QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#642842 | #9302. Caesar Cipher | Ashbourne | WA | 987ms | 33660kb | C++20 | 4.3kb | 2024-10-15 16:33:47 | 2024-10-21 09:31:48 |
Judging History
你现在查看的是测评时间为 2024-10-21 09:31:48 的历史记录
- [2024-11-04 17:10:09]
- hack成功,自动添加数据
- (/hack/1110)
- [2024-10-21 09:47:48]
- hack成功,自动添加数据
- (/hack/1022)
- [2024-10-21 09:39:50]
- hack成功,自动添加数据
- (/hack/1021)
- [2024-10-21 09:31:34]
- hack成功,自动添加数据
- (/hack/1020)
- [2024-10-15 16:33:47]
- 提交
answer
#include<bits/stdc++.h>
#define int long long
#define rep(i, j, k) for(int i = j; i <= k; ++ i)
#define drp(i, j, k) for(int i = j; i >= k; -- i)
#define pii pair<int, int>
using namespace std;
const int N = 5e5 + 10;
const int Mod = 65536, M1 = 998244353, M2 = 1e9 + 7;
// #define ls(x) (x << 1)
// #define rs(x) (x << 1 | 1)
// struct SGT {
// pii tr[N << 2];
// void upd (int x) {
// tr[x] = tr[ls(x)] + tr[rs(x)];
// }
// void build(int x, int l, int r, vector<int> &in) {
// if (l == r) return tr[x] = in[l - 1], void();
// int mid = (l + r) >> 1;
// build (ls(x), l, mid, in);
// build (rs(x), mid + 1, r, in);
// upd (x);
// }
// void modify(int x, int l, int r, int cur, int val){
// if(l == r){
// tr[x] = tr[x] + val;
// return;
// }
// int mid = (l + r) >> 1;
// if(cur <= mid) modify(ls(x), l, mid, cur, val);
// else modify(rs(x), mid + 1, r, cur, val);
// upd(x);
// }
// int query(int x, int l, int r, int L, int R) {
// if (L <= l && r <= R) return tr[x];
// int mid = (l + r) >> 1;
// if (R <= mid) return query(ls(x), l, mid, L, R);
// if (L > mid) return query(rs(x), mid + 1, r, L, R);
// return query(ls(x), l, mid, L, R) + query(rs(x), mid + 1, r, L, R);
// }
// } Tr;
int fpow(int a, int b, int M){
int x = 1;
while(b){
if(b & 1)x = x * a % M;
a = a * a % M;
b >>= 1;
}
return x;
}
struct BST{
int tot, Mod;
void resize(int n, int m){
tot = n;
Mod = m;
}
int tr[N << 1];
void init(){
memset(tr, 0, sizeof tr);
}
void add(int x, int num){
if(x == 0) return;
while(x <= tot){
tr[x] += num;
tr[x] %= Mod;
x += x & (-x);
}
}
int query(int x){
int ans = 0;
while(x){
ans += tr[x];
ans %= Mod;
x -= x & (-x);
}
return ans;
}
}bst, tr1, tr2;
void solve(){
int n, q;
cin >> n >> q;
// cout << n << q << endl;
bst.resize(n, Mod);
vector<int> a(n + 1), b(n + 1), w1(n + 1), w2(n + 1);
for(int i = 1; i <= n; ++ i){
cin >> a[i];
}
bst.add(1, a[1]);
rep(i, 1, n - 1) b[i] = (a[i + 1] - a[i] + Mod) % Mod, bst.add(i + 1, b[i]);
int p1 = 70067, p2 = 70379;
tr1.resize(n - 1, M1);
tr2.resize(n - 1, M2);
w1[1] = w2[1] = 1;
for(int i = 1; i <= n - 1; ++ i){
w1[i + 1] = w1[i] * p1 % M1;
w2[i + 1] = w2[i] * p2 % M2;
tr1.add(i, w1[i] * b[i] % M1);
tr2.add(i, w2[i] * b[i] % M2);
}
while(q--){
int cc; cin >> cc;
if(cc == 2){
int x, y, len;
cin >> x >> y >> len;
int a1 = bst.query(x), a2 = bst.query(y);
if(a1 != a2){
cout << "no" << endl;
continue;
}
int hs1 = tr1.query(x + len - 2) + M1 - tr1.query(x - 1);
hs1 %= M1; hs1 = hs1 * fpow(w1[x], M1 - 2, M1) % M1;
int hs2 = tr2.query(x + len - 2) + M2 - tr2.query(x - 1);
hs2 %= M2; hs2 = hs2 * fpow(w2[x], M2 - 2, M2) % M2;
int hs3 = tr1.query(y + len - 2) + M1 - tr1.query(y - 1);
hs3 %= M1; hs3 = hs3 * fpow(w1[y], M1 - 2, M1) % M1;
int hs4 = tr2.query(y + len - 2) + M2 - tr2.query(y - 1);
hs4 %= M2; hs4 = hs4 * fpow(w2[y], M2 - 2, M2) % M2;
// cout << hs1 << " " << hs3 << endl;
// cout << fpow(w1[y], M1 - 2, M1) * w1[y] % M1 << endl;
if(hs1 == hs3 && hs2 == hs4){
cout << "yes" << endl;
}else cout << "no" << endl;
}else{
int l, r;
cin >> l >> r;
bst.add(l, 1); bst.add(r + 1, Mod - 1);
if(l != 1){
b[l - 1] ++;
tr1.add(l - 1, w1[l - 1] % M1);
tr2.add(l - 1, w2[l - 1] % M2);
if(b[l - 1] >= Mod){
b[l - 1] -= Mod;
tr1.add(l - 1, (M1 - Mod) * w1[l - 1] % M1);
tr2.add(l - 1, (M2 - Mod) * w2[l - 1] % M2);
}
}
if(r != n){
b[r] --;
tr2.add(r, w2[r] * (M2 - 1) % M2);
tr1.add(r, w1[r] * (M1 - 1) % M1);
if(b[r] < 0){
b[r] += Mod;
tr2.add(r, w2[r] * (Mod) % M2);
tr1.add(r, w1[r] * (Mod) % M1);
}
}
}
}
}
signed main(){
ios::sync_with_stdio(0);
int T = 1;
// cin >> T;
while(T--){
solve();
}
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 7696kb
input:
5 6 1 2 1 2 1 2 1 2 2 2 1 3 3 1 1 1 1 3 5 2 1 2 4 2 1 2 2
output:
no yes no yes
result:
ok 4 token(s): yes count is 2, no count is 2
Test #2:
score: 0
Accepted
time: 1ms
memory: 7872kb
input:
3 3 0 65535 65535 2 1 2 2 1 2 3 2 1 2 2
output:
no yes
result:
ok 2 token(s): yes count is 1, no count is 1
Test #3:
score: 0
Accepted
time: 0ms
memory: 7732kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 1000 token(s): yes count is 1000, no count is 0
Test #4:
score: 0
Accepted
time: 139ms
memory: 11092kb
input:
100000 100000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 100000 token(s): yes count is 100000, no count is 0
Test #5:
score: 0
Accepted
time: 987ms
memory: 33660kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #6:
score: 0
Accepted
time: 668ms
memory: 33280kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #7:
score: 0
Accepted
time: 628ms
memory: 31136kb
input:
500000 500000 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 6553...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes ...
result:
ok 500000 token(s): yes count is 449947, no count is 50053
Test #8:
score: 0
Accepted
time: 395ms
memory: 31608kb
input:
500000 500000 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 4999...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes no yes yes yes yes yes yes yes yes yes no yes no yes y...
result:
ok 251941 token(s): yes count is 226844, no count is 25097
Test #9:
score: 0
Accepted
time: 255ms
memory: 32336kb
input:
500000 500000 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 ...
output:
no no no no no no no no yes no no yes no no no no no no no no no no yes yes no no yes no no yes no no no yes no no no no no no no yes no no no no no no no no no no yes no no no no no no yes no no yes no no no no no no no no no yes no no no no no no no no no no no yes yes no no no yes no no no no yes...
result:
ok 251981 token(s): yes count is 32353, no count is 219628
Test #10:
score: 0
Accepted
time: 392ms
memory: 31780kb
input:
500000 500000 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 6553...
output:
yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no ...
result:
ok 251952 token(s): yes count is 227079, no count is 24873
Test #11:
score: 0
Accepted
time: 243ms
memory: 32612kb
input:
500000 500000 2 1 2 3 1 2 3 2 3 3 3 2 3 2 2 3 3 1 1 2 1 1 3 1 2 2 1 2 1 2 3 1 1 3 2 2 3 3 3 1 3 1 2 3 3 3 3 1 1 3 1 1 3 2 2 3 1 3 1 2 1 1 1 3 2 1 1 2 3 1 3 3 1 3 2 2 3 3 2 3 2 1 3 2 3 3 2 3 1 1 2 1 3 3 3 2 1 2 1 1 1 1 3 1 3 1 1 3 2 1 3 2 1 1 3 3 1 3 1 3 1 2 2 1 1 1 2 2 1 1 1 3 3 1 2 3 3 2 1 3 3 1 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 yes 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:
ok 251970 token(s): yes count is 4568, no count is 247402
Test #12:
score: 0
Accepted
time: 34ms
memory: 20260kb
input:
282544 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1...
output:
no
result:
ok NO
Extra Test:
score: 0
Extra Test Passed