| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 792469 |
2023-07-25T05:15:57 Z |
ono_de206 |
Prize (CEOI22_prize) |
C++14 |
|
3500 ms |
471628 KB |
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#pragma GCC optimize(3)
#pragma GCC target("avx")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
// #define int long long
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
out << c.first << ' ' << c.second;
return out;
}
template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
const int sz = v.size();
for (int i = 0; i < sz; i++) {
if (i) out << ' ';
out << v[i];
}
return out;
}
template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
for (T &x : v) in >> x;
return in;
}
template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}
struct tree {
int n, lg, t;
vector<int> dep, in, out;
vector<vector<int>> jump, g;
bool did;
tree(int _n) : n(_n) {
g.resize(n + 1);
in.resize(n + 1);
out.resize(n + 1);
dep.resize(n + 1);
did = 0;
lg = t = 0;
while((1 << lg) <= n) lg++;
jump.resize(n + 1, vector<int>(lg));
}
void build(int to = 1, int fr = 0) {
dep[to] = dep[fr] + 1;
jump[to][0] = fr;
in[to] = ++t;
for(int x : g[to]) {
if(x == fr) continue;
build(x, to);
}
out[to] = t;
}
void add(int x, int y) {
g[x].pb(y);
g[y].pb(x);
}
void buildLCA() {
if(did) return;
did = 1;
for(int j = 1; j < lg; j++) {
for(int i = 1; i <= n; i++) {
jump[i][j] = jump[jump[i][j - 1]][j - 1];
}
}
}
int lca(int x, int y) {
if(dep[x] < dep[y]) swap(x, y);
int dff = dep[x] - dep[y];
for(int i = 0; i < lg; i++) {
if((dff >> i) & 1) x = jump[x][i];
}
if(x == y) return x;
for(int i = lg - 1; i >= 0; i--) {
if(jump[x][i] != jump[y][i]) {
x = jump[x][i];
y = jump[y][i];
}
}
return jump[x][0];
}
int distance(int x, int y) {
return dep[x] + dep[y] - dep[lca(x, y)] * 2;
}
bool isAnc(int x, int y) {
return in[x] <= in[y] && out[x] >= out[y];
}
bool isOn(int x, int y, int z) {
int p = lca(x, y);
if(dep[p] > dep[z]) return 0;
return (isAnc(z, x) || isAnc(z, y));
}
~tree() {
jump.clear();
dep.clear();
g.clear();
in.clear();
out.clear();
}
};
const int mxn = 1e6 + 10;
int dis1[mxn], dis2[mxn];
bool vis[mxn];
vector<pair<int, int>> adj1[mxn], adj2[mxn];
void dfs1(int to, int dis) {
dis1[to] = dis;
vis[to] = 1;
for(auto it : adj1[to]) {
if(vis[it.ff]) continue;
dfs1(it.ff, dis + it.ss);
}
}
void dfs2(int to, int dis) {
dis2[to] = dis;
vis[to] = 1;
for(auto it : adj2[to]) {
if(vis[it.ff]) continue;
dfs2(it.ff, dis + it.ss);
}
}
int main() {
fast;
int n, k, q, t; cin >> n >> k >> q >> t;
tree tr1(n), tr2(n);
int root1, root2;
for(int i = 1; i <= n; i++) {
int x; cin >> x;
if(~x) tr1.add(x, i);
else root1 = i;
}
for(int i = 1; i <= n; i++) {
int x; cin >> x;
if(~x) tr2.add(x, i);
else root2 = i;
}
tr1.build(root1); tr1.buildLCA();
tr2.build(root2); tr2.buildLCA();
vector<int> ks;
for(int i = 1; i <= n; i++) {
if(tr1.in[i] <= k) ks.pb(i);
}
sort(all(ks), [&](int x, int y) {
return tr2.in[x] < tr2.in[y];
});
for(int i = 0; i < k; i++) {
cout << ks[i] << ' ';
}
cout << endl;
for(int i = 0; i + 1 < k; i++) {
cout << "? " << ks[i] << ' ' << ks[i + 1] << endl;
}
cout << "!" << endl;
for(int i = 0; i + 1 < k; i++) {
int a, b, c, d;
cin >> a >> b >> c >> d;
int lc1 = tr1.lca(ks[i], ks[i + 1]);
int lc2 = tr2.lca(ks[i], ks[i + 1]);
adj1[ks[i]].eb(lc1, -a);
adj1[lc1].eb(ks[i + 1], b);
adj2[ks[i]].eb(lc2, -c);
adj2[lc2].eb(ks[i + 1], d);
}
dfs1(ks[0], 0);
for(int i = 0; i < k; i++) {
vis[ks[i]] = 0;
}
dfs2(ks[0], 0);
vector<pair<int, int>> ans;
for(int i = 0; i < t; i++) {
int x, y; cin >> x >> y;
ans.eb(dis1[x] + dis1[y] - dis1[tr1.lca(x, y)] * 2, dis2[x] + dis2[y] - dis2[tr2.lca(x, y)] * 2);
}
for(auto &it : ans) {
cout << it << endl;
}
return 0;
}
Compilation message
Main.cpp:23:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
23 | #pragma GCC optimize("-fwhole-program")
| ^
Main.cpp:30:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
30 | #pragma GCC optimize("-fstrict-overflow")
| ^
Main.cpp:32:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
32 | #pragma GCC optimize("-fcse-skip-blocks")
| ^
Main.cpp:46:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
46 | #pragma GCC optimize("-funsafe-loop-optimizations")
| ^
Main.cpp:70:57: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
70 | ostream & operator << (ostream &out, const pair<T, U> &c) {
| ^
Main.cpp:70:57: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:70:57: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:70:57: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:76:50: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
76 | ostream & operator << (ostream &out, vector<T> &v) {
| ^
Main.cpp:76:50: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:76:50: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:76:50: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:86:49: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
86 | istream & operator >> (istream &in, vector<T> &v) {
| ^
Main.cpp:86:49: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:86:49: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:86:49: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:93:19: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
93 | void mxx(T &a, T b){if(b > a) a = b;}
| ^
Main.cpp:93:19: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:93:19: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:93:19: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:95:19: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
95 | void mnn(T &a, T b){if(b < a) a = b;}
| ^
Main.cpp:95:19: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:95:19: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:95:19: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:103:13: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
103 | tree(int _n) : n(_n) {
| ^
Main.cpp:103:13: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:103:13: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:103:13: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:114:35: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
114 | void build(int to = 1, int fr = 0) {
| ^
Main.cpp:114:35: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:114:35: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:114:35: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:125:23: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
125 | void add(int x, int y) {
| ^
Main.cpp:125:23: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:125:23: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:125:23: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:130:16: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
130 | void buildLCA() {
| ^
Main.cpp:130:16: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:130:16: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:130:16: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:140:22: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
140 | int lca(int x, int y) {
| ^
Main.cpp:140:22: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:140:22: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:140:22: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:156:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
156 | int distance(int x, int y) {
| ^
Main.cpp:156:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:156:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:156:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:160:25: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
160 | bool isAnc(int x, int y) {
| ^
Main.cpp:160:25: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:160:25: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:160:25: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:164:31: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
164 | bool isOn(int x, int y, int z) {
| ^
Main.cpp:164:31: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:164:31: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:164:31: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:170:8: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
170 | ~tree() {
| ^
Main.cpp:170:8: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:170:8: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:170:8: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:184:26: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
184 | void dfs1(int to, int dis) {
| ^
Main.cpp:184:26: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:184:26: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:184:26: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:193:26: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
193 | void dfs2(int to, int dis) {
| ^
Main.cpp:193:26: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:193:26: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:193:26: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:202:10: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
202 | int main() {
| ^
Main.cpp:202:10: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:202:10: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:202:10: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp: In function 'int main()':
Main.cpp:225:32: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
225 | sort(all(ks), [&](int x, int y) {
| ^
Main.cpp:225:32: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
Main.cpp:225:32: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
Main.cpp:225:32: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
Main.cpp:218:11: warning: 'root1' may be used uninitialized in this function [-Wmaybe-uninitialized]
218 | tr1.build(root1); tr1.buildLCA();
| ~~~~~~~~~^~~~~~~
Main.cpp:219:11: warning: 'root2' may be used uninitialized in this function [-Wmaybe-uninitialized]
219 | tr2.build(root2); tr2.buildLCA();
| ~~~~~~~~~^~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1645 ms |
261120 KB |
Output is correct |
| 2 |
Correct |
1628 ms |
262856 KB |
Output is correct |
| 3 |
Correct |
1087 ms |
243328 KB |
Output is correct |
| 4 |
Correct |
1102 ms |
243008 KB |
Output is correct |
| 5 |
Correct |
1131 ms |
244856 KB |
Output is correct |
| 6 |
Correct |
1615 ms |
246480 KB |
Output is correct |
| 7 |
Correct |
1513 ms |
246424 KB |
Output is correct |
| 8 |
Correct |
1512 ms |
245972 KB |
Output is correct |
| 9 |
Correct |
1093 ms |
243168 KB |
Output is correct |
| 10 |
Correct |
1123 ms |
244460 KB |
Output is correct |
| 11 |
Correct |
1060 ms |
242204 KB |
Output is correct |
| 12 |
Correct |
1083 ms |
244052 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1806 ms |
263120 KB |
Output is correct |
| 2 |
Correct |
1661 ms |
260568 KB |
Output is correct |
| 3 |
Correct |
1219 ms |
243968 KB |
Output is correct |
| 4 |
Correct |
1284 ms |
245920 KB |
Output is correct |
| 5 |
Correct |
1254 ms |
244696 KB |
Output is correct |
| 6 |
Correct |
1691 ms |
245796 KB |
Output is correct |
| 7 |
Correct |
1759 ms |
248072 KB |
Output is correct |
| 8 |
Correct |
1736 ms |
248236 KB |
Output is correct |
| 9 |
Correct |
1549 ms |
248968 KB |
Output is correct |
| 10 |
Correct |
1552 ms |
249604 KB |
Output is correct |
| 11 |
Correct |
1420 ms |
246756 KB |
Output is correct |
| 12 |
Correct |
1639 ms |
249496 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1213 ms |
253572 KB |
Output is correct |
| 2 |
Correct |
1222 ms |
253572 KB |
Output is correct |
| 3 |
Correct |
827 ms |
235044 KB |
Output is correct |
| 4 |
Correct |
802 ms |
235136 KB |
Output is correct |
| 5 |
Correct |
789 ms |
235044 KB |
Output is correct |
| 6 |
Correct |
1140 ms |
237880 KB |
Output is correct |
| 7 |
Correct |
1075 ms |
237928 KB |
Output is correct |
| 8 |
Correct |
1094 ms |
237988 KB |
Output is correct |
| 9 |
Correct |
1008 ms |
238364 KB |
Output is correct |
| 10 |
Correct |
965 ms |
238320 KB |
Output is correct |
| 11 |
Correct |
986 ms |
238324 KB |
Output is correct |
| 12 |
Correct |
942 ms |
238364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
3548 ms |
455200 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3471 ms |
471628 KB |
Output is correct |
| 2 |
Correct |
3484 ms |
471296 KB |
Output is correct |
| 3 |
Correct |
2524 ms |
433048 KB |
Output is correct |
| 4 |
Correct |
2518 ms |
436340 KB |
Output is correct |
| 5 |
Correct |
2419 ms |
432708 KB |
Output is correct |
| 6 |
Execution timed out |
3578 ms |
441552 KB |
Time limit exceeded |
| 7 |
Halted |
0 ms |
0 KB |
- |
