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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 |
---|---|---|---|---|---|---|---|---|---|
#125506 | #5828. 游戏 | orz_z | 0 | 489ms | 89884kb | C++14 | 6.3kb | 2023-07-16 19:37:46 | 2023-07-16 19:37:48 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int long long
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef double db;
#define F(i, a, b) for(int i = a; i <= (b); ++i)
#define F2(i, a, b) for(int i = a; i < (b); ++i)
#define each(i, v) for(auto i : v)
#define dF(i, a, b) for(int i = a; i >= (b); --i)
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define Debug debug("Passing [%s] in LINS %d\n", __FUNCTION__, __LINE__)
#define pb push_back
#define fi first
#define se second
#define Mry debug("%.3lf MB\n", (&Mbe - &Med) / 1048576.0)
#define Try cerr << 1e3 * clock() / CLOCKS_PER_SEC << " ms\n";
typedef long long ll;
// namespace Fread {const int SIZE = 1 << 17; char buf[SIZE], *S, *T; inline char getchar() {if (S == T) {T = (S = buf) + fread(buf, 1, SIZE, stdin); if (S == T) return '\n';} return *S++;}}
// namespace Fwrite {const int SIZE = 1 << 17; char buf[SIZE], *S = buf, *T = buf + SIZE; inline void flush() {fwrite(buf, 1, S - buf, stdout), S = buf;} inline void putchar(char c) {*S++ = c;if (S == T) flush();} struct NTR {~NTR() {flush();}} ztr;}
// #ifdef ONLINE_JUDGE
// #define getchar Fread::getchar
// #define putchar Fwrite::putchar
// #endif
inline int ri() {
int x = 0;
bool t = 0;
char c = getchar();
while (c < '0' || c > '9') t |= c == '-', c = getchar();
while (c >= '0' && c <= '9') x = (x << 3) + (x << 1) + (c ^ 48), c = getchar();
return t ? -x : x;
}
inline void wi(int x) {
if (x < 0) {
putchar('-'), x = -x;
}
if (x > 9) wi(x / 10);
putchar(x % 10 + 48);
}
inline void wi(int x, char s) {
wi(x), putchar(s);
}
bool Mbe;
const int mod = 998244353;
const int inf = 0x3f3f3f3f;
const ll infll = 0x3f3f3f3f3f3f3f3f;
const int _ = 2e5 + 5;
namespace GAME {
int n, q;
vi d[_];
namespace Tree {
int f[20][_], dep[_];
void dfs(int u, int fa) {
dep[u] = dep[fa] + 1, f[0][u] = fa;
for(int v : d[u]) if(v != fa) dfs(v, u);
}
void init() {
dfs(1, 0);
F(i, 1, 19) F(j, 1, n) f[i][j] = f[i - 1][f[i - 1][j]];
}
int jump(int x, int d) {
dF(i, 19, 0) if((d >> i) & 1) x = f[i][x];
return x;
}
int LCA(int u, int v) {
if(dep[u] < dep[v]) swap(u, v);
dF(i, 19, 0) if(dep[f[i][u]] >= dep[v]) u = f[i][u];
if(u == v) return u;
dF(i, 19, 0) if(f[i][u] != f[i][v]) u = f[i][u], v = f[i][v];
return f[0][u];
}
int Dis(int u, int v) {
return dep[u] + dep[v] - (dep[LCA(u, v)] << 1);
}
}
namespace HG {
struct node {
int ln, v, v2;
node() {
}
node(int Ln = 0, int V = 0, int V2 = 0) {
ln = Ln, v = V, v2 = V2;
}
};
vector<node> g[_];
int len[_], p[_], p2[_];
int dfs(int u, int fa) {
g[u].clear();
len[u] = 0;
int p = 0;
for(int v : d[u]) if(v != fa){
int w = dfs(v, u);
if(len[u] < len[v] + 1) {
len[u] = len[v] + 1;
p = w;
}
g[u].pb(node(len[v] + 1, v, w));
}
sort(g[u].begin(), g[u].end(), [&](node a, node b) { return a.ln > b.ln; });
while(g[u].size() > 3) g[u].pop_back();
while(g[u].size() < 3) g[u].pb(node(0, 0, u));
if(d[u].size() == 1) return u;
else return p;
}
void dfs2(int u, int fa, int ln, int k) {
if(fa && ln && k) {
g[u].pb(node(ln, fa, k));
sort(g[u].begin(), g[u].end(), [&](node a, node b) { return a.ln > b.ln; });
}
while(g[u].size() > 3) g[u].pop_back();
while(g[u].size() < 3) g[u].pb(node(0, 0, 0));
int nw = 0, nw2 = 0;
for(int v : d[u]) if(v != fa) {
nw = 0;
if(g[u][0].v == v) nw = g[u][1].ln, nw2 = g[u][1].v2;
else nw = g[u][0].ln, nw2 = g[u][0].v2;
dfs2(v, u, nw + 1, nw2);
}
}
void init() {
dfs(1, 0), dfs2(1, 0, 0, 0);
}
}
namespace CDQ {
int as[_], tot;
struct qry {
int x, y, z, d, a, b, c; // a--u, b -- v, c -- w
vector<pii> g;
int pos[3];
qry() {}
qry(int X, int Y, int Z) {
x = X, y = Y, z = Z;
d = (x + y + z) / 2;
a = d - z, b = d- y, c = d - x;
g.pb({a, 0}), g.pb({b, 1}), g.pb({c, 2});
sort(g.begin(), g.end(), [&](pii a, pii b) { return a > b; });
F(i, 0, 2) pos[g[i].se] = i;
}
} qr[_];
// find u, st. g[u][0] >= a, g[u][1] >= b, g[u][c] >= c
struct node {
int a, b, c, id;
} t[_], qr2[_], T[_ << 1];
void solve(int l, int r) {
if(l == r) return;
int mid = (l + r) >> 1;
solve(l, mid), solve(mid + 1, r);
int mx = 0, Id = 0, R = r + 1;
F(i, l, mid) if(T[i].id < 0) {
while(R - 1 >= mid + 1 && (T[R - 1].id < 0 || T[R - 1].b >= T[i].b)) {
R--;
if(T[R].b >= T[i].b) if(T[R].c > mx) { mx = T[R].c, Id = T[r].id; }
}
if(Id > 0 && mx >= T[i].c) as[-T[i].id] = Id;
}
sort(T + l, T + r + 1, [&](node a, node b) { return (a.b == b.b) ? a.c < b.c : a.b < b.b; });
}
void init() {
F(i, 1, n) t[i].a = HG::g[i][0].ln, t[i].b = HG::g[i][1].ln, t[i].c = HG::g[i][2].ln, t[i].id = i;
F(i, 1, q) qr2[i].a = qr[i].g[0].fi, qr2[i].b = qr[i].g[1].fi, qr2[i].c = qr[i].g[2].fi, qr2[i].id = i;
F(i, 1, n) T[i] = t[i];
tot = n;
F(i, 1, q) T[++tot] = (node){qr2[i].a, qr2[i].b, qr2[i].c, -qr2[i].id};
sort(T + 1, T + tot + 1, [&](node a, node b) {
if(a.a == b.a) {
if(a.b == b.b) return a.c < b.c;
return a.b < b.b;
} return a.a < b.a;
});
solve(1, tot);
}
}
namespace Gas {
int ans[_][3];
void init() {
F(i, 1, q) {
int x = CDQ::as[i];
F(j, 0, 2) {
// cout << i << " :: " << x <<"!!\n";
// assert(HG::g[x][j].ln >= CDQ::qr[i].g[j].fi);
if(HG::g[x][j].ln == 0) {
ans[i][j] = x;
}
else if(HG::g[x][j].v == Tree::f[0][x]) {
ans[i][j] = (CDQ::qr[i].g[j].fi < Tree::dep[x]) ? Tree::jump(x, CDQ::qr[i].g[j].fi) : Tree::jump(HG::g[x][j].v2, HG::g[x][j].ln - CDQ::qr[i].g[j].fi);
} else {
ans[i][j] = Tree::jump(HG::g[x][j].v2, HG::g[x][j].ln - CDQ::qr[i].g[j].fi);
}
}
}
F(i, 1, q) cout << ans[i][CDQ::qr[i].pos[0]] << ' ' << ans[i][CDQ::qr[i].pos[1]] << ' ' << ans[i][CDQ::qr[i].pos[2]] << '\n';
}
}
} using namespace GAME;
bool Med;
signed main() {
// Mry;
n = ri();
F(i, 1, n - 1) {
int u = ri(), v =ri();
d[u].pb(v), d[v].pb(u);
}
Tree::init(), HG::init();
q = ri();
F(i, 1, q) {
int x = ri(), y = ri(), z = ri();
CDQ::qr[i] = CDQ::qry(x, y, z);
}
CDQ::init();
Gas::init();
// Try;
return 0;
}
详细
Test #1:
score: 0
Runtime Error
input:
500 279 196 182 105 400 14 278 217 198 411 379 318 120 421 314 95 437 325 23 433 71 485 192 154 90 224 180 71 328 93 183 101 404 349 223 285 492 100 366 480 29 328 200 448 365 156 226 231 129 167 246 273 171 452 284 6 131 471 229 90 480 48 448 157 240 221 7 36 401 200 255 438 436 110 281 489 388 258...
output:
result:
Test #2:
score: 0
Wrong Answer
time: 7ms
memory: 51092kb
input:
2000 643 1871 689 23 1822 1443 1031 1027 1655 845 189 771 1561 498 19 1778 576 1080 904 717 1690 291 1387 1077 398 811 1310 1231 645 1291 480 927 330 170 1464 1057 1033 894 1308 288 1292 1529 1212 122 1108 401 89 1118 1058 1088 1764 1314 981 1255 1893 864 180 1887 1903 843 734 1412 883 1013 1739 124...
output:
755 308 1897 44 706 426 1217 308 1108 1686 853 308 620 696 1708 612 417 1458 384 1337 0 668 1234 1878 1205 158 200 898 1454 1028 223 620 910 761 1790 908 726 1208 1217 1453 1122 1917 1995 1122 1193 1973 1708 574 1917 1708 696 25 1234 871 1094 469 518 1254 307 436 696 1317 608 1334 1095 1995 1416 978...
result:
wrong answer Integer 0 violates the range [1, 2000]
Test #3:
score: 0
Wrong Answer
time: 204ms
memory: 77512kb
input:
200000 56968 132021 105656 107536 123627 58349 119191 138198 133708 142638 114350 24980 137784 40346 124158 130204 80684 183207 78156 94449 21893 157560 54464 73571 145830 57756 160288 32120 178632 142663 26565 185985 70576 24906 32217 115826 185756 137673 54280 179613 77826 144447 66005 29955 11745...
output:
109973 45334 140503
result:
wrong answer Wrong answer on test 1
Test #4:
score: 0
Wrong Answer
time: 181ms
memory: 76948kb
input:
200000 41999 100683 85781 129266 122431 179332 162416 44814 24405 42267 154161 12483 178049 159964 67625 152391 133072 25866 178005 14695 94384 170290 54701 40323 66280 128515 159022 55057 14985 12920 182805 40659 173117 67973 99771 26102 198919 94543 23608 187601 61125 5759 89437 47647 18142 192402...
output:
13142 183791 14914
result:
wrong answer Wrong answer on test 1
Test #5:
score: 0
Wrong Answer
time: 205ms
memory: 77568kb
input:
200000 195072 75458 31991 127114 60943 49502 186375 1130 45394 147217 168455 84307 132752 188952 101108 130004 107490 22003 16275 187645 111002 42669 138880 137115 112688 172751 81697 99037 166996 18495 2234 56119 170807 101349 105736 23180 148159 40863 136678 11849 190707 91245 61779 120740 157115 ...
output:
148343 180626 62890 194885 180626 107125 154519 180626 176607 131651 19042 113547 15675 193811 180626 180626 116886 199941 180626 30376 2909 20154 143279 180626 12129 29287 180626 52298 180626 59988
result:
wrong answer Wrong answer on test 1
Test #6:
score: 0
Wrong Answer
time: 200ms
memory: 77856kb
input:
200000 48556 78408 155026 9376 8983 61211 150393 85068 90892 109283 75746 89742 6760 187245 168658 130735 68602 127646 60802 149828 22898 59471 172845 100274 42303 190696 7612 134905 94702 59800 129633 192496 19903 64869 51318 63358 34692 66030 98535 176606 153647 177529 157903 147292 106273 107278 ...
output:
15491 128876 41188 96840 15491 180477 48796 120953 15491 4586 15491 140653 15491 113657 84256 34287 15491 188253 50464 53904 15491 5679 11007 15491 7069 121303 15491 15491 39250 151671
result:
wrong answer Wrong answer on test 1
Test #7:
score: 0
Runtime Error
input:
200000 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52 5...
output:
result:
Test #8:
score: 0
Runtime Error
input:
200000 5732 55198 128966 25317 114737 116391 150003 18274 43867 70745 76222 4169 55976 114951 198396 72896 38647 19711 12756 172119 73197 117994 117512 14177 130965 126990 119440 183341 142023 60829 111893 57350 122754 123305 36525 79077 36447 91967 135405 170456 165839 147481 66074 175822 22238 264...
output:
result:
Test #9:
score: 0
Wrong Answer
time: 489ms
memory: 89884kb
input:
200000 185063 17064 180987 114492 88071 71803 158363 135918 60910 54848 97338 6734 192937 9410 49617 199068 82499 63554 188791 188152 178767 40866 11304 27212 144234 138097 42236 3946 103355 12683 50992 20598 145723 48620 11709 115688 123172 121379 70541 130844 147827 39431 139372 61280 42705 54015 ...
output:
49875 76313 68003 76313 37925 61171 76313 38292 126111 65911 2279 76313 26612 195547 76313 159994 11073 76313 91862 76313 2505 76313 41498 67401 76313 189700 95631 130302 74744 76313 156153 18776 76313 92880 76313 15180 124884 30626 76313 17975 199835 76313 165109 159411 76313 133077 76313 34635 867...
result:
wrong answer Wrong answer on test 1
Test #10:
score: 0
Wrong Answer
time: 469ms
memory: 89800kb
input:
200000 197244 185999 18639 124754 154223 12099 53676 167616 22710 22294 150412 66132 19320 75478 170410 122661 130961 175554 171586 85572 188386 81238 120249 117687 43214 126266 8744 165654 164725 189519 124144 170329 86605 100197 130545 17030 113301 96665 67733 187286 37846 146399 75352 117550 3235...
output:
192808 0 145457 0 131379 11770 0 198066 54124 145459 0 35073 0 26583 83872 128457 40114 0 119620 54520 0 3827 85851 0 171216 172226 0 0 164705 69734 0 24097 138610 198328 65287 0 161306 0 8926 77641 182500 127217 0 132435 151427 0 170884 79895 26633 107595 0 132018 0 8054 76008 0 136788 0 198088 364...
result:
wrong answer Integer 0 violates the range [1, 200000]