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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#348626 | #8338. Quad Kingdoms Chess | ucup-team191# | WA | 1ms | 4460kb | C++23 | 3.2kb | 2024-03-09 20:05:33 | 2024-03-09 20:05:34 |
Judging History
answer
#include <cstdio>
#include <cstring>
#include <vector>
#include <algorithm>
#define X first
#define Y second
#define PB push_back
using namespace std;
typedef long long ll;
typedef pair < int, int > pii;
typedef vector < int > vi;
typedef vector < pii > vp;
const int N = 1e5 + 500;
const int BUK = 350;
const int MOD = 1e9 + 9;
inline int add(int A, int B) {
if(A + B >= MOD)
return A + B - MOD;
return A + B;
}
inline int sub(int A, int B) {
if(A - B < 0)
return A - B + MOD;
return A - B;
}
inline int mul(int A, int B) {
return (ll)A * B % MOD;
}
int pos[N], naj[N], pot[N];
void obradi(int l, int r, int n, vi &a, vp &q, vi &spremaj) {
vector < int > spec;
for(int i = l;i <= r;i++) spec.PB(q[i].X);
sort(spec.begin(), spec.end());
spec.erase(unique(spec.begin(), spec.end()), spec.end());
for(int x : spec) pos[x] = 1;
vector < vp > izmedu;
vp tren;
int maks = 0;
for(int i = n - 1;i >= 0;i--) {
if(pos[i]) {
izmedu.PB(tren);
tren.clear();
naj[i] = maks;
continue;
}
if(a[i] >= maks) {
tren.PB({a[i], add(tren.empty() ? 0 : tren.back().Y, pot[a[i]])});
maks = a[i];
}
}
izmedu.PB(tren);
tren.clear();
for(int i = l;i <= r;i++) {
int osn = izmedu[0].empty() ? 0 : izmedu[0].back().Y, tmp_maks = 0;
a[q[i].X] = q[i].Y;
for(int i = (int)spec.size() - 1;i >= 0;i--) {
int x = spec[i];
if(a[x] >= naj[x] && a[x] >= tmp_maks) {
osn = add(osn, pot[a[x]]);
}
tmp_maks = max(tmp_maks, a[x]);
int t = (int)spec.size() - i;
if(!izmedu[t].empty()) {
if(izmedu[t][0].X >= tmp_maks) {
osn = add(osn, izmedu[t].back().Y);
} else if(izmedu[t].back().X < tmp_maks) {
} else {
osn = add(osn, sub(izmedu[t].back().Y,
(--lower_bound(izmedu[t].begin(), izmedu[t].end(), (pii){tmp_maks, -1}))->Y));
}
}
}
spremaj.PB(osn);
}
for(int x : spec) pos[x] = 0, naj[x] = 0;
}
vi solve(int n, vi &a, vp &q) {
int poc = 0, maks = 0;
for(int i = n - 1;i >= 0;i--) {
if(a[i] >= maks) {
poc = add(poc, pot[a[i]]);
maks = a[i];
}
}
vi ret = {poc};
for(int i = 0;i < (int)q.size();i += BUK)
obradi(i, min(i + BUK - 1, (int)q.size() - 1), n, a, q, ret);
//for(int x : a) printf("%d ", x);
//printf("\n");
return ret;
}
int n[2], q, ty[2 * N];
vi a[2];
vp svi_q[2];
int main() {
pot[0] = 1;
for(int i = 1;i < N;i++)
pot[i] = mul(pot[i - 1], N + 1);
scanf("%d", n);
for(int i = 0;i < n[0];i++) {
int x; scanf("%d", &x);
a[0].PB(--x);
}
scanf("%d", n + 1);
for(int i = 0;i < n[0];i++) {
int x; scanf("%d", &x);
a[1].PB(--x);
}
scanf("%d", &q);
for(int i = 0;i < q;i++) {
scanf("%d", ty + i); ty[i]--;
int x, y; scanf("%d%d", &x, &y);
x--; y--;
svi_q[ty[i]].PB({x, y});
}
//vi odg[2] = {solve(n[0], a[0], svi_q[0]), solve(n[1], a[1], svi_q[1])};
vi odg[2];
odg[0] = solve(n[0], a[0], svi_q[0]);
odg[1] = solve(n[1], a[1], svi_q[1]);
int ind[2] = {0, 0};
for(int j = 0;j < q;j++) {
ind[ty[j]]++;
//printf("%d %d\n", odg[0][ind[0]], odg[1][ind[1]]);
printf(odg[0][ind[0]] == odg[1][ind[1]] ? "YES\n" : "NO\n");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 4460kb
input:
5 1 2 3 4 5 5 5 4 3 2 1 8 1 1 5 1 4 2 1 2 4 1 5 1 1 5 5 2 1 4 2 3 5 2 5 5
output:
NO NO NO YES NO NO NO YES
result:
ok 8 tokens
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 4232kb
input:
1 2 6 2 1 1 1 1 1 200000 2 6 2 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 2 4 1 2 1 2 1 1 1 1 1 2 2 5 1 1 1 1 1 1 2 1 1 1 2 6 1 1 1 2 1 1 2 1 1 2 2 3 1 1 1 1 2 1 1 2 6 2 1 1 2 2 4 1 1 1 2 2 6 1 1 1 2 1 1 1 2 5 2 2 6 2 1 1 1 2 4 2 2 5 2 2 6 2 1 1 1 2 5 1 2 6 2 1 1 2 1 1 1 1 1 1 2 4 1 1 1 2 1 1 2 1 1 2 2 3 2...
output:
NO
result:
wrong answer Unexpected EOF in the participants output