QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#125495 | #5828. 游戏 | orz_z | 0 | 741ms | 77424kb | C++14 | 5.6kb | 2023-07-16 19:03:41 | 2023-07-16 19:03:42 |
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) {
// assert(x), assert(d >= 0), assert(d < dep[x]);
// cout << "jump : " << x << ' ' << d << ' ';
dF(i, 19, 0) if((d >> i) & 1) x = f[i][x];
// cout << x << '\n';
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;
// while(!g[u].empty() && g[u].back() == 0) g[u].pop_back();
}
void dfs2(int u, int fa, int ln) {
if(fa && ln) {
g[u].pb(node(ln, fa, 0));
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;
for(int v : d[u]) if(v != fa) {
nw = 0;
if(g[u][0].v == v) nw = g[u][1].ln;
else nw = g[u][0].ln;
dfs2(v, u, nw + 1);
}
}
void init() {
dfs(1, 0), dfs2(1, 0, 0);
}
}
namespace CDQ {
int as[_];
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
void init() {
F(i, 1, q) {
F(j, 1, n) if(HG::g[j][0].ln >= qr[i].g[0].fi && HG::g[j][1].ln >= qr[i].g[1].fi && HG::g[j][2].ln >= qr[i].g[2].fi) {
as[i] = j; break;
}
}
}
}
namespace Gas {
int ans[_][3];
void init() {
F(i, 1, q) {
int x = CDQ::as[i];
F(j, 0, 2) {
assert(HG::g[x][j].ln >= CDQ::qr[i].g[j].fi);
if(HG::g[x][j].v2 == 0) {
cout << HG::g[x][j].ln << ' ' << HG::g[x][j].v << ' ' << HG::g[x][j].v2 << ' ' << Tree::f[0][x] << ' ' << CDQ::qr[i].g[j].fi << '\n';
// assert((HG::g[x][j].ln == 0 && HG::g[x][j].v == 0) || (HG::g[x][j].v == Tree::f[x][0] && HG::g[x][j].ln > 0));
ans[i][j] = Tree::jump(x, CDQ::qr[i].g[j].fi);
// if(!ans[i][j]) ans[i][j] = x;
} else {
ans[i][j] = Tree::jump(HG::g[x][j].v2, HG::g[x][j].ln - CDQ::qr[i].g[j].fi);
// if(!ans[i][j]) ans[i][j] = x;
}
}
}
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;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 47788kb
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:
53 110 0 110 43 54 200 0 200 35 53 110 0 110 38 54 200 0 200 25 54 200 0 200 50 54 200 0 200 26 54 200 0 200 37 54 200 0 200 35 54 200 0 200 34 54 200 0 200 20 54 200 0 200 43 72 490 0 490 37 54 200 0 200 47 53 110 0 110 40 54 200 0 200 27 54 200 0 200 36 23 492 0 492 21 54 200 0 200 30 54 200 0 200...
result:
wrong answer Integer 0 violates the range [1, 500]
Test #2:
score: 0
Wrong Answer
time: 8ms
memory: 47288kb
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:
320 272 0 272 101 151 577 0 577 100 81 1193 0 1193 80 320 272 0 272 163 151 577 0 577 51 151 577 0 577 46 124 761 0 761 100 151 577 0 577 26 151 577 0 577 30 151 577 0 577 68 151 577 0 577 31 151 577 0 577 18 151 577 0 577 63 151 577 0 577 45 151 577 0 577 61 151 577 0 577 51 151 577 0 577 51 151 57...
result:
wrong answer Integer 0 violates the range [1, 2000]
Test #3:
score: 0
Wrong Answer
time: 105ms
memory: 67192kb
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:
4239 174945 0 174945 1843 178310 71361 45838
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #4:
score: 0
Wrong Answer
time: 129ms
memory: 67364kb
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:
3676 29571 0 29571 1017 114360 24899 74592
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #5:
score: 0
Wrong Answer
time: 137ms
memory: 66216kb
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:
5096 74283 0 74283 1585 4742 149337 0 149337 4269 4300 149274 0 149274 1233 3587 178273 0 178273 3061 5096 74283 0 74283 1696 2567 96254 0 96254 1473 5096 74283 0 74283 1468 5096 74283 0 74283 1612 4300 149274 0 149274 1664 3938 147609 0 147609 1260 127511 1448 35530 0 137984 179117 130765 89886 119...
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #6:
score: 0
Wrong Answer
time: 139ms
memory: 63860kb
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:
2935 67881 0 67881 1091 3151 153306 0 153306 2082 3815 14013 0 14013 765 2935 67881 0 67881 1628 2935 67881 0 67881 1064 2935 67881 0 67881 1545 3096 43474 0 43474 2344 2935 67881 0 67881 1465 2935 67881 0 67881 1548 2935 67881 0 67881 1521 103373 133610 186702 138116 166333 11082 191314 176954 1479...
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #7:
score: 0
Time Limit Exceeded
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
Wrong Answer
time: 195ms
memory: 77424kb
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:
5037 197169 0 197169 4251 5037 197169 0 197169 4527 5037 197169 0 197169 4802 5037 197169 0 197169 4948 5037 197169 0 197169 4442 5037 197169 0 197169 4913 5037 197169 0 197169 4457 5037 197169 0 197169 4375 5037 197169 0 197169 4355 5037 197169 0 197169 4682 5037 197169 0 197169 4678 5037 197169 0 ...
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #9:
score: 0
Wrong Answer
time: 454ms
memory: 77292kb
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:
3342 153735 0 153735 2000 3089 68922 0 68922 1859 3089 68922 0 68922 1898 3342 153735 0 153735 2157 3342 153735 0 153735 1050 3089 68922 0 68922 1979 3342 153735 0 153735 1448 3342 153735 0 153735 1188 3342 153735 0 153735 1807 3342 153735 0 153735 1471 3342 153735 0 153735 2071 3342 153735 0 153735...
result:
wrong answer Integer 0 violates the range [1, 200000]
Test #10:
score: 0
Wrong Answer
time: 741ms
memory: 77284kb
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:
3713 88878 0 88878 1277 2714 95660 0 95660 834 2714 95660 0 95660 1383 2714 95660 0 95660 927 3694 19304 0 19304 1329 2714 95660 0 95660 718 3713 88878 0 88878 552 2714 95660 0 95660 940 3694 19304 0 19304 1133 3713 88878 0 88878 763 2714 95660 0 95660 1213 3694 19304 0 19304 1234 2714 95660 0 95660...
result:
wrong answer Integer 0 violates the range [1, 200000]