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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 |
---|---|---|---|---|---|---|---|---|---|
#374746 | #3726. 2017 Revenge | ucup-team1251 | Compile Error | / | / | C++98 | 1.8kb | 2024-04-02 17:47:07 | 2024-04-02 17:47:09 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mod = 1e9 + 7;
const int N = 3000;
int cnt;
vector<int> prime[3000];
int ksm(int a,int b){
int ans = 1;
while(b>1){
if(b&1){
ans = ans * a % 2;
}
a = a * a % 2;
b >>= 1;
}
return ans;
}
void get_prime(){
for (int i = 2; i <= 2018;i++){
for (int j = 2; j <= i;j++){
if(i%j==0){
prime[i].push_back(j);
}
}
}
}
void solve()
{
int n, r;
while(cin>>n>>r){
vector<int> a(n + 1);
map<int, int> mp, ans;
for (int i = 1; i <= n; i++)
{
cin >> a[i];
mp[a[i]]++;
}
int sum = 0;
vector<int> vis(3000), vi(3000);
for (auto i : mp)
{
for (auto j : prime[r])
{
if (i.first % j == 0)
{
ans[j] += i.second;
if (i.first % (r / j) == 0 && r != j)
vis[j] += i.second;
}
}
}
for (auto i : prime[r])
{
if (ans[i] > 0 && vi[i] == 0)
{
vi[r / i] = 1;
if (ans[r / i] > 0)
{
sum = sum + (ans[i] * ans[r / i] - vis[i]) % 2;
sum = sum + ksm(2, n - (ans[i] + ans[r / i] - vis[i])) % 2;
}
else if (i == r)
{
sum = sum + ans[i] * ksm(2, (n - 1)) % 2;
}
}
}
cout << sum << "\n";
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
int t = 1;
get_prime();
// cin >> t;
while (t--)
{
solve();
}
}
详细
answer.code: In function ‘void solve()’: answer.code:41:19: error: ‘i’ does not name a type 41 | for (auto i : mp) | ^ answer.code:52:10: error: expected ‘;’ before ‘for’ 52 | } | ^ | ; 53 | for (auto i : prime[r]) | ~~~ answer.code:53:9: error: expected primary-expression before ‘for’ 53 | for (auto i : prime[r]) | ^~~ answer.code:52:10: error: expected ‘;’ before ‘for’ 52 | } | ^ | ; 53 | for (auto i : prime[r]) | ~~~ answer.code:53:9: error: expected primary-expression before ‘for’ 53 | for (auto i : prime[r]) | ^~~ answer.code:52:10: error: expected ‘)’ before ‘for’ 52 | } | ^ | ) 53 | for (auto i : prime[r]) | ~~~ answer.code:41:13: note: to match this ‘(’ 41 | for (auto i : mp) | ^ answer.code:53:19: error: ‘i’ does not name a type 53 | for (auto i : prime[r]) | ^ answer.code:68:10: error: expected ‘;’ before ‘cout’ 68 | } | ^ | ; 69 | cout << sum << "\n"; | ~~~~ answer.code:70:5: error: expected primary-expression before ‘}’ token 70 | } | ^ answer.code:69:29: error: expected ‘)’ before ‘}’ token 69 | cout << sum << "\n"; | ^ | ) 70 | } | ~ answer.code:53:13: note: to match this ‘(’ 53 | for (auto i : prime[r]) | ^ answer.code:70:5: error: expected primary-expression before ‘}’ token 70 | } | ^