QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#426795 | #3047. Wind of Change | Ew_Cors | Compile Error | / | / | C++20 | 4.6kb | 2024-05-31 21:34:10 | 2024-05-31 21:34:10 |
Judging History
answer
#pragma GCC optimize(2)
#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;
constexpr int N = 2.5e5 + 5;
using i64 = long long;
using E = vector<pair<int, int> >;
using V = vector<pair<int, i64> >;
int vis[N];
int siz[N];
void gsiz(int u, int fa, E *e) {
siz[u] = 1;
for (auto [v, w] : e[u]) {
if (v == fa || vis[v]) {
continue;
}
gsiz(v, u, e);
siz[u] += siz[v];
}
}
void frt(int u, int fa, int sm, int &rt, int &rsm, E *e) {
int mxn = 0;
for (auto [v, w] : e[u]) {
if (v == fa || vis[v]) {
continue;
}
frt(v, u, sm, rt, rsm, e);
mxn = max(mxn, siz[v]);
}
if (u == fa) {
if (mxn > rsm) {
rsm = mxn;
rt = u;
}
}
if (min(mxn, sm - siz[u]) > rsm) {
rsm = min(mxn, sm - siz[u]);
rt = u;
}
}
void fdp(int u, int fa, i64 dep, int rt, V *s, E *e) {
s[u].push_back({rt, dep});
for (auto [v, w] : e[u]) {
if (v == fa || vis[v]) {
continue;
}
fdp(v, u, dep + w, rt, s, e);
}
}
void dfs(int u, V *s, E *e) {
gsiz(u, u, e);
int sm = siz[u], rt = 0, rsm = 0;
frt(u, u, sm, rt, rsm, e);
if (rt == 0) {
s[u].push_back({u, 0});
return;
}
fdp(rt, rt, 0, rt, s, e);
vis[rt] = 1;
for (auto [v, w] : e[rt]) {
if (!vis[v]) {
dfs(v, s, e);
}
}
}
int n;
E e[2][N];
V s[2][N];
V st[N];
void bld(int x) {
for (int i = 1; i <= n; i++) {
vis[i] = 0;
}
dfs(1, s[x], e[x]);
}
i64 dep[N];
i64 ans[N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n;
for (int o = 0; o < 2; o++) {
for (int i = 1, u, v, w; i < n; i++) {
cin >> u >> v >> w;
e[o][u].push_back({v, w});
e[o][v].push_back({u, w});
}
}
bld(0);
bld(1);
for (int i = 1; i <= n; i++) {
for (auto [f0, d0] : s[0][i]) {
st[f0].push_back({i, d0});
}
}
for (int i = 1; i <= n; i++) {
dep[i] = 1e18;
ans[i] = 1e18;
}
for (int c = 1; c <= n; c++) {
for (auto [u, d] : st[c]) {
for (auto [f1, d1] : s[1][u]) {
ans[u] = min(ans[u], d + d1 + dep[f1]);
dep[f1] = min(dep[f1], d + d1);
}
}
for (auto [u, d] : st[c]) {
for (auto [f1, d1] : s[1][u]) {
dep[f1] = 1e18;
}
}
for (auto it = st[c].rbegin(); it != st[c].rend(); it++) {
auto [u, d] = *it;
for (auto [f1, d1] : s[1][u]) {
ans[u] = min(ans[u], d + d1 + dep[f1]);
dep[f1] = min(dep[f1], d + d1);
}
}
for (auto [u, d] : st[c]) {
for (auto [f1, d1] : s[1][u]) {
dep[f1] = 1e18;
}
}
}
for (int i = 1; i <= n; i++) {
cout << ans[i] << '\n';
}
return 0;
}
详细
answer.code:23:39: warning: bad option ‘-fwhole-program’ to pragma ‘optimize’ [-Wpragmas] 23 | #pragma GCC optimize("-fwhole-program") | ^ answer.code:30:41: warning: bad option ‘-fstrict-overflow’ to pragma ‘optimize’ [-Wpragmas] 30 | #pragma GCC optimize("-fstrict-overflow") | ^ answer.code:32:41: warning: bad option ‘-fcse-skip-blocks’ to pragma ‘optimize’ [-Wpragmas] 32 | #pragma GCC optimize("-fcse-skip-blocks") | ^ answer.code:46:51: warning: bad option ‘-funsafe-loop-optimizations’ to pragma ‘optimize’ [-Wpragmas] 46 | #pragma GCC optimize("-funsafe-loop-optimizations") | ^ answer.code:57:30: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 57 | void gsiz(int u, int fa, E *e) { | ^ answer.code:57:30: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:57:30: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:57:30: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] answer.code:67:56: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 67 | void frt(int u, int fa, int sm, int &rt, int &rsm, E *e) { | ^ answer.code:67:56: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:67:56: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:67:56: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] answer.code:87:52: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 87 | void fdp(int u, int fa, i64 dep, int rt, V *s, E *e) { | ^ answer.code:87:52: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:87:52: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:87:52: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] answer.code:96:27: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 96 | void dfs(int u, V *s, E *e) { | ^ answer.code:96:27: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:96:27: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:96:27: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] answer.code:116:15: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 116 | void bld(int x) { | ^ answer.code:116:15: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:116:15: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:116:15: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] answer.code:124:10: warning: bad option ‘-fwhole-program’ to attribute ‘optimize’ [-Wattributes] 124 | int main() { | ^ answer.code:124:10: warning: bad option ‘-fstrict-overflow’ to attribute ‘optimize’ [-Wattributes] answer.code:124:10: warning: bad option ‘-fcse-skip-blocks’ to attribute ‘optimize’ [-Wattributes] answer.code:124:10: warning: bad option ‘-funsafe-loop-optimizations’ to attribute ‘optimize’ [-Wattributes] In file included from /usr/include/c++/13/string:43, from /usr/include/c++/13/bitset:52, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52, from answer.code:49: /usr/include/c++/13/bits/allocator.h: In destructor ‘constexpr std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_Vector_impl::~_Vector_impl()’: /usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to ‘always_inline’ ‘constexpr std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = std::pair<int, int>]’: target specific option mismatch 184 | ~allocator() _GLIBCXX_NOTHROW { } | ^ In file included from /usr/include/c++/13/vector:66, from /usr/include/c++/13/functional:64, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53: /usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here 133 | struct _Vector_impl | ^~~~~~~~~~~~