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 |
---|---|---|---|---|---|---|---|---|---|
#215243 | #2643. gcd | KXG | 100 | 1492ms | 18296kb | C++11 | 1.9kb | 2024-11-27 19:53:12 | 2024-11-27 23:37:32 |
answer
#include <cstdio>
#include <cmath>
#include <map>
using namespace std;
long long gcd(long long a, long long b) {
if (b == 0) {
return a;
}
return gcd(b, a % b);
}
struct GCDRMQ {
int n;
long long a[100010];
long long f[20][100010];
void init() {
for (int i = 1; i <= n; i++) {
f[0][i] = a[i];
}
for (int i = 1; i < 20; i++) {
for (int j = 1; j <= n; j++) {
if (j + (1 << (i - 1)) > n) {
f[i][j] = f[i - 1][j];
} else {
f[i][j] = gcd(f[i - 1][j], f[i - 1][j + (1 << (i - 1))]);
}
}
}
}
long long query(long long l, long long r) {
int i = log2(r - l + 1);
return gcd(f[i][l], f[i][r - (1 << i) + 1]);
}
} gr;
int n, q;
long long a[100010], x;
map<long long, long long> mp;
pair<int, long long> findr(int l, int r) {
long long now = gr.query(l, r);
int L = r, R = n, ans;
while (L <= R) {
int mid = (L + R) >> 1;
if (gr.query(l, mid) == now) {
ans = mid;
L = mid + 1;
} else {
R = mid - 1;
}
}
return {ans, now};
}
int main() {
scanf("%d", &n);
gr.n = n;
for (int i = 1; i <= n; i++) {
scanf("%lld", &a[i]);
gr.a[i] = a[i];
}
gr.init();
for (int i = 1; i <= n; i++) {
for (int j = i - 1; j < n; ) {
pair<int, long long> res = findr(i, j + 1);
int r = res.first;
long long v = res.second;
mp[v] += r - j;
j = r;
}
}
scanf("%d", &q);
for (int i = 1; i <= q; i++) {
scanf("%d", &x);
if (!mp.count(x)) printf("0\n");
else printf("%lld\n", mp[x]);
}
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 44ms
memory: 1380kb
input:
1071 546 2340 8190 420 6300 1050 40950 25 23400 195 2340 630 195 40950 2184 504 525 130 2340 1800 39...
output:
29 568770 132 197 63 84 197 63 1099 568770 29 164 22 113 197 84 1099 568770 197 197 568770 716 132 6...
result:
ok 253041 lines
Test #2:
score: 10
Accepted
time: 58ms
memory: 1684kb
input:
2878 728 50 420 4200 25 200 4 81900 546 195 11700 900 900 42 1092 520 6 36 6552 150 18200 130 585 28...
output:
183 440 521 100 3619 1310 183 201 100 521 100 468 129 331 468 4128473 100 440 183 4128473 4128473 13...
result:
ok 278290 lines
Test #3:
score: 10
Accepted
time: 46ms
memory: 1484kb
input:
1685 1365 225 40 9 3900 3900 2100 105 120 25 8 2184 2184 10 2100 23400 780 600 325 32760 4680 260 39...
output:
1412451 1545 220 47 925 1412451 1412451 925 90 330 220 196 90 815 94 92 90 1412451 92 248 815 248 81...
result:
ok 253539 lines
Test #4:
score: 10
Accepted
time: 64ms
memory: 1788kb
input:
3492 1820 9100 45 8190 72 50 3276 260 14 8 24 65 910 5850 150 520 23400 520 700 2730 300 72 728 70 2...
output:
1954 1954 1940 2980 165 565 165 135 538 2980 569 1954 6081994 2980 165 178 1954 569 422 569 1954 538...
result:
ok 278788 lines
Test #5:
score: 10
Accepted
time: 243ms
memory: 12464kb
input:
65614 4680 3900 2340 6825 5 1560 780 12600 75 140 156 50 3276 182 315 52 5460 40950 20475 14 78 2340...
output:
10574 1873 1873 10249 3685 3735 10249 2152307887 10249 10249 1873 7058 10261 3672 2152307887 10249 1...
result:
ok 288360 lines
Test #6:
score: 10
Accepted
time: 340ms
memory: 18244kb
input:
99228 11700 1400 35 1260 2520 975 56 100 18200 468 20 1560 450 900 36 468 9 4 56 650 195 3 468 4680 ...
output:
16046 2780 15425 51019 5415 16035 11219 11219 16046 5417 51019 16035 15425 16035 5417 5517 51019 278...
result:
ok 288858 lines
Test #7:
score: 10
Accepted
time: 120ms
memory: 5656kb
input:
26035 39 900 315 1400 130 2600 7800 4095 234 36 200 25 312 1092 252 780 90 23400 1 4680 104 2 54600 ...
output:
13708 638 4405 4405 4175 4405 1333 4238 638 13173 4238 2712 1360 1333 4405 13173 4175 4405 2712 2712...
result:
ok 280460 lines
Test #8:
score: 10
Accepted
time: 162ms
memory: 8564kb
input:
42842 468 325 390 1 120 150 6552 60 840 780 7800 126 35 140 40950 81900 6300 75 1050 210 6300 700 45...
output:
6626 2410 7045 917526742 2410 2354 917526742 4904 2354 2456 917526742 917526742 7148 2354 7045 7148 ...
result:
ok 255709 lines
Test #9:
score: 10
Accepted
time: 267ms
memory: 14340kb
input:
76456 8190 700 32760 27300 2100 24 3 126 1820 150 280 9100 104 3900 520 27300 65 1638 4095 273 450 1...
output:
12422 2922417371 12341 12121 8442 4236 38390 12422 4273 2030 4236 4155 41537 38390 2922417371 4236 8...
result:
ok 256207 lines
Test #10:
score: 10
Accepted
time: 148ms
memory: 18296kb
input:
100000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...
output:
5000050000 5000050000 5000050000 5000050000 5000050000 5000050000 5000050000 5000050000 5000050000 5...
result:
ok 300000 lines