QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#343585 | #8055. Balance | ucup-team191# | WA | 95ms | 20224kb | C++23 | 3.0kb | 2024-03-02 19:46:23 | 2024-03-02 19:46:23 |
Judging History
answer
#include <cstdio>
#include <cstring>
#include <vector>
#include <map>
#include <set>
#include <vector>
#include <algorithm>
#define X first
#define Y second
#define PB push_back
using namespace std;
typedef pair < int, int > pii;
const int N = 1e5 + 500;
vector < pii > v[N];
vector < int > t[N];
int n, m, dep[N], up[N], L[N], R[N], tme, brid[N], siz[N], par[N], a[N];
vector < int > dobar[N], saz;
set < int > mogu[N];
map < int, int > rek[N];
void span(int x, int lst) {
up[x] = dep[x]; L[x] = tme++;
siz[x] = 1;
for(auto &[y, ind] : v[x]) {
if(ind == lst) continue;
if(dep[y] != -1) {
up[x] = min(up[x], dep[y]);
} else {
dep[y] = dep[x] + 1;
t[x].PB(y); par[y] = x;
span(y, ind);
siz[x] += siz[y];
}
}
R[x] = tme - 1;
}
int odredi(int x) {
int naj = up[x];
for(int y : t[x]) {
naj = min(naj, odredi(y));
}
if(naj >= dep[x]) {
brid[x] = 1;
}
return naj;
}
int cnt[N], sol[N];
int sijece(int l, int r, set < int > &S) {
if(l > r) {
int L = sijece(0, r, S);
if(L != -1) return L;
return sijece(l, n - 1, S);
}
if(S.lower_bound(l) != S.upper_bound(r)) {
return *S.lower_bound(l);
}
return -1;
}
int fin[2 * N];
void solve() {
scanf("%d%d", &n, &m);
saz.clear(); tme = 0;
for(int i = 0;i <= n;i++) {
v[i].clear(), t[i].clear(), dep[i] = -1, up[i] = N;
dobar[i].clear(); brid[i] = 0; mogu[i].clear(); rek[i].clear();
cnt[i] = 0;
}
for(int i = 0;i <= 2 * n;i++) fin[i] = 0;
for(int i = 0;i < m;i++) {
int x, y; scanf("%d%d", &x, &y);
v[x].PB({y, i});
v[y].PB({x, i});
}
dep[1] = 0;
span(1, -1);
odredi(1);
dobar[n].PB(0);
for(int i = 2;i <= n;i++) {
if(brid[i]) {
dobar[siz[i]].PB(L[i]);
dobar[n - siz[i]].PB((R[par[i]] + 1) % n);
}
}
for(int i = 0;i < n;i++) {
scanf("%d", a + i); saz.PB(a[i]);
}
sort(saz.begin(), saz.end());
saz.erase(unique(saz.begin(), saz.end()), saz.end());
for(int i = 0;i < n;i++) {
cnt[lower_bound(saz.begin(), saz.end(), a[i]) - saz.begin()]++;
}
int k = (int)saz.size();
for(int i = 1;i < k;i++) cnt[i] += cnt[i - 1];
for(int x : dobar[cnt[0]]) mogu[0].insert(x);
if(k == 1) {
printf("Yes\n");
for(int i = 1;i <= n;i++)
printf("%d ", saz[0]);
printf("\n");
return;
}
for(int i = 1;i + 1 < k;i++) {
for(int x : dobar[cnt[i]]) {
int ret = sijece(x, (x + (cnt[i] - cnt[i - 1]) % n), mogu[i - 1]);
if(ret != -1) {
rek[i][x] = ret; mogu[i].insert(x);
}
}
}
if(mogu[k - 2].empty()) {
printf("No\n");
return;
}
int sad = *mogu[k - 2].begin();
for(int i = k - 2;i >= 0;i--) {
fin[sad]++;
fin[sad + cnt[i]]--;
sad = rek[i][sad];
}
for(int i = 1;i < 2 * n;i++) fin[i] += fin[i - 1];
for(int i = 1;i <= n;i++) {
sol[i] = saz[k - fin[L[i]] - fin[L[i] + n] - 1];
}
printf("Yes\n");
for(int i = 1;i <= n;i++)
printf("%d ", sol[i]);
printf("\n");
}
int main() {
int T; scanf("%d", &T);
for(;T--;) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 5ms
memory: 20224kb
input:
5 5 4 1 2 2 3 3 4 4 5 1 2 3 4 5 5 4 1 2 1 3 1 4 1 5 1 2 3 4 5 5 4 1 2 1 3 1 4 1 5 1 2 2 2 3 5 6 1 2 1 2 2 3 3 4 4 5 3 5 1 2 1 2 1 2 2 1 2 1 2 1 2
output:
Yes 1 2 3 4 5 No Yes 2 1 2 2 3 Yes 2 2 1 1 1 No
result:
ok ok (5 test cases)
Test #2:
score: -100
Wrong Answer
time: 95ms
memory: 20216kb
input:
100000 4 3 4 2 1 3 2 1 2 1 3 2 5 7 2 5 5 3 2 3 5 1 4 3 2 4 4 3 1 3 1 1 2 3 2 2 1 2 3 1 1 1 4 7 3 4 1 4 2 3 4 3 4 2 3 1 4 3 2 3 3 2 4 6 2 4 3 1 1 2 1 2 2 3 4 2 1 1 3 3 4 7 3 2 4 2 1 2 3 4 3 2 2 4 3 4 2 1 1 1 5 5 3 2 1 5 4 5 4 3 2 1 1 2 2 3 2 3 5 2 3 1 3 3 1 3 1 2 1 3 2 3 2 3 2 1 2 1 1 2 1 1 2 3 2 1 1...
output:
Yes 2 2 1 3 No Yes 1 1 1 No No Yes 2 1 1 1 No No Yes 1 1 Yes 1 1 Yes 1 1 Yes 1 1 1 1 No Yes 1 1 1 1 1 Yes 1 1 3 1 1 Yes 1 1 1 Yes 1 2 Yes 1 1 1 1 1 Yes 1 2 No Yes 1 1 Yes 1 1 1 Yes 1 1 Yes 1 1 1 1 Yes 1 1 Yes 2 2 2 2 2 Yes 1 1 1 1 1 Yes 1 1 Yes 1 2 1 1 No Yes 1 1 No Yes 1 1 N...
result:
wrong answer max - min = 2, but sum of difference = 6 (test case 15)