QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#473301 | #5828. 游戏 | LinkZelda | 100 ✓ | 91ms | 69652kb | C++14 | 2.6kb | 2024-07-12 00:57:15 | 2024-07-12 00:57:15 |
Judging History
answer
#include<bits/stdc++.h>
#define pr pair<int,int>
#define eps 1e-10
#define int long long
using namespace std;
inline int read()
{
int x=0,f=1;char ch=getchar();
while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
while(isdigit(ch)){x=(x*10+ch-'0');ch=getchar();}
return x*f;
}
const int N=200005;
int head[N],to[N*2],nxt[N*2],cnt;
void add(int u,int v)
{
to[++cnt]=v;
nxt[cnt]=head[u];
head[u]=cnt;
}
int n,q;
int fa[N],dep[N],lg[N],st[21][N],maxx[N],rt;
bool vis[N];
vector<int>awa,qwq[N];
void dfs(int now,int fath)
{
dep[now]=dep[fath]+1;
if(dep[now]>dep[rt])
rt=now;
fa[now]=fath;
for(int i=head[now];i;i=nxt[i])
{
int v=to[i];
if(v==fath||vis[v])
continue;
dfs(v,now);
}
}
int a[4],p[4];
int query(int l,int r)
{
int len=lg[r-l+1];
return (maxx[st[len][l]]>maxx[st[len][r-(1<<len)+1]])?st[len][l]:st[len][r-(1<<len)+1];
}
void solve()
{
n=read();
for(int i=1;i<n;i++)
{
int u=read(),v=read();
add(u,v),add(v,u);
}
rt=0;
dfs(1,0);
dfs(rt,0);
while(rt)
vis[rt]=1,awa.push_back(rt),rt=fa[rt];
for(int i=2;i<=n;i++)
lg[i]=lg[i>>1]+1;
for(int i=0;i<(int)awa.size();i++)
{
rt=0;dep[0]=-1;
dfs(awa[i],0);
st[0][i+1]=i;
maxx[i]=dep[rt];
while(rt!=awa[i])
qwq[i].push_back(rt),rt=fa[rt];
qwq[i].push_back(rt);
reverse(qwq[i].begin(),qwq[i].end());
}
int len=awa.size();
for(int i=1;i<=20;i++)
for(int j=1;j+(1<<i)-1<=len;j++)
st[i][j]=(maxx[st[i-1][j]]>maxx[st[i-1][j+(1<<(i-1))]])?st[i-1][j]:st[i-1][j+(1<<(i-1))];
q=read();
while(q--)
{
for(int i=1;i<=3;i++)
a[i]=read(),p[i]=i;
sort(p+1,p+4,[&](int x,int y){return a[x]>a[y];});
int u,v,w;
int dis1=(a[p[2]]-a[p[3]]+a[p[1]])/2,dis2=a[p[1]]-dis1;
int ovo=query(dis1+1,len-dis2);
if(maxx[ovo]>=a[p[2]]-dis1)
{
// printf("!!!!%lld %lld\n",awa[ovo],maxx[ovo]);
u=awa[ovo-dis1];
v=awa[ovo+dis2];
w=qwq[ovo][a[p[2]]-dis1];
}
else
{
ovo=query(dis2+1,len-dis1);
// printf("!!!%lld %lld\n",awa[ovo],maxx[ovo]);
u=awa[ovo+dis1];
v=awa[ovo-dis2];
w=qwq[ovo][a[p[2]]-dis1];
}//(u,v) (u,w) (v,w)
if(p[1]==1&&p[2]==2)
printf("%lld %lld %lld\n",u,v,w);
if(p[1]==1&&p[2]==3)
printf("%lld %lld %lld\n",v,u,w);
if(p[1]==2&&p[2]==1)
printf("%lld %lld %lld\n",u,w,v);
if(p[1]==2&&p[2]==3)
printf("%lld %lld %lld\n",v,w,u);
if(p[1]==3&&p[2]==1)
printf("%lld %lld %lld\n",w,u,v);
if(p[1]==3&&p[2]==2)
printf("%lld %lld %lld\n",w,v,u);
}
}
signed main()
{
// freopen("sum.in","r",stdin);
// freopen("sum.out","w",stdout);
int Tests=1;
while(Tests--)
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 10
Accepted
time: 0ms
memory: 24132kb
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:
421 175 463 93 47 190 333 236 175 343 209 473 39 190 57 30 110 333 343 246 7 203 430 49 179 39 93 328 28 435 305 49 378 487 150 463 253 110 430 423 108 120 125 242 175 49 273 378 413 28 478 60 417 476 253 148 493 158 202 36 215 57 401 493 227 406 333 120 439 127 169 311 305 215 406 110 139 390 123 4...
result:
ok Accepted!
Test #2:
score: 10
Accepted
time: 3ms
memory: 30648kb
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:
798 1000 175 231 898 1242 1050 1000 1105 258 1600 1337 1540 1591 1763 1285 646 120 1995 970 1738 1563 565 1672 1390 440 1095 339 1053 439 850 1540 1999 836 413 471 1574 910 1050 1201 572 152 1630 572 977 134 1152 174 152 1152 1343 1636 848 964 393 1118 86 1848 1734 1948 1343 974 145 1458 211 1630 14...
result:
ok Accepted!
Test #3:
score: 10
Accepted
time: 51ms
memory: 43348kb
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:
6740 173803 167377
result:
ok Accepted!
Test #4:
score: 10
Accepted
time: 56ms
memory: 43272kb
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:
82066 7276 199629
result:
ok Accepted!
Test #5:
score: 10
Accepted
time: 55ms
memory: 44288kb
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:
42943 98198 35469 17965 62489 120229 19128 64637 17387 129196 118391 75453 96028 74366 93926 47753 193552 124636 86727 124776 193560 36173 21360 118748 16928 105792 116603 80802 106757 97478
result:
ok Accepted!
Test #6:
score: 10
Accepted
time: 56ms
memory: 44140kb
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:
160968 71887 172972 68776 27494 155718 134802 99663 157918 135638 139436 15491 147837 188731 19984 75607 19769 187886 4746 57897 148651 32668 166229 99352 132237 27861 51911 142520 121513 155540
result:
ok Accepted!
Test #7:
score: 10
Accepted
time: 90ms
memory: 69652kb
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:
54356 200000 137052 200000 170197 131241 84517 200000 179296 183330 163219 200000 158370 200000 194345 85385 171870 200000 143829 200000 85216 200000 122372 28132 200000 25711 157674 200000 179037 24813 200000 197101 57460 117928 178289 200000 200000 179418 195973 22762 116045 200000 100818 200000 1...
result:
ok Accepted!
Test #8:
score: 10
Accepted
time: 80ms
memory: 43244kb
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:
197325 197325 62931 197325 197325 155225 76081 76081 197926 197325 197325 173619 197325 197325 176507 197325 197325 157250 197325 197325 80952 197325 197325 26834 197325 197325 13198 197325 197325 6019 197325 197325 152815 197325 197325 148642 197325 197325 193253 197325 197325 87746 197325 197325 7...
result:
ok Accepted!
Test #9:
score: 10
Accepted
time: 91ms
memory: 43564kb
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:
80097 34708 81596 147087 56002 142950 104657 175190 140544 26871 68813 102483 66610 120520 160376 119681 178802 87450 95574 177939 173324 196768 107997 93428 155312 102188 165590 75873 188561 184300 60384 123039 66285 31618 98649 113665 151223 16594 71093 3957 182002 80938 82137 178243 159894 99825 ...
result:
ok Accepted!
Test #10:
score: 10
Accepted
time: 90ms
memory: 42584kb
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:
46612 115995 19487 95761 11770 131379 2614 109635 143204 25740 146957 128773 41838 39603 83393 163893 1353 78456 130689 166930 162505 35922 151246 94060 21175 41973 74478 137988 108490 126401 73735 90970 182873 17316 118619 100001 77703 8619 156309 95660 168939 35969 17492 38268 22990 172124 50538 8...
result:
ok Accepted!
Extra Test:
score: 0
Extra Test Passed