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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 |
---|---|---|---|---|---|---|---|---|---|
#707716 | #8642. Spy 3 | hhoppitree | 0 | 8ms | 5756kb | C++17 | 8.3kb | 2024-11-03 17:11:49 | 2024-11-03 17:11:51 |
Aoi
#include <bits/stdc++.h>
#include "Aoi.h"
using namespace std;
vector<int> operator * (vector<int> x, int y) {
if (x.empty()) return {};
vector<int> tres(x.size());
for (int i = 0; i < (int)x.size(); ++i) {
tres[i] += x[i] * y;
if (i + 1 != (int)x.size()) {
tres[i + 1] += tres[i] >> 10;
tres[i] &= 1023;
}
}
while (tres.back() >= 1024) {
tres.push_back(tres.back() >> 10);
tres[tres.size() - 2] &= 1023;
}
return tres;
}
vector<int> operator + (vector<int> x, int y) {
if (!y) return x;
if (x.empty()) {
x = {0};
}
x[0] += y;
int r = 0;
while (r < (int)x.size() && x[r] >= 1024) {
x[r] -= 1024;
if (r == (int)x.size() - 1) x.push_back(0);
++x[r + 1];
}
return x;
}
string tr(vector<int> arr) {
string res;
for (int i = (int)arr.size() - 1; ~i; --i) {
for (int j = 9; ~j; --j) {
res += (char)((arr[i] >> j) + '0');
}
}
while (!res.empty() && res[0] == '0') {
res = res.substr(1);
}
return res;
}
namespace Aoi {
const int N = 1e4 + 5;
vector< pair<int, long long> > G[N];
long long dis[N];
int pre[N];
vector<int> T[N];
int dep[N], clk[N];
void dfs(int x) {
for (auto v : T[x]) {
dep[v] = dep[x] + 1, dfs(v), clk[x] = min(clk[x], clk[v]);
}
}
int LCA(int x, int y) {
while (x != y) {
if (dep[x] < dep[y]) swap(x, y);
x = pre[x];
}
return x;
}
map< pair<int, int>, int> spe;
int getId(int x) {
while (x) {
if (spe.count({x, pre[x]})) {
return spe[{x, pre[x]}] + 1;
}
x = pre[x];
}
return 0;
}
string calc(vector< pair<int, int> > o) {
vector<int> res;
for (int i = (int)o.size() - 1; ~i; --i) {
res = res * o[i].first + o[i].second;
}
return tr(res);
}
string aoi(int n, int m, int q, int k, vector<int> ox, vector<int> oy, vector<long long> oz, vector<int> qr, vector<int> o) {
for (int i = 0; i < m; ++i) {
G[ox[i]].push_back({oy[i], oz[i]});
G[oy[i]].push_back({ox[i], oz[i]});
}
for (int i = 1; i < n; ++i) {
dis[i] = 1e18;
}
priority_queue< pair<long long, int> > pq;
pq.push({0, 0});
while (!pq.empty()) {
long long D = -pq.top().first;
int x = pq.top().second;
pq.pop();
if (D != dis[x]) continue;
for (auto [v, w] : G[x]) {
long long nD = D + w;
if (nD < dis[v] || (nD == dis[v] && x < pre[v])) {
dis[v] = nD, pre[v] = x;
if (nD != dis[v]) pq.push({-nD, v});
}
}
}
for (int i = 0; i < n; ++i) clk[i] = q;
for (int i = 0; i < q; ++i) {
clk[qr[i]] = min(clk[qr[i]], i);
}
for (int i = 1; i < n; ++i) {
T[pre[i]].push_back(i);
}
dfs(0);
vector< pair<int, int> > res;
for (int i = 0; i < k; ++i) {
if (dep[ox[o[i]]] < dep[oy[o[i]]]) swap(ox[o[i]], oy[o[i]]);
res.push_back({q + 1, clk[ox[o[i]]]});
spe[{ox[o[i]], oy[o[i]]}] = spe[{ox[o[i]], oy[o[i]]}] = i;
}
for (int i = 1; i < q; ++i) {
res.push_back({k + 1, getId(LCA(qr[i - 1], qr[i]))});
}
string ret = calc(res);
assert((int)ret.size() <= 1350);
return ret;
}
}
string aoi(int n, int m, int q, int k, vector<int> ox, vector<int> oy, vector<long long> oz, vector<int> qr, vector<int> o) {
return Aoi::aoi(n, m, q, k, ox, oy, oz, qr, o);
}
Bitaro
#include <bits/stdc++.h>
#include "Bitaro.h"
using namespace std;
vector<int> operator / (vector<int> x, int y) {
vector<int> tres(x.size());
int now = 0;
for (int i = (int)x.size() - 1; ~i; --i) {
now = (now << 10) + x[i];
tres[i] = now / y;
now %= y;
}
while (!tres.empty() && !tres.back()) {
tres.pop_back();
}
return tres;
}
int operator % (vector<int> x, int y) {
vector<int> tres(x.size());
int now = 0;
for (int i = (int)x.size() - 1; ~i; --i) {
now = (now << 10) + x[i];
tres[i] = now / y;
now %= y;
}
return now;
}
vector<int> parse(string S) {
while (S.size() % 10) S = "0" + S;
vector<int> res(S.size() / 10);
for (int i = 0; i < (int)S.size(); i += 10) {
for (int j = 0; j < 10; ++j) {
res[(int)S.size() - 1 - i / 10] += (S[i + j] - '0') << (9 - j);
}
}
return res;
}
namespace Bitaro {
const int N = 1e4 + 5;
vector<int> apd[N];
int pre[N], det[N], dep[N], usd[N];
vector< tuple<int, int, long long> > E;
long long dis[N];
vector< pair<int, int> > ts;
vector< pair<int, long long> > G[N];
vector<int> process(int n, vector<int> imp, int id) {
for (int i = 0; i < n; ++i) {
G[i].clear();
dis[i] = (i == 0 ? 0 : 1e18), pre[i] = 0;
}
for (auto [x, y, z] : E) {
G[x].push_back({y, z});
G[y].push_back({x, z});
}
for (auto x : imp) {
G[ts[x].first].push_back({ts[x].second, 0});
G[ts[x].second].push_back({ts[x].first, 0});
}
priority_queue< pair<long long, int> > pq;
pq.push({0, 0});
while (!pq.empty()) {
long long D = -pq.top().first;
int x = pq.top().second;
pq.pop();
if (D != dis[x]) continue;
for (auto [v, w] : G[x]) {
long long nD = D + w;
if (nD < dis[v] || (nD == dis[v] && x < pre[v])) {
dis[v] = nD, pre[v] = x;
if (nD != dis[v]) pq.push({-nD, v});
}
}
}
vector<int> path = {id};
int now = id;
while (now) {
path.push_back(pre[now]);
now = pre[now];
}
reverse(path.begin(), path.end());
for (int i = 1; i < (int)path.size(); ++i) {
det[path[i]] = path[i - 1];
dep[path[i]] = dep[path[i - 1]] + 1;
}
return path;
}
void bitaro(int n, int m, int q, int k, vector<int> ox, vector<int> oy, vector<long long> oz, vector<int> qr, vector<int> o, string S) {
vector<int> val = parse(S);
for (int i = 0; i < k; ++i) {
int cl = val % (q + 1);
val = val / (q + 1);
apd[cl].push_back(i);
}
map< pair<int, int>, int> M;
for (int i = 0; i < m; ++i) {
M[{ox[i], oy[i]}] = M[{oy[i], ox[i]}] = i;
}
for (int i = 0; i < k; ++i) {
usd[o[i]] = 1;
ts.push_back({ox[o[i]], oy[o[i]]});
}
for (int i = 0; i < m; ++i) {
if (!usd[i]) E.push_back({ox[i], oy[i], oz[i]});
}
for (int i = 0; i < q; ++i) {
vector<int> imp;
if (i) {
int id = val % (k + 1);
val = val / (k + 1);
if (dep[ox[o[id]]] < dep[oy[o[id]]]) {
swap(dep[ox[o[id]]], dep[oy[o[id]]]);
}
id = ox[o[id]];
while (id) {
if (usd[M[{id, pre[i]}]]) {
imp.push_back(M[{id, pre[id]}]);
}
id = det[id];
}
}
for (auto x : apd[i]) {
imp.push_back(x);
}
vector<int> res = process(n, imp, qr[i]);
vector<int> ids;
for (int j = 0; j + 1 < (int)res.size(); ++j) {
ids.push_back(M[{res[j], res[j + 1]}]);
}
answer(ids);
}
}
}
void bitaro(int n, int m, int q, int k, vector<int> ox, vector<int> oy, vector<long long> oz, vector<int> qr, vector<int> o, string S) {
Bitaro::bitaro(n, m, q, k, ox, oy, oz, qr, o, S);
}
详细
Test #1:
score: 0
Wrong Answer
time: 8ms
memory: 5756kb
Manager to Aoi
200 19900 13 70 985302938314 120 174 18964037101 18 153 170196070829 45 129 323777973024 62 198 689223413645 88 133 457404464825 19 57 803409835578 22 187 662331177910 18 31 529437059733 161 182 637731822589 109 131 32831735773 109 191 875742441191 43 78 135479410688 56 60 19000632823 44 143 6823771...
Aoi to Manager
1
Manager to Bitaro
WA
Bitaro to Manager
-1
Manager to Checker
0.00
result:
points 0.0