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ID | Submission ID | Problem | Hacker | Owner | Result | Submit time | Judge time |
---|---|---|---|---|---|---|---|
#87 | #23593 | #3264. 相逢是问候 | qwq | Qingyu | Failed. | 2022-03-17 22:46:55 | 2022-03-17 22:46:57 |
Details
Extra Test:
Accepted
time: 3ms
memory: 7792kb
input:
1 6 4 2 0 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1
output:
1 2 0
result:
ok 3 lines
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#23593 | #3264. 相逢是问候 | Qingyu | 100 ✓ | 335ms | 8452kb | C++20 | 3.8kb | 2022-03-17 22:43:29 | 2022-04-30 03:37:21 |
answer
// From https://loj.ac/s/18393
#include <cstdio>
#define MAXN 50010
#define logP 32
#define mymin(a,b) (a)<(b)?(a):(b)
using namespace std;
struct SegmentTree {
int p, r, m, updcnt, sum;
};
SegmentTree tree[1 << 17];
int n, T, c, MOD, opt, l, r;
int p[logP], cnt, a[MAXN];
int table[logP][1 << 14][2];
inline int Quick_Mod(long long a, long long b, long long p) {
long long res = 1;
while (b) {
if (b & 1LL)
res = res * a % p;
a = a * a % p;
b >>= 1LL;
}
return res;
}
inline int phi(int x) {
int res = x;
for (int i = 2; i * i <= x; i++)
if (!(x % i)) {
res /= i;
res *= (i - 1);
while (!(x % i))
x /= i;
}
if (x != 1)
res /= x, res *= (x - 1);
return res;
}
inline int Power(int a, int b) {
return 1LL * table[b][a & 16383][0] * table[b][a >> 14][1] % p[b];
}
inline int Calc(int x, int t) {
int res = x;
if (res >= p[t])
res = res % p[t] + p[t];
while (t--) {
x = res;
res = Power(x, t);
if (t && !res)
res += p[t];
}
return res % MOD;
}
inline void Push_Up(int u) {
tree[u].updcnt = mymin(tree[u << 1].updcnt, tree[u << 1 | 1].updcnt);
tree[u].sum = (tree[u << 1].sum + tree[u << 1 | 1].sum) % MOD;
return ;
}
inline void Build_A_Tree(int u) {
if (tree[u].p + 1 == tree[u].r) {
tree[u].sum = a[tree[u].p];
return ;
}
tree[u].m = tree[u].p + tree[u].r >> 1;
tree[u << 1].p = tree[u].p;
tree[u << 1].r = tree[u].m;
Build_A_Tree(u << 1);
tree[u << 1 | 1].p = tree[u].m;
tree[u << 1 | 1].r = tree[u].r;
Build_A_Tree(u << 1 | 1);
Push_Up(u);
return ;
}
inline void modify(int u, int l, int r) {
if (tree[u].updcnt >= cnt)
return ;
if (tree[u].p + 1 == tree[u].r) {
tree[u].sum = Calc(a[l], ++tree[u].updcnt);
return ;
}
if (r <= tree[u].m)
modify(u << 1, l, r);
else if (tree[u].m <= l)
modify(u << 1 | 1, l, r);
else {
modify(u << 1, l, tree[u].m);
modify(u << 1 | 1, tree[u].m, r);
}
Push_Up(u);
return ;
}
inline int query(int u, int l, int r) {
if (tree[u].p == l && tree[u].r == r)
return tree[u].sum % MOD;
if (r <= tree[u].m)
return query(u << 1, l, r);
else if (tree[u].m <= l)
return query(u << 1 | 1, l, r);
else
return (query(u << 1, l, tree[u].m) + query(u << 1 | 1, tree[u].m, r)) % MOD;
}
inline void read(int &x) {
x = 0;
char ch = getchar();
while (ch < '0' || ch > '9')
ch = getchar();
while (ch >= '0' && ch <= '9')
x = (x << 3) + (x << 1) + ch - '0', ch = getchar();
return ;
}
int main() {
//freopen("verbinden.in","r",stdin);freopen("verbinden.out","w",stdout);
read(n);
read(T);
read(MOD);
read(c);
for (int i = 1; i <= n; i++)
read(a[i]), a[i] %= MOD;
p[0] = MOD;
while (p[cnt] != 1)
p[cnt + 1] = phi(p[cnt]), cnt++;
p[++cnt] = 1;
for (int i = 0; i <= cnt; i++) {
r = Quick_Mod(c, 1 << 14, p[i]);
table[i][0][0] = table[i][0][1] = 1;
for (int j = 1; j < (1 << 14); j++) {
table[i][j][0] = 1LL * table[i][j - 1][0] * c % p[i];
table[i][j][1] = 1LL * table[i][j - 1][1] * r % p[i];
}
}
tree[1].p = 1;
tree[1].r = n + 1;
Build_A_Tree(1);
while (T--) {
read(opt);
read(l);
read(r);
if (!opt)
modify(1, l, r + 1);
else
printf("%d\n", query(1, l, r + 1));
}
return 0;
}