#include <iostream>
#include <vector>
#include <string>
using namespace std;
const int INF = 1e9;
void send_bit(int b) {
cout << "+ " << b << "\n";
cout.flush();
}
int receive_bit() {
cout << "?\n";
cout.flush();
char c;
cin >> c;
return c - '0';
}
int bits_needed(int u) {
if (u <= 1) return 0;
int b = 0;
while ((1 << b) < u) b++;
return b;
}
struct Edge {
int to;
int weight;
};
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
string role;
if (!(cin >> role)) return 0;
bool is_algosia = (role == "Algosia");
int n, m;
cin >> n >> m;
vector<vector<Edge>> adj(n + 1);
for (int i = 0; i < m; ++i) {
int u, v, c;
cin >> u >> v >> c;
adj[u].push_back({v, c});
adj[v].push_back({u, c});
}
vector<int> dist(n + 1, INF);
vector<bool> visited(n + 1, false);
dist[1] = 0;
visited[1] = true;
int last_d = 0;
vector<int> unvisited;
for (int i = 2; i <= n; ++i) {
unvisited.push_back(i);
}
for (auto edge : adj[1]) {
if (dist[edge.to] > dist[1] + edge.weight) {
dist[edge.to] = dist[1] + edge.weight;
}
}
for (int step = 0; step < n - 1; ++step) {
int U = unvisited.size();
int min_d = INF;
int min_u = -1;
for (int u : unvisited) {
if (dist[u] < min_d) {
min_d = dist[u];
min_u = u;
}
}
int delta = (min_d == INF) ? 511 : (min_d - last_d);
int delta_A = is_algosia ? delta : 0;
int delta_B = !is_algosia ? delta : 0;
int winner = -1;
int k_mismatch = -1;
for (int k = 8; k >= 0; --k) {
int bit_A = is_algosia ? ((delta_A >> k) & 1) : 0;
int bit_B = !is_algosia ? ((delta_B >> k) & 1) : 0;
if (is_algosia) send_bit(bit_A);
int recv_A = is_algosia ? bit_A : receive_bit();
int match = (!is_algosia) ? (bit_B == recv_A ? 0 : 1) : 0;
if (!is_algosia) send_bit(match);
int recv_match = is_algosia ? receive_bit() : match;
if (recv_match == 1) {
if (recv_A == 0) winner = 0;
else winner = 1;
k_mismatch = k;
break;
}
}
if (winner == -1) winner = 2;
int final_delta = 0;
for (int k = 8; k > k_mismatch; --k) {
if ((delta >> k) & 1) final_delta |= (1 << k);
}
if (winner == 0) {
for (int k = k_mismatch - 1; k >= 0; --k) {
if (is_algosia) send_bit((delta >> k) & 1);
int b = is_algosia ? ((delta >> k) & 1) : receive_bit();
if (b) final_delta |= (1 << k);
}
} else if (winner == 1) {
for (int k = k_mismatch - 1; k >= 0; --k) {
if (!is_algosia) send_bit((delta >> k) & 1);
int b = is_algosia ? receive_bit() : ((delta >> k) & 1);
if (b) final_delta |= (1 << k);
}
} else {
final_delta = delta;
}
int num_bits_u = bits_needed(U);
int final_u_idx = 0;
if (winner == 0 || winner == 2) {
int u_idx = -1;
if (is_algosia) {
for (int i = 0; i < U; ++i) {
if (unvisited[i] == min_u) {
u_idx = i;
break;
}
}
}
for (int k = num_bits_u - 1; k >= 0; --k) {
if (is_algosia) send_bit((u_idx >> k) & 1);
int b = is_algosia ? ((u_idx >> k) & 1) : receive_bit();
if (b) final_u_idx |= (1 << k);
}
} else {
int u_idx = -1;
if (!is_algosia) {
for (int i = 0; i < U; ++i) {
if (unvisited[i] == min_u) {
u_idx = i;
break;
}
}
}
for (int k = num_bits_u - 1; k >= 0; --k) {
if (!is_algosia) send_bit((u_idx >> k) & 1);
int b = is_algosia ? receive_bit() : ((u_idx >> k) & 1);
if (b) final_u_idx |= (1 << k);
}
}
int final_u = unvisited[final_u_idx];
unvisited.erase(unvisited.begin() + final_u_idx);
last_d += final_delta;
visited[final_u] = true;
dist[final_u] = last_d;
for (auto edge : adj[final_u]) {
if (!visited[edge.to] && dist[edge.to] > dist[final_u] + edge.weight) {
dist[edge.to] = dist[final_u] + edge.weight;
}
}
}
if (is_algosia) {
cout << "!";
for (int i = 1; i <= n; ++i) {
cout << " " << dist[i];
}
cout << "\n";
cout.flush();
}
return 0;
}
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | #include <iostream> #include <vector> #include <string> using namespace std; const int INF = 1e9; void send_bit(int b) { cout << "+ " << b << "\n"; cout.flush(); } int receive_bit() { cout << "?\n"; cout.flush(); char c; cin >> c; return c - '0'; } int bits_needed(int u) { if (u <= 1) return 0; int b = 0; while ((1 << b) < u) b++; return b; } struct Edge { int to; int weight; }; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); string role; if (!(cin >> role)) return 0; bool is_algosia = (role == "Algosia"); int n, m; cin >> n >> m; vector<vector<Edge>> adj(n + 1); for (int i = 0; i < m; ++i) { int u, v, c; cin >> u >> v >> c; adj[u].push_back({v, c}); adj[v].push_back({u, c}); } vector<int> dist(n + 1, INF); vector<bool> visited(n + 1, false); dist[1] = 0; visited[1] = true; int last_d = 0; vector<int> unvisited; for (int i = 2; i <= n; ++i) { unvisited.push_back(i); } for (auto edge : adj[1]) { if (dist[edge.to] > dist[1] + edge.weight) { dist[edge.to] = dist[1] + edge.weight; } } for (int step = 0; step < n - 1; ++step) { int U = unvisited.size(); int min_d = INF; int min_u = -1; for (int u : unvisited) { if (dist[u] < min_d) { min_d = dist[u]; min_u = u; } } int delta = (min_d == INF) ? 511 : (min_d - last_d); int delta_A = is_algosia ? delta : 0; int delta_B = !is_algosia ? delta : 0; int winner = -1; int k_mismatch = -1; for (int k = 8; k >= 0; --k) { int bit_A = is_algosia ? ((delta_A >> k) & 1) : 0; int bit_B = !is_algosia ? ((delta_B >> k) & 1) : 0; if (is_algosia) send_bit(bit_A); int recv_A = is_algosia ? bit_A : receive_bit(); int match = (!is_algosia) ? (bit_B == recv_A ? 0 : 1) : 0; if (!is_algosia) send_bit(match); int recv_match = is_algosia ? receive_bit() : match; if (recv_match == 1) { if (recv_A == 0) winner = 0; else winner = 1; k_mismatch = k; break; } } if (winner == -1) winner = 2; int final_delta = 0; for (int k = 8; k > k_mismatch; --k) { if ((delta >> k) & 1) final_delta |= (1 << k); } if (winner == 0) { for (int k = k_mismatch - 1; k >= 0; --k) { if (is_algosia) send_bit((delta >> k) & 1); int b = is_algosia ? ((delta >> k) & 1) : receive_bit(); if (b) final_delta |= (1 << k); } } else if (winner == 1) { for (int k = k_mismatch - 1; k >= 0; --k) { if (!is_algosia) send_bit((delta >> k) & 1); int b = is_algosia ? receive_bit() : ((delta >> k) & 1); if (b) final_delta |= (1 << k); } } else { final_delta = delta; } int num_bits_u = bits_needed(U); int final_u_idx = 0; if (winner == 0 || winner == 2) { int u_idx = -1; if (is_algosia) { for (int i = 0; i < U; ++i) { if (unvisited[i] == min_u) { u_idx = i; break; } } } for (int k = num_bits_u - 1; k >= 0; --k) { if (is_algosia) send_bit((u_idx >> k) & 1); int b = is_algosia ? ((u_idx >> k) & 1) : receive_bit(); if (b) final_u_idx |= (1 << k); } } else { int u_idx = -1; if (!is_algosia) { for (int i = 0; i < U; ++i) { if (unvisited[i] == min_u) { u_idx = i; break; } } } for (int k = num_bits_u - 1; k >= 0; --k) { if (!is_algosia) send_bit((u_idx >> k) & 1); int b = is_algosia ? receive_bit() : ((u_idx >> k) & 1); if (b) final_u_idx |= (1 << k); } } int final_u = unvisited[final_u_idx]; unvisited.erase(unvisited.begin() + final_u_idx); last_d += final_delta; visited[final_u] = true; dist[final_u] = last_d; for (auto edge : adj[final_u]) { if (!visited[edge.to] && dist[edge.to] > dist[final_u] + edge.weight) { dist[edge.to] = dist[final_u] + edge.weight; } } } if (is_algosia) { cout << "!"; for (int i = 1; i <= n; ++i) { cout << " " << dist[i]; } cout << "\n"; cout.flush(); } return 0; } |
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