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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#673733 | #8338. Quad Kingdoms Chess | MiniLong | WA | 8ms | 32136kb | C++20 | 4.8kb | 2024-10-25 09:27:02 | 2024-10-25 09:27:02 |
Judging History
answer
#include <bits/stdc++.h>
#define _rep(i, x, y) for(int i = x; i <= y; ++i)
#define _req(i, x, y) for(int i = x; i >= y; --i)
#define _rev(i, u) for(int i = head[u]; i; i = e[i].nxt)
#define pb push_back
#define fi first
#define se second
#define mst(f, i) memset(f, i, sizeof f)
using namespace std;
#ifdef ONLINE_JUDGE
#define debug(...) 0
#else
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#endif
typedef long long ll;
typedef pair<int, int> PII;
namespace fastio{
#ifdef ONLINE_JUDGE
char ibuf[1 << 20],*p1 = ibuf, *p2 = ibuf;
#define get() p1 == p2 && (p2 = (p1 = ibuf) + fread(ibuf, 1, 1 << 20, stdin), p1 == p2) ? EOF : *p1++
#else
#define get() getchar()
#endif
template<typename T> inline void read(T &t){
T x = 0, f = 1;
char c = getchar();
while(!isdigit(c)){
if(c == '-') f = -f;
c = getchar();
}
while(isdigit(c)) x = x * 10 + c - '0', c = getchar();
t = x * f;
}
template<typename T, typename ... Args> inline void read(T &t, Args&... args){
read(t);
read(args...);
}
template<typename T> void write(T t){
if(t < 0) putchar('-'), t = -t;
if(t >= 10) write(t / 10);
putchar(t % 10 + '0');
}
template<typename T, typename ... Args> void write(T t, Args... args){
write(t), putchar(' '), write(args...);
}
template<typename T> void writeln(T t){
write(t);
puts("");
}
template<typename T> void writes(T t){
write(t), putchar(' ');
}
#undef get
};
using namespace fastio;
#define multitest() int T; read(T); _rep(tCase, 1, T)
namespace Calculation{
const ll mod = 998244853, mod2 = 2;
ll ksm(ll p, ll h, ll mod){ll base = p % mod, res = 1; while(h){if(h & 1ll) res = res * base % mod; base = base * base % mod, h >>= 1ll;} return res;}
void dec(ll &x, ll y){x = ((x - y) % mod + mod) % mod;}
void add(ll &x, ll y){x = (x + y) % mod;}
void mul(ll &x, ll y){x = x * y % mod;}
ll sub(ll x, ll y){return ((x - y) % mod + mod) % mod;}
ll pls(ll x, ll y){return ((x + y) % mod + mod) % mod;}
ll mult(ll x, ll y){return x * y % mod;}
}
using namespace Calculation;
const int N = 1e5 + 5, _ = 1e5;
const ll base = 2e5 + 3;
ll pw[N], pw2[N], ipw[N], ipw2[N];
struct sgt{
struct node{
ll hsh, hsh2, maxn, cnt;
node(int _x = 0){hsh = hsh2 = maxn = _x, cnt = _x > 0;}
node operator+(const node b)const{
node c;
c.hsh = (hsh * pw[b.cnt] % mod + b.hsh) % mod;
c.hsh2 = (hsh2 * pw2[b.cnt] % mod2 + b.hsh2) % mod2;
c.maxn = max(maxn, b.maxn), c.cnt = cnt + b.cnt;
return c;
}
node operator-(const node b)const{
node c;
c.hsh = (hsh - b.hsh + mod) % mod * ipw[b.cnt] % mod;
c.hsh2 = (hsh2 - b.hsh2 + mod2) % mod2 * ipw2[b.cnt] % mod2;
c.cnt = cnt - b.cnt;
c.maxn = c.cnt ? maxn : 0;
return c;
}
}tr[N << 2];
#define ls x << 1
#define rs x << 1 | 1
node ask(int x, int l, int r, int cur){
if(tr[x].maxn < cur) return node();
if(l == r) return tr[x];
int mid = l + r >> 1;
if(tr[rs].maxn >= cur) return (tr[x] - tr[rs]) + ask(rs, mid + 1, r, cur);
return ask(ls, l, mid, cur);
}
void update(int x, int l, int r){
int mid = l + r >> 1;
tr[x] = ask(ls, l, mid, tr[rs].maxn) + tr[rs];
}
void build(int x, int l, int r, int *a){
if(l == r) return tr[x] = node(a[l]), void();
int mid = l + r >> 1;
build(ls, l, mid, a), build(rs, mid + 1, r, a);
update(x, l, r);
}
void modify(int x, int l, int r, int p, int val){
if(l == r) return tr[x] = node(val), void();
int mid = l + r >> 1;
if(p <= mid) modify(ls, l, mid, p, val);
else modify(rs, mid + 1, r, p, val);
update(x, l, r);
}
};
struct Seq{
int n, a[N];
sgt tr;
void init(){
read(n); _rep(i, 1, n) read(a[i]);
tr.build(1, 1, n, a);
}
void modify(int x, int val){
tr.modify(1, 1, n, x, val);
}
PII ask(){
return make_pair(tr.tr[1].hsh, tr.tr[1].hsh2);
}
}p[2];
int main(){
pw[0] = pw2[0] = ipw[0] = ipw2[0] = 1, pw[1] = pw2[1] = base, ipw[1] = ksm(base, mod - 2, mod), ipw2[1] = ksm(base, mod2 - 2, mod2);
_rep(i, 1, _){
pw[i] = pw[i - 1] * base % mod, pw2[i] = pw2[i - 1] * base % mod2;
ipw[i] = ipw[i - 1] * ipw[1] % mod, ipw2[i] = ipw2[i - 1] * ipw2[1] % mod2;
}
p[0].init(), p[1].init();
multitest(){
int op, x, y; read(op, x, y);
p[op - 1].modify(x, y);
puts(p[0].ask() == p[1].ask() ? "YES" : "NO");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 3ms
memory: 32136kb
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: 8ms
memory: 32076kb
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 NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO ...
result:
wrong answer 5th words differ - expected: 'YES', found: 'NO'