#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <deque>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;
#define JOIN_(X, Y) X##Y
#define JOIN(X, Y) JOIN_(X, Y)
#define TMP JOIN(tmp, __LINE__)
#define PB push_back
#define SZ(x) int((x).size())
#define REP(i, n) for (int i = 0, TMP = (n); i < TMP; ++i)
#define FOR(i, a, b) for (int i = (a), TMP = (b); i <= TMP; ++i)
#define FORD(i, a, b) for (int i = (a), TMP = (b); i >= TMP; --i)
#ifdef DEBUG
#define DEB(x) (cerr << x)
#else
#define DEB(x)
#endif
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef unsigned int uint;
const int MAX_N = 2000;
const int MAX_WEIGHT = 501;
const int MAX_DIST = MAX_N * MAX_WEIGHT + 1;
struct Elem {
int target, dist;
bool operator<(const Elem &other) const {
if (dist == other.dist) {
return target > other.target;
}
return dist > other.dist;
}
friend std::ostream &operator<<(std::ostream &os, const Elem &e) {
os << "Elem{ target: " << e.target << ", dist: " << e.dist << " }";
return os;
}
};
void transmit(int value, int bits) {
REP(i, bits) {
int bit = (value >> i) & 1;
cout << "+ " << bit << "\n";
cout.flush();
}
}
int receive(int bits) {
int value = 0;
REP(i, bits) {
cout << "?\n";
cout.flush();
int bit;
cin >> bit;
value |= (bit << i);
}
return value;
}
struct Case {
int dist[MAX_N + 1] = {};
vector<pii> adj[MAX_N + 1];
void solve() {
string person;
cin >> person;
int n, m;
cin >> n >> m;
FOR(i, 1, n) { dist[i] = MAX_DIST; }
int start = 1;
dist[start] = 0;
REP(i, m) {
int a, b, weight;
cin >> a >> b >> weight;
adj[a].PB({b, weight});
adj[b].PB({a, weight});
}
priority_queue<Elem> q;
q.push({start, 0});
REP(i, n) {
Elem local;
if (q.empty()) {
local = Elem({0, MAX_DIST});
} else {
local = q.top();
}
if (local.target != 0 and local.dist > dist[local.target]) {
q.pop();
continue;
}
DEB(person << " i=" << i << " local=" << local << "\n");
transmit(local.target, 11);
transmit(local.dist, 20);
int remote_target = receive(11);
int remote_dist = receive(20);
Elem remote = Elem({remote_target, remote_dist});
DEB(person << " i=" << i << " remote=" << local << "\n");
Elem current;
if (local < remote) {
current = remote;
} else {
current = local;
if (current.target != 0) {
q.pop();
}
}
DEB(person << " i=" << i << " current=" << local << "\n");
int x = current.target;
for (auto &edge : adj[x]) {
int y = edge.first;
int weight = edge.second;
int new_dist = current.dist + weight;
if (new_dist < dist[y]) {
dist[y] = new_dist;
q.push({y, new_dist});
}
}
}
if (person[0] == 'A') {
cout << "! ";
DEB("wynik:\n");
FOR(i, 1, n) {
cout << dist[i] << " ";
DEB(dist[i] << " ");
}
DEB("\n");
cout << "\n";
cout.flush();
}
}
};
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int z = 1;
// cin >> z;
while (z--) {
Case().solve();
}
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | #include <algorithm> #include <bitset> #include <cmath> #include <cstdlib> #include <ctime> #include <deque> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; #define JOIN_(X, Y) X##Y #define JOIN(X, Y) JOIN_(X, Y) #define TMP JOIN(tmp, __LINE__) #define PB push_back #define SZ(x) int((x).size()) #define REP(i, n) for (int i = 0, TMP = (n); i < TMP; ++i) #define FOR(i, a, b) for (int i = (a), TMP = (b); i <= TMP; ++i) #define FORD(i, a, b) for (int i = (a), TMP = (b); i >= TMP; --i) #ifdef DEBUG #define DEB(x) (cerr << x) #else #define DEB(x) #endif typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; typedef unsigned int uint; const int MAX_N = 2000; const int MAX_WEIGHT = 501; const int MAX_DIST = MAX_N * MAX_WEIGHT + 1; struct Elem { int target, dist; bool operator<(const Elem &other) const { if (dist == other.dist) { return target > other.target; } return dist > other.dist; } friend std::ostream &operator<<(std::ostream &os, const Elem &e) { os << "Elem{ target: " << e.target << ", dist: " << e.dist << " }"; return os; } }; void transmit(int value, int bits) { REP(i, bits) { int bit = (value >> i) & 1; cout << "+ " << bit << "\n"; cout.flush(); } } int receive(int bits) { int value = 0; REP(i, bits) { cout << "?\n"; cout.flush(); int bit; cin >> bit; value |= (bit << i); } return value; } struct Case { int dist[MAX_N + 1] = {}; vector<pii> adj[MAX_N + 1]; void solve() { string person; cin >> person; int n, m; cin >> n >> m; FOR(i, 1, n) { dist[i] = MAX_DIST; } int start = 1; dist[start] = 0; REP(i, m) { int a, b, weight; cin >> a >> b >> weight; adj[a].PB({b, weight}); adj[b].PB({a, weight}); } priority_queue<Elem> q; q.push({start, 0}); REP(i, n) { Elem local; if (q.empty()) { local = Elem({0, MAX_DIST}); } else { local = q.top(); } if (local.target != 0 and local.dist > dist[local.target]) { q.pop(); continue; } DEB(person << " i=" << i << " local=" << local << "\n"); transmit(local.target, 11); transmit(local.dist, 20); int remote_target = receive(11); int remote_dist = receive(20); Elem remote = Elem({remote_target, remote_dist}); DEB(person << " i=" << i << " remote=" << local << "\n"); Elem current; if (local < remote) { current = remote; } else { current = local; if (current.target != 0) { q.pop(); } } DEB(person << " i=" << i << " current=" << local << "\n"); int x = current.target; for (auto &edge : adj[x]) { int y = edge.first; int weight = edge.second; int new_dist = current.dist + weight; if (new_dist < dist[y]) { dist[y] = new_dist; q.push({y, new_dist}); } } } if (person[0] == 'A') { cout << "! "; DEB("wynik:\n"); FOR(i, 1, n) { cout << dist[i] << " "; DEB(dist[i] << " "); } DEB("\n"); cout << "\n"; cout.flush(); } } }; int main() { ios::sync_with_stdio(false); cin.tie(0); int z = 1; // cin >> z; while (z--) { Case().solve(); } } |
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