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 |
---|---|---|---|---|---|---|---|---|---|
#215272 | #2643. gcd | STASISZHY | 100 | 1507ms | 18480kb | C++11 | 1.4kb | 2024-11-27 21:46:37 | 2024-11-27 23:39:45 |
answer
// Problem: C. gcd
// Contest: undefined - NOIP2024训练赛 15
// URL: http://noi.ac/contest/1167/problem/2643
// Memory Limit: 1024 MB
// Time Limit: 1000 ms
//
// Powered by CP Editor (https://cpeditor.org)
#include<bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define PII pair<int, int>
using namespace std;
const int N = 2e5 + 10, M = 1e6 + 10, mod = 1e9 + 7, INF = 0x3f3f3f3f;
int n, m, q;
int s[N], st[N][22];
map<int, int> ans;
int gcd(int a, int b)
{
if(!b) return a;
return gcd(b, a % b);
}
int calc(int l, int r)
{
int k = log2(r - l + 1);
return gcd(st[l][k], st[r - (1 << k) + 1][k]);
}
inline void init()
{
for(int j = 1; j <= 20; j ++)
for(int i = 1; i + (1 << j) - 1 <= n; i ++)
st[i][j] = gcd(st[i][j - 1], st[i + (1 << (j - 1))][j - 1]);
}
int solve(int k, int l, int r, int g)
{
if(l == r) return l;
if(l + 1 == r) return calc(k, r) == g ? r : l;
int mid = l + r >> 1;
if(calc(k, mid) == g) return solve(k, mid, r, g);
else return solve(k, l, mid - 1, g);
}
signed main()
{
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i ++) cin >> st[i][0];
init();
for(int i = 1; i <= n; i ++)
{
int l = i;
while(l <= n)
{
int r = solve(i, l, n, calc(i, l));
ans[calc(i, l)] += (r - l + 1), l = r + 1;
}
}
cin >> q;
while(q --)
{
int x; cin >> x;
cout << ans[x] << '\n';
}
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: 38ms
memory: 1480kb
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: 46ms
memory: 1792kb
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: 42ms
memory: 1588kb
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: 48ms
memory: 1900kb
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: 251ms
memory: 12576kb
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: 364ms
memory: 18348kb
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: 119ms
memory: 5772kb
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: 168ms
memory: 8660kb
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: 283ms
memory: 14440kb
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: 18480kb
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