot = [&](int b,int i){
b <<= i;
return (b | (b>>5)) & mask;
};
// [0,r) * [r,N)
V<int> rs(1<<r);
{
rs[0] = 1;
for(int j=r;j<N;j++){
rep(i,r){
rep(s,1<<r) if(!(s&1<<i)){
rs[s|1<<i] |= rot(rs[s],A[i][j].v);
}
}
}
}
// [r,N) * [0,r)
V<int> ds(1<<r);
{
ds[0] = 1;
for(int j=r;j<N;j++){
rep(i,r){
rep(s,1<<r) if(!(s&1<<i)){
ds[s|1<<i] |= rot(ds[s], A[j][i].v);
}
}
}
}
// [0,r) * [0,r)
VV<int> dp(1<<r,V<int>(1<<r)); dp[0][0] = 1;
rep(i,r) rep(j,r){
rep(si,1<<r) rep(sj,1<<r){
if(si&1<<i) continue;
if(sj&1<<j) continue;
dp[si|1<<i][sj|1<<j] |= rot(dp[si][sj],A[i][j].v);
}
}
show(dp);
const int mask2 = (1<<r)-1;
int ans = 0;
rep(si,1<<r) rep(sj,1<<r){
int a = dp[si][sj], b = rs[si^mask2], c = ds[sj^mask2];
rep(ai,5) if(a&1<<ai){
rep(bi,5) if(b&1<<bi){
rep(ci,5) if(c&1<<ci){
ans |= 1<<((ai+bi+ci)%5);
}
}
}
}
ans = rot(ans,off.v);
rep(i,5) cout << ((ans&1<<i) ? 'Y' : 'N');
cout << endl;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3744kb
input:
2 0 4 4 0
output:
YNNYN
result:
ok "YNNYN"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
2 1 1 1 1
output:
NNYNN
result:
ok "NNYNN"
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3744kb
input:
4 0 0 1 0 0 1 0 1 0 0 0 0 1 1 0 0
output:
YYYYY
result:
wrong answer 1st words differ - expected: 'YYYYN', found: 'YYYYY'