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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#464805 | #5523. Graph Problem With Small $n$ | BalintR | ML | 838ms | 165228kb | C++20 | 4.2kb | 2024-07-06 15:04:02 | 2024-07-06 15:04:03 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#pragma GCC target "avx2"
#pragma GCC optimize "Ofast"
#include <immintrin.h>
typedef __m256i m256;
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef complex<double> cpx;
template <typename T> using minPq = priority_queue<T, vector<T>, greater<T>>;
#define ms(a, x) memset(a, x, sizeof(a))
#define pb push_back
#define fs first
#define sn second
#define ALL(v) begin(v), end(v)
#define SZ(v) ((int) (v).size())
#define lbv(v, x) (lower_bound(ALL(v), x) - (v).begin())
#define ubv(v, x) (upper_bound(ALL(v), x) - (v).begin())
template <typename T> inline void UNIQUE(vector<T> &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);
#define FR(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORR(i, a, b) for(int i = (a); i >= (b); i--)
#define dbg(x) {cerr << #x << ' ' << x << endl;}
#define dbgArr(arr, n) {cerr << #arr; FR(_i, n) cerr << ' ' << (arr)[_i]; cerr << endl;}
template <typename T, typename U>
ostream& operator<<(ostream &os, pair<T, U> p){return os << "(" << p.fs << ", " << p.sn << ")";}
#define vload(ptr) _mm256_loadu_si256((m256*) (ptr))
#define vstore(ptr, v) _mm256_storeu_si256((m256*) (ptr), (v))
#define vand(a, b) _mm256_and_si256(a, b)
#define vor(a, b) _mm256_or_si256(a, b)
#define vxor(a, b) _mm256_xor_si256(a, b)
#define vblendPs(a, b, c) (m256) _mm256_blendv_ps((__m256) (a), (__m256) (b), (__m256) (c))
mt19937 rng(438954192);
const int C24_12 = 2704156;
const int MN = 24;
int n, mask;
int adjMat[MN], iAdjMat[MN];
bool ans[MN][MN];
int mem[2][C24_12][8];
vi byPop[MN+1];
int mp[1<<MN];
void solve(int pop, int oldDp[C24_12][8], int newDp[C24_12][8]){
m256 zeroV = _mm256_setzero_si256();
m256 allOne = _mm256_set1_epi32(-1);
m256 vAdj[MN];
FR(i, MN) vAdj[i] = _mm256_set1_epi32(adjMat[i]);
FR(i1, SZ(byPop[pop])){
int s1 = byPop[pop][i1];
m256 nsv = vxor(_mm256_set1_epi32(s1), allOne);
m256 tmp = vand(vload(oldDp[i1]), nsv);
vstore(oldDp[i1], zeroV);
#define proc(n2){ \
int s2 = s1 | (1 << n2); \
int i2 = mp[s2]; \
m256 oldV = vload(newDp[i2]); \
m256 newV = vor(oldV, vAdj[n2]); \
m256 maskV = _mm256_slli_epi32(tmp, 31-n2); \
vstore(newDp[i2], vblendPs(oldV, newV, maskV)); \
}
proc(0);
proc(1);
proc(2);
proc(3);
proc(4);
proc(5);
proc(6);
proc(7);
proc(8);
proc(9);
proc(10);
proc(11);
proc(12);
proc(13);
proc(14);
proc(15);
proc(16);
proc(17);
proc(18);
proc(19);
proc(20);
proc(21);
proc(22);
proc(23);
}
//memset(oldDp, 0, SZ(byPop[pop])*sizeof(oldDp[0]));
}
void solve(const vi &ord){
ms(adjMat, 0);
FR(i, n) FR(j, n) adjMat[i] |= ((iAdjMat[ord[i]] >> ord[j]) & 1) << j;
bool oldS = 0, newS = 1;
FR(n1, 8) mem[oldS][0][n1] = adjMat[n1];
FR(pop, n-2){
solve(pop, mem[oldS], mem[newS]);
swap(oldS, newS);
}
FR(i, 8) FR(j, n) if(i != j) ans[ord[i]][ord[j]] = (mem[oldS][mp[mask^(1<<i)^(1<<j)]][i] >> j) & 1;
memset(mem[oldS], 0, SZ(byPop[n-2])*sizeof(mem[oldS][0]));
}
void init(){
FR(s, 1<<n){
int pop = __builtin_popcount(s);
mp[s] = SZ(byPop[pop]);
byPop[pop].pb(s);
}
}
int main(){
cin.sync_with_stdio(0); cin.tie(0);
cin >> n;
FR(i, n){
string str; cin >> str;
FR(j, n) iAdjMat[i] |= (str[j]-'0') << j;
}
mask = (1<<n)-1;
init();
vi ord(MN);
iota(ALL(ord), 0);
solve(ord);
if(n > 8) rotate(ord.begin(), ord.begin()+8, ord.begin()+n), solve(ord);
if(n > 16) rotate(ord.begin(), ord.begin()+8, ord.begin()+n), solve(ord);
FR(i, n){
FR(j, n) cout << ans[i][j];
cout << '\n';
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3640kb
input:
4 0110 1010 1101 0010
output:
0001 0001 0000 1100
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 3568kb
input:
6 010001 101000 010100 001010 000101 100010
output:
010001 101000 010100 001010 000101 100010
result:
ok 6 lines
Test #3:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
4 0111 1011 1101 1110
output:
0111 1011 1101 1110
result:
ok 4 lines
Test #4:
score: 0
Accepted
time: 801ms
memory: 164432kb
input:
23 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 000000000...
output:
00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 000000000000...
result:
ok 23 lines
Test #5:
score: 0
Accepted
time: 811ms
memory: 161832kb
input:
23 00010100000000000101000 00000000010000000001000 00000000000001000000001 10000000000000000010000 00000000000000000000000 10000000000000000000000 00000001000000000000000 00000010000000000010000 00000000000001000000000 01000000000000000000000 00000000000000000000000 00000000000000000000000 000000000...
output:
00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 000000000000...
result:
ok 23 lines
Test #6:
score: 0
Accepted
time: 792ms
memory: 162184kb
input:
23 00001000000000000000000 00001000010001000000000 00000000000101000010000 00001000000100000000000 11010000010011000100000 00000000000100000000000 00000000000000000000001 00000000000000000101000 00000000000000000000000 01001000000000101010010 00000000000000000000101 00110100000010001000000 000010000...
output:
00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 000000000000...
result:
ok 23 lines
Test #7:
score: 0
Accepted
time: 805ms
memory: 163800kb
input:
23 01000000000001101001100 10000001101000000000000 00000100000100010000100 00000000000000001011000 00000100001000000000000 00101000000000001000001 00000000000000000000000 01000000000000000000000 01000000000100000010000 00000000000001000000011 01001000000000010000000 00100000100001000100001 000000000...
output:
00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 00000000000000000000000 000000000000...
result:
ok 23 lines
Test #8:
score: 0
Accepted
time: 823ms
memory: 164228kb
input:
23 00000000010001001001010 00100010001101110000001 01000001000100110000000 00000011010001101100100 00000000010000010001000 00000000000000001001000 01010001000000000000001 00110010000000000000010 00000000011000100100000 10011000101000100000000 01000000110010101010000 01100000000000000000000 000000000...
output:
01111111110111110110111 10011111110111110110111 10011111110111110110111 11101111110110110110111 11110111110111110110111 11111011110111111111111 11111101110111110110111 11111110110111110110111 11111111010111110110111 11111111100110100110111 00000000000010000010100 11111111110011110110111 111111111111...
result:
ok 23 lines
Test #9:
score: 0
Accepted
time: 800ms
memory: 163280kb
input:
23 00001000001001000000000 00101100111110100000000 01001000100001011010000 00000000010000010010000 11100001100001000000010 01000010101010100011011 00000100000100100010000 00001000011000000010001 01101100000000011001001 01010001000010011000000 11000101000110001100000 01000010001000000000010 010001000...
output:
00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 00000000000000000000100 000000000000...
result:
ok 23 lines
Test #10:
score: 0
Accepted
time: 799ms
memory: 165228kb
input:
23 00001011110010000000001 00000100000011000000100 00010011010100000000011 00100011011001010100100 10000101000110100000000 01001000001010001000100 10110000000110000010000 10111000001100010100010 10000000000010001000110 10110000001110100110001 00010101010100001000000 00101011011000100100011 110011101...
output:
00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 00000000000000000001000 000000000000...
result:
ok 23 lines
Test #11:
score: 0
Accepted
time: 808ms
memory: 163112kb
input:
23 00100100001000000100001 00101110110000100100001 11000000000101001000100 00000000010000001111010 01000011010001011001010 11000000010100001001011 01001000001010101000100 00001000001010000000000 01000000000001100001011 01011100001101100000000 10000011010010100000010 00100100010000000001000 000000110...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #12:
score: 0
Accepted
time: 813ms
memory: 161528kb
input:
23 00000001011001011100100 00000001010000000010100 00000001010010100010000 00001000100111100000000 00010100011000010111001 00001000100001000010010 00000001111001100011000 11100010111100110001001 00010111010000101100110 11101011100000100100100 10001011000010100000010 00010001000001011101110 001100000...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #13:
score: 0
Accepted
time: 838ms
memory: 160912kb
input:
23 00100100001101000100000 00010111011000100000010 10000010010001111000010 01001011101001000100000 00010000010110000100111 11000000101000011101001 01110001100000010101100 01010010001001010100000 00010110001100010010001 01101000000011000111000 11010101100010010001101 10001000100010001110100 000010000...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #14:
score: 0
Accepted
time: 827ms
memory: 164212kb
input:
23 01001101001011010101100 10001010111100100001110 00000000010101000111100 00000000001010010100010 11000000100110000111000 10000010001000010101000 01000100100010001100101 10000000010001000110110 01001010000001111100000 01100001000001001101001 11010100000011001010111 01101000000000100100110 100110100...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #15:
score: 0
Accepted
time: 818ms
memory: 164340kb
input:
23 01100101000101001000001 10111000100000010110010 11011010011101000010010 01100010001111011011111 01100010011110001111100 10000000011000001011010 00111001001000101100111 10000010110110011000000 01000001001110010100100 00101101000100111100001 00111110100110011011010 10111001111010001010000 000110011...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #16:
score: 0
Accepted
time: 767ms
memory: 164476kb
input:
23 01111001001110001000101 10000000000100111111110 10010101000110100100101 10101000001010010101001 10010010011110101101111 00100000101100011000000 00001000011000010001101 10100000010000000000100 00000100010110001111100 00001011100101010110111 10011110000000010101101 11101100110010010100000 101110001...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #17:
score: 0
Accepted
time: 814ms
memory: 162688kb
input:
23 01010000000100001110001 10000110010001110010100 00011000101111001010110 10101111011100101100111 00110011111111111011000 01010011100001111011011 01011100001111000011101 00011100001110111010010 00101100011101001000011 01011000100000000000010 00111011100001001000111 10111011100000110100001 001010110...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #18:
score: 0
Accepted
time: 831ms
memory: 164316kb
input:
23 00100101011111000101011 00100001000110000111101 11010000011110010110011 00101101110110000101110 00010101111001110101110 10011001111101010011101 00000000110011000000100 11011100110111001110110 00011111000000100110010 10111111000111101010010 10101100000111111010100 11110101011010101010010 111100110...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #19:
score: 0
Accepted
time: 822ms
memory: 163800kb
input:
23 00100001100011011101011 00111011101101101011001 11001101100100001000111 01001010110101101000010 01110011001111000101111 00100011100000111101010 01011100000110101001100 11101100010110110011000 11110100010010000011010 00010001101011011011011 01001000010001001011111 01111011000010101011101 100010111...
output:
01111111111111111111111 10111111111111111111111 11011111111111111111111 11101111111111111111111 11110111111111111111111 11111011111111111111111 11111101111111111111111 11111110111111111111111 11111111011111111111111 11111111101111111111111 11111111110111111111111 11111111111011111111111 111111111111...
result:
ok 23 lines
Test #20:
score: -100
Memory Limit Exceeded
input:
24 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 0000000000000000000000...
output:
000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 000000000000000000000000 ...