# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1038006 | AmirAli_H1 | Spy 3 (JOI24_spy3) | C++17 | 55 ms | 5784 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
// In the name of Allah
#include <bits/stdc++.h>
#include "Aoi.h"
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef complex<ld> cld;
#define all(x) (x).begin(),(x).end()
#define len(x) ((ll) (x).size())
#define F first
#define S second
#define pb push_back
#define sep ' '
#define endl '\n'
#define Mp make_pair
#define kill(x) cout << x << '\n', exit(0)
#define set_dec(x) cout << fixed << setprecision(x);
#define file_io(x,y) freopen(x, "r", stdin); freopen(y, "w", stdout);
namespace {
const int maxn = 2e4 + 4;
const ll oo = 1e18 + 4;
int n, m, q, k;
vector<int> adj[maxn];
vector<pair<pii, ll>> E;
int ind[maxn], M[maxn];
int res[maxn]; string s;
ll dis[maxn]; int mark[maxn], par[maxn];
priority_queue<pll> qu;
void dij(int v) {
fill(dis, dis + n, oo);
fill(mark, mark + n, 0); fill(par, par + n, -1);
dis[v] = 0; qu.push(Mp(-dis[v], v));
while (!qu.empty()) {
int v = qu.top().S; qu.pop();
if (mark[v]) continue;
mark[v] = 1;
for (int j : adj[v]) {
int u = E[j].F.F; ll w = E[j].S;
if (u == v) u = E[j].F.S;
if (dis[v] + w < dis[u]) {
dis[u] = dis[v] + w;
par[u] = j; qu.push(Mp(-dis[u], u));
}
}
}
}
}
string aoi(int Nx, int Mx, int Qx, int Kx, vector<int> Ax,
vector<int> Bx, vector<ll> Cx,
vector<int> Tx, vector<int> Rx) {
n = Nx; m = Mx; q = Qx; k = Kx;
fill(ind, ind + n, -1);
for (int i = 0; i < q; i++) {
int v = Tx[i]; ind[v] = i;
}
fill(M, M + m, -1);
for (int i = 0; i < k; i++) {
int j = Rx[i]; M[j] = i;
}
for (int i = 0; i < m; i++) {
int u = Ax[i], v = Bx[i]; ll w = Cx[i];
adj[u].pb(i); adj[v].pb(i);
E.pb(Mp(Mp(u, v), w));
}
dij(0);
for (int i = 0; i < q; i++) {
int v = Tx[i];
fill(res, res + k, 0);
while (v != 0) {
int j = par[v];
if (M[j] != -1) res[M[j]] = 1;
if (E[j].F.F != v) v = E[j].F.F;
else v = E[j].F.S;
}
for (int i = 0; i < k; i++) {
if (res[i]) s += "1";
else s += "0";
}
}
return s;
}
// In the name of Allah
#include <bits/stdc++.h>
#include "Aoi.h"
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef complex<ld> cld;
#define all(x) (x).begin(),(x).end()
#define len(x) ((ll) (x).size())
#define F first
#define S second
#define pb push_back
#define sep ' '
#define endl '\n'
#define Mp make_pair
#define kill(x) cout << x << '\n', exit(0)
#define set_dec(x) cout << fixed << setprecision(x);
#define file_io(x,y) freopen(x, "r", stdin); freopen(y, "w", stdout);
namespace {
const int maxn = 2e4 + 4;
const int maxq = 20;
const ll oo = 1e18 + 4;
int n, m, q, k;
vector<int> adj[maxn];
vector<pair<pii, ll>> E;
int ind[maxn], M[maxn];
int res[maxn]; string s;
ll dis[maxn]; int mark[maxn], par[maxn];
priority_queue<pll> qu;
vector<int> ans[maxq];
void dij(int v) {
fill(dis, dis + n, oo);
fill(mark, mark + n, 0); fill(par, par + n, -1);
dis[v] = 0; qu.push(Mp(-dis[v], v));
while (!qu.empty()) {
int v = qu.top().S; qu.pop();
if (mark[v]) continue;
mark[v] = 1;
for (int j : adj[v]) {
int u = E[j].F.F; ll w = E[j].S;
if (u == v) u = E[j].F.S;
if (dis[v] + w < dis[u]) {
dis[u] = dis[v] + w;
par[u] = j; qu.push(Mp(-dis[u], u));
}
}
}
}
}
void answer(const vector<int> &e);
void bitaro(int Nx, int Mx, int Qx, int Kx, vector<int> Ax,
vector<int> Bx, vector<ll> Cx,
vector<int> Tx, vector<int> Rx, string s) {
n = Nx; m = Mx; q = Qx; k = Kx;
fill(ind, ind + n, -1);
for (int i = 0; i < q; i++) {
int v = Tx[i]; ind[v] = i;
}
fill(M, M + m, -1);
for (int i = 0; i < k; i++) {
int j = Rx[i]; M[j] = i;
}
for (int i = 0; i < m; i++) {
int u = Ax[i], v = Bx[i]; ll w = Cx[i];
if (M[i] == -1) {
adj[u].pb(i); adj[v].pb(i);
}
else w = 0;
E.pb(Mp(Mp(u, v), w));
}
for (int i = 0; i < q; i++) {
int l = i * k, r = (i + 1) * k;
for (int e = l; e < r; e++) {
if (s[e] == '1') {
int j = Rx[e - l];
int u = E[j].F.F, v = E[j].F.S;
adj[u].pb(j); adj[v].pb(j);
}
}
dij(0); int v = Tx[i];
while (v != 0) {
int j = par[v];
ans[i].pb(j);
if (E[j].F.F != v) v = E[j].F.F;
else v = E[j].F.S;
}
reverse(all(ans[i]));
for (int e = l; e < r; e++) {
if (s[e] == '1') {
int j = Rx[e - l];
int u = E[j].F.F, v = E[j].F.S;
adj[u].pop_back(); adj[v].pop_back();
}
}
}
for (int i = 0; i < q; i++) answer(ans[i]);
return ;
}
컴파일 시 표준 에러 (stderr) 메시지
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