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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#117078 | #6668. Trokuti | hos_lyric# | Compile Error | / | / | C++14 | 7.1kb | 2023-06-30 12:50:34 | 2024-05-31 18:41:02 |
Judging History
你现在查看的是最新测评结果
- [2024-05-31 18:41:02]
- 评测
- 测评结果:Compile Error
- 用时:0ms
- 内存:0kb
- [2023-08-10 23:21:45]
- System Update: QOJ starts to keep a history of the judgings of all the submissions.
- [2023-06-30 12:50:34]
- 提交
answer
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using Int = long long;
template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
// [0, 2^32)
unsigned xrand() {
static unsigned x = 314159265, y = 358979323, z = 846264338, w = 327950288;
unsigned t = x ^ x << 11; x = y; y = z; z = w; return w = w ^ w >> 19 ^ t ^ t >> 8;
}
// [a, b]
int xrand(int a, int b) { return a + xrand() % (b - a + 1); }
constexpr int N = 100;
#ifdef LOCAL
int secret[N][N];
int Q;
#endif
int Ask(int u, int v, int w) {
assert(0 <= u); assert(u < N);
assert(0 <= v); assert(v < N);
assert(0 <= w); assert(w < N);
assert(u != v); assert(v != w); assert(w != u);
int s;
#ifdef LOCAL
++Q;
s = secret[u][v] + secret[v][w] + secret[w][u];
#else
printf("? %d %d %d\n", u + 1, v + 1, w + 1);
fflush(stdout);
scanf("%d", &s);
#endif
return s;
}
int A[N][N];
void Answer() {
#ifdef LOCAL
for (int u = 0; u < N; ++u) for (int v = 0; v < N; ++v) {
assert(secret[u][v] == A[u][v]);
}
cerr << "Accepted: Q = " << Q << endl;
#else
puts("!");
for (int u = 0; u < N; ++u) {
for (int v = 0; v < N; ++v) {
printf("%d", A[u][v]);
}
puts("");
}
fflush(stdout);
#endif
}
map<vector<int>, vector<int>> psss[6];
void small() {
for (int n = 3; n <= 5; ++n) {
const int m = n * (n - 1) / 2;
for (int p = 0; p < 1 << m; ++p) {
int a[5][5] = {};
{
int pos = 0;
for (int u = 0; u < n; ++u) for (int v = u + 1; v < n; ++v) {
a[u][v] = a[v][u] = p >> pos & 1;
++pos;
}
}
vector<int> fs;
for (int u = 0; u < n; ++u) for (int v = u + 1; v < n; ++v) for (int w = v + 1; w < n; ++w) {
fs.push_back(a[u][v] + a[v][w] + a[w][u]);
}
psss[n][fs].push_back(p);
}
#ifdef LOCAL
for (const auto &kv : psss[n]) if (kv.second.size() >= 2) {
cerr << kv.first;
for (const int p : kv.second) {
cerr << " ";
for (int i = 0; i < m; ++i) cerr << ((p >> i) & 1);
}
cerr << endl;
}
#endif
if (n == 4) {
for (const auto &kv : psss[n]) {
for (const int p0 : kv.second) for (const int p1 : kv.second) if (p0 != p1) {
assert(__builtin_popcount(p0 ^ p1) >= 4);
}
}
}
}
}
void ae(int u, int v, int c) {
assert(0 <= u); assert(u < N);
assert(0 <= v); assert(v < N);
assert(c == 0 || c == 1);
if (!~A[u][v]) A[u][v] = c;
if (!~A[v][u]) A[v][u] = c;
assert(A[u][v] == c);
assert(A[v][u] == c);
}
void determine(int n, const int us[]) {
assert(3 <= n); assert(n <= 5);
vector<int> fs;
for (int i = 0; i < n; ++i) for (int j = i + 1; j < n; ++j) for (int k = j + 1; k < n; ++k) {
const int u = us[i], v = us[j], w = us[k];
int f;
if (~A[u][v] && ~A[v][w] && ~A[w][u]) {
f = A[u][v] + A[v][w] + A[w][u];
} else {
f = Ask(u, v, w);
}
fs.push_back(f);
}
auto it = psss[n].find(fs);
assert(it != psss[n].end());
{
int pos = 0;
for (int i = 0; i < n; ++i) for (int j = i + 1; j < n; ++j) {
bool ok = true;
int c = -1;
for (const int p : it->second) {
if (!~c) c = p >> pos & 1;
ok = ok && (c == (p >> pos & 1));
}
if (ok) {
ae(us[i], us[j], c);
}
++pos;
}
}
}
constexpr int R = 0;
vector<int> U;
int counter;
void rec(int l, int r) {
if (r - l >= 3) {
// for (int i = l; i < r; ++i) swap(U[xrand(l, i)], U[i]);
const int mid = l + (r - l) / 2;
for (int i = 0; i < mid - l; ++i) for (int j = i + 1; j < mid - l; ++j) {
++counter;
int u = U[l + i];
int v = U[l + j];
int w = U[mid + (i + j) % (r - mid)];
// swap((xrand() % 2) ? u : v, v);
// swap((xrand() % 3) ? ((xrand() % 2) ? u : v) : w, w);
if (!~A[u][v] && !~A[v][w] && !~A[w][v]) {
const int f = Ask(u, v, w);
if (f == 0 || f == 3) {
ae(u, v, f/3);
ae(v, w, f/3);
ae(w, u, f/3);
} else {
const int fuv = Ask(R, u, v);
ae(u, v, fuv - A[R][u] - A[R][v]);
if (f - A[u][v] == 0 || f - A[u][v] == 2) {
ae(v, w, (f - A[u][v]) / 2);
ae(w, u, (f - A[u][v]) / 2);
} else {
const int fvw = Ask(R, v, w);
ae(v, w, fvw - A[R][v] - A[R][w]);
ae(w, u, f - A[u][v] - A[v][w]);
}
}
}
}
rec(mid, r);
}
}
int main() {
#ifdef LOCAL
for (int u = 0; u < N; ++u) {
char buf[N + 1];
scanf("%s", buf);
for (int v = 0; v < N; ++v) {
secret[u][v] = buf[v] - '0';
}
}
for (int u = 0; u < N; ++u) {
assert(secret[u][u] == 0);
}
for (int u = 0; u < N; ++u) for (int v = 0; v < N; ++v) {
assert(secret[u][v] == secret[v][u]);
}
#endif
small();
for (int u = 0; u < N; ++u) for (int v = 0; v < N; ++v) if (u != v) {
A[u][v] = -1;
}
{
vector<int> ss;
for (int u = 0; u < N; ++u) if (R != u && !~A[R][u]) {
ss.push_back(u);
}
const int ssLen = ss.size();
for (int h = 0; h < ssLen; h += 4) {
vector<int> used(N, 0);
int us[5];
fill(us, us + 5, -1);
used[us[0] = R] = 1;
for (int i = 1; i < 5; ++i) if (h + (i - 1) < ssLen) {
used[us[i] = ss[h + (i - 1)]] = 1;
}
for (int i = 1; i < 5; ++i) if (!~us[i]) {
for (int u = 0; u < N; ++u) if (!used[u]) {
used[us[i] = u] = 1;
break;
}
assert(~us[i]);
}
// pv(us,us+5);
determine(5, us);
}
}
cerr<<"Q = "<<Q<<endl;
for (int u = 0; u < N; ++u) if (R != u) {
U.push_back(u);
}
// for (int i = 0; i < N - 1; ++i) swap(U[xrand(0, i)], U[i]);
rec(0, N - 1);
cerr<<"counter = "<<counter<<endl;
for (int u = 0; u < N; ++u) for (int v = u + 1; v < N; ++v) if (!~A[u][v]) {
const int res = Ask(R, u, v);
ae(u, v, res - A[R][u] - A[R][v]);
}
Answer();
return 0;
}
Details
answer.code: In function ‘int main()’: answer.code:257:15: error: ‘Q’ was not declared in this scope 257 | cerr<<"Q = "<<Q<<endl; | ^ answer.code: In function ‘int Ask(int, int, int)’: answer.code:65:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 65 | scanf("%d", &s); | ~~~~~^~~~~~~~~~