QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#574365 | #9315. Rainbow Bracket Sequence | yzj123 | TL | 3ms | 3892kb | C++14 | 2.9kb | 2024-09-18 21:45:48 | 2024-09-18 21:45:48 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
int read()
{
int res = 0, bj = 1;
char ch = getchar();
while (ch < '0' || ch > '9')
{
if (ch == '-') bj = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9')
{
res = res * 10 + ch - '0';
ch = getchar();
}
return res * bj;
}
const int MAXN = 105, inf = 1e13 + 5;
int s, t, tot;
int n, m;
int lim[MAXN], col[MAXN];
int p1[MAXN << 1], p2[MAXN << 1];
int a[MAXN], val[MAXN], chk[MAXN];
int maxf, maxc;
struct Edge {
int nxt, to, w, c;
}e[1000005];
int cnt = 1, h[MAXN * 10];
void addedge(int x, int y, int w, int c)
{
e[++cnt] = (Edge){h[x], y, w, c};
h[x] = cnt;
e[++cnt] = (Edge){h[y], x, 0, -c};
h[y] = cnt;
}
int dis[MAXN << 3], vis[MAXN << 3];
int pre[MAXN << 3];
void clear()
{
for (int i = 1; i <= tot; i++) h[i] = 0;
cnt = 1;
}
int spfa()
{
for (int i = 1; i <= tot; i++) dis[i] = -1e15, vis[i] = 0;
queue<int> q;
q.push(s);
vis[s] = 1;
dis[s] = 0;
while (q.size())
{
int u = q.front();
// cout << u << "\n";
q.pop();
vis[u] = 0;
for (int i = h[u]; i; i = e[i].nxt)
{
int v = e[i].to;
if (e[i].w != 0 && dis[v] < dis[u] + e[i].c)
{
dis[v] = dis[u] + e[i].c;
pre[v] = i;
if (!vis[v]) vis[v] = 1, q.push(v);
}
}
}
if (dis[t] != -1e15) return 1;
else return 0;
}
void EK()
{
while (spfa())
{
int minx = inf;
for (int i = t; i != s; i = e[pre[i] ^ 1].to)
{
// cout << "i:" << i << "\n";
// system("pause");
minx = min(minx, e[pre[i]].w);
}
// cout << minx << "\n";
// system("pause");
for (int i = t; i != s; i = e[pre[i] ^ 1].to)
{
e[pre[i]].w -= minx;
e[pre[i] ^ 1].w += minx;
}
// cout << "dis: " << dis[t] << "\n";
maxf += minx;
// cout << maxf << "\n";
maxc += minx * dis[t];
}
}
void solve()
{
int suml = 0;
s = 1, t = 2, tot = 2;
n = read(), m = read();
for (int i = 1; i <= m; i++)
{
lim[i] = read(), col[i] = ++tot;
suml += lim[i];
addedge(s, col[i], lim[i], 0);
}
chk[0] = 0;
for (int i = 1; i <= 2 * n; i++)
{
p1[i] = ++tot;
p2[i] = ++tot;
a[i] = read();
addedge(col[a[i]], p1[i], 1, 0);
addedge(s, p1[i], 1, -inf);
if (i > 1) addedge(p2[i - 1], p2[i], inf, 0);
if (i & 1)
{
chk[++chk[0]] = ++tot;
addedge(p2[i], chk[chk[0]], 1, 0);
addedge(chk[chk[0]], t, 1, 0);
}
}
for (int i = 1; i <= 2 * n; i++)
{
val[i] = read();
addedge(p1[i], p2[i], 1, val[i]);
}
maxf = maxc = 0;
EK();
int ans = maxc + (n - suml) * inf;
if (ans < 0) cout << -1 << "\n";
else cout << ans << "\n";
clear();
}
signed main()
{
int t = read();
while (t--) solve();
return 0;
}
/*
50
8 6
0 2 2 0 3 1
3 5 1 1 5 3 5 2 3 2 2 1 2 2 4 6
998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3640kb
input:
2 3 2 1 2 1 2 2 2 1 2 3 1 4 2 2 1 3 2 2 2 1 2 2 2 1 2 3 1 4 2 2 1
output:
9 -1
result:
ok 2 number(s): "9 -1"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3656kb
input:
50 8 6 0 2 2 0 3 1 3 5 1 1 5 3 5 2 3 2 2 1 2 2 4 6 998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375 1 1 1 1 1 343766215 374461155 3 1 2 1 1 1 1 1 1 796323508 303640854 701432076 853325162 610...
output:
-1 343766215 2351080746 3426965219 -1 -1 1351561190 2539318868 1013080942 4656646546 -1 -1 2231197660 2719131728 3983627641 4712174168 -1 1046749330 6115214757 3920988203 -1 3902088946 -1 2566553992 5268471900 5977120748 7505501534 -1 5054275471 1467678317 883992368 1044562986 -1 4024634503 -1 14472...
result:
ok 50 numbers
Test #3:
score: 0
Accepted
time: 1ms
memory: 3668kb
input:
25 20 4 0 0 0 1 2 2 2 2 4 4 4 1 2 2 2 1 3 4 1 3 4 4 3 1 3 2 1 4 2 2 4 1 2 2 3 3 4 1 3 1 4 1 2 1 569363376 821862673 89663213 862407789 442940149 823902948 903631686 838830270 645793571 397350060 806574247 373166844 448916252 435880456 969841293 998227951 276194969 654967687 396909705 696186514 16992...
output:
16418796680 10558213381 -1 1502390329 8534183652 13571062458 8007768610 12656453595 3378659874 8410746077 12352187024 5743130624 5952844559 2285684441 4242613506 836778846 4838639494 8586807028 8535185475 8089358175 5627473863 14399529671 -1 11483578919 4919631490
result:
ok 25 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
83 6 5 1 0 1 1 0 2 4 4 5 3 2 4 5 3 3 3 3 597659626 649040970 33207011 223207847 960704874 418600362 658594226 417168695 767527655 622701955 867509363 235369723 6 2 0 0 1 1 2 2 2 2 1 1 1 2 2 1 405752009 976807343 267881918 26193206 947664189 555835767 587219021 231445627 755417826 541362608 846129246...
output:
-1 4518989634 3550182642 4529809699 4042429510 4145000717 -1 3635082691 -1 -1 3476472607 3732904849 3631909633 4479534795 3586223781 3380039505 2946284506 3615784040 -1 -1 -1 4940773463 3195952843 4073152216 4177883697 3398540362 3578975642 4308395607 -1 3078447178 3069102942 3135294474 5256676097 -...
result:
ok 83 numbers
Test #5:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
71 7 4 0 1 0 4 3 4 1 1 4 4 2 4 1 1 1 4 4 4 580852652 638740575 585501313 439482552 637837864 335796176 447934224 259084035 778210267 469729886 908657968 750731414 508195022 701461051 7 6 0 1 1 0 0 1 3 2 4 3 5 3 1 1 5 4 3 1 6 1 198076752 601490845 123074777 392892100 148645775 938575995 355185760 558...
output:
4300550873 4711297430 -1 4468072610 4652801753 4661069155 5134971483 4367382968 4983190626 3065242360 -1 -1 4834379200 4355918462 -1 3592789392 3058869770 -1 3825913893 -1 4785350296 -1 4759459279 5342744097 4716826205 4873131448 5329193547 4821943641 3777324532 4115469556 -1 -1 -1 5061832610 520025...
result:
ok 71 numbers
Test #6:
score: 0
Accepted
time: 2ms
memory: 3892kb
input:
62 8 3 0 2 0 3 3 3 1 1 1 3 2 1 2 2 1 1 2 1 1 222368048 906033133 8623893 807375696 461796409 362923880 194114590 733391789 137574156 670510137 237249112 673135534 595041001 875171159 112263159 649035661 8 6 2 1 0 0 0 0 3 5 2 2 1 3 3 3 6 4 5 5 1 2 5 4 28938721 556768926 23366504 887715271 624732370 3...
output:
5349781905 4269103485 4384563617 5171071054 4895598910 4667548481 -1 4157414045 -1 3927911942 -1 5127481462 5534185037 6071114899 4515756162 5965926191 -1 5617252300 5920664214 5826871785 5730385164 5947153970 5426721265 5820040011 5677486289 5193366586 6129016249 5739984903 5993708705 5520537026 54...
result:
ok 62 numbers
Test #7:
score: 0
Accepted
time: 2ms
memory: 3852kb
input:
55 9 9 2 2 0 0 0 0 0 2 0 6 2 3 9 5 4 2 4 1 1 4 7 1 4 5 8 6 2 907208811 754008138 161288468 562810007 149992530 997421612 144383292 832081887 228097972 446662965 77258752 375836694 743196568 527846851 580675905 438791943 977960026 39388076 9 6 0 1 0 0 0 0 5 3 3 4 3 6 5 4 6 5 2 5 6 5 5 1 2 2 861149655...
output:
-1 5600105080 -1 7505123959 7048625501 4827971490 -1 7031642652 -1 6001013535 -1 -1 6353971413 5896906204 3896102243 6540293759 5621534278 6599175212 -1 6721932183 6965230904 5681597954 8167088460 5632185532 -1 4750725522 6285591217 6320310809 6388859035 4686377743 5728065266 5503485599 6260485694 6...
result:
ok 55 numbers
Test #8:
score: 0
Accepted
time: 2ms
memory: 3848kb
input:
50 10 8 0 0 1 0 0 0 1 0 1 6 7 7 2 2 1 1 3 1 1 3 7 5 4 1 8 4 7 2 535526356 404334728 653535984 998133227 879226371 59632864 356493387 62611196 827258251 296576565 204244054 812713672 780267148 614679390 447700005 102067050 544546349 116002772 761999375 546951131 10 5 0 0 1 1 0 4 5 5 3 5 1 3 3 5 1 1 5...
output:
7267674502 6912276073 -1 -1 8427372986 -1 7057744914 6452405474 7564223610 7193916415 -1 5496837745 6671753900 7137256654 6574886409 7690341704 7357840728 8164970807 7172570060 6778745196 7668051341 6936083804 7305907682 7631088969 5717910532 6156605721 6923807013 -1 8207034493 -1 7418567782 6923770...
result:
ok 50 numbers
Test #9:
score: 0
Accepted
time: 2ms
memory: 3584kb
input:
33 15 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 985238289 459697693 970988548 370603489 160471107 36299429 908579552 62669495 649913003 478356148 805843616 136680216 158560673 261854484 857048420 32835236 430050478 327696352 417017537 857880465 568473106 750242567 865990206 869...
output:
11069294141 9757752433 10517453854 10675484732 9851733289 11571987501 10382709663 11006679388 9835650684 10482963923 10190220836 11857634113 -1 -1 10077553084 9896319722 11821564137 11828952526 9761971634 9940132164 -1 -1 9227926173 13037241524 11565236192 11800412693 12028054248 11502933189 9949512...
result:
ok 33 numbers
Test #10:
score: 0
Accepted
time: 3ms
memory: 3604kb
input:
25 20 20 3 0 0 1 0 0 0 0 0 3 0 0 1 2 0 1 0 2 2 4 12 19 17 19 14 5 16 6 6 20 13 2 14 7 19 16 17 7 13 16 9 6 5 16 13 13 9 9 8 6 10 11 20 7 4 12 16 13 11 9 654967687 396909705 696186514 169923749 8142639 81507010 67587218 966803487 991350519 551259762 962079443 918589 708293964 213990501 934701547 8468...
output:
-1 14023274173 12588200963 13988453624 15030243485 13076569052 -1 -1 13842307153 -1 12832546330 14189266584 16492323989 16163650514 14012035305 -1 -1 -1 13929001098 13862644942 -1 15246522629 -1 13299413733 -1
result:
ok 25 numbers
Test #11:
score: -100
Time Limit Exceeded
input:
5 100 15 3 5 8 6 7 7 5 3 2 6 5 3 11 4 8 8 13 6 13 2 3 1 8 15 12 13 14 10 12 4 4 8 8 9 2 15 3 4 10 8 5 2 5 11 11 2 13 10 7 12 11 4 2 9 4 15 5 15 13 9 6 7 6 2 12 6 1 6 13 9 7 2 2 11 11 10 1 3 12 8 7 2 13 2 5 3 13 5 11 5 2 3 1 14 7 11 5 11 2 14 2 14 6 4 6 3 8 14 4 8 3 14 10 7 8 3 6 3 10 4 15 1 7 7 15 7...