QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#642842 | #9302. Caesar Cipher | Ashbourne | WA | 908ms | 33676kb | C++20 | 4.3kb | 2024-10-15 16:33:47 | 2024-10-21 09:48:00 |
Judging History
你现在查看的是最新测评结果
- [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();
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 7712kb
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: 7740kb
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: 7780kb
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: 151ms
memory: 12236kb
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: 908ms
memory: 32032kb
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: 695ms
memory: 31080kb
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: 610ms
memory: 32660kb
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: 464ms
memory: 33676kb
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: 327ms
memory: 31372kb
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: 32164kb
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: 261ms
memory: 31548kb
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: 35ms
memory: 19312kb
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: -3
Extra Test Failed : Wrong Answer on 16
time: 1ms
memory: 7780kb
input:
101 1 0 0 0 0 0 6 16 32 33 33 51 51 51 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 67 85 108 108 119 119 119 119 119 139 145 157 165 65371 0 8 20 26 46 46 46 46 46 57 57 80 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 98 114 114 114 132 132 133 ...
output:
yes
result:
wrong answer expected NO, found YES [1st token]