結果
問題 | No.1844 Divisors Sum Sum |
ユーザー | Soham Chaudhuri |
提出日時 | 2022-02-18 22:24:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,087 bytes |
コンパイル時間 | 2,031 ms |
コンパイル使用メモリ | 202,908 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-29 09:16:36 |
合計ジャッジ時間 | 5,866 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 3 ms
5,376 KB |
testcase_27 | AC | 3 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 3 ms
5,376 KB |
testcase_30 | AC | 3 ms
5,376 KB |
testcase_31 | AC | 3 ms
5,376 KB |
testcase_32 | AC | 3 ms
5,376 KB |
testcase_33 | AC | 4 ms
5,376 KB |
testcase_34 | AC | 3 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | WA | - |
ソースコード
#include <bits/stdc++.h> #define ll long long int #define loop(a,b,i) for(long long int i=a;i<b;i++) #define loopr(a,b,i) for(long long int i=a;i>=b;i--) #define cn continue; #define pb push_back #define db double #define mp make_pair #define sz(x) (ll)((x).size()) #define endl "\n" #define lb lower_bound #define ub upper_bound #define f first #define se second #define vll vector<ll> #define pll pair<ll,ll> #define vpll vector< pair<ll,ll> > #define all(x) x.begin(),x.end() // #define print(a,n) for(ll i=0; i<n; i++) cout<<a[i]<<" "; cout<<endl; #define pi 3.14159265358979323846 #define quick ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) ll mod = 1e9 + 7; const ll MAX = 8000000000000000064LL; const ll MIN = -8000000000000000064LL; ll add(ll x, ll y) {ll res = x + y; return (res >= mod ? res - mod : res);} ll mul(ll x, ll y) {ll res = x * y; return (res >= mod ? res % mod : res);} ll sub(ll x, ll y) {ll res = x - y; return (res < 0 ? res + mod : res);} ll power(ll x, ll y) {ll res = 1; x %= mod; while (y) {if (y & 1)res = mul(res, x); y >>= 1; x = mul(x, x);} return res;} ll mod_inv(ll x) {return power(x, mod - 2);} ll gcd(ll a,ll b) {if(b==0)return a; return gcd(b,a%b);} ll lcm(ll x, ll y) { ll res = x / gcd(x, y); return (res * y);} // ll nCr(ll n,ll r){ll ans=fact[n]; ans*=mod_inv(fact[n-r]);ans%=mod; ans*=mod_inv(fact[r]);ans%=mod; return ans;} using namespace std; const ll dx[] = {-1,1,0,0,1,1,-1,-1}; const ll dy[] = {0,0,1,-1,-1,1,-1,1}; bool isprime(ll n) { if(n<=1) return false; if(n==2) return true; if(n%2==0 and n!=2) return false; for(ll i=2;i<=sqrt(n);i++) if(n%i==0) return false; return true; } bool isPowerOfTwo(ll n) { if(n==0) return false; return (ceil(log2(n)) == floor(log2(n))); } ll sum_of_divisors(ll n) { ll sum = 0ll; for(ll i=1ll; i<=sqrt(n); i++) { if(n % i == 0) { sum += i; if((n/i) != i) { sum += (n/i); } } } return sum; } signed main() { quick; int tc = 1; // cin >> tc; loop(0,tc,Q) { // cout << "Case #" << Q+1 << ": "; ll n; cin >> n; ll ans = 1ll; loop(0, n, i) { ll x, y; cin >> x >> y; ans = mul(ans, power(x,y)); } ll res = 0ll; for(ll i=1ll; i<=sqrt(ans); i++) { if(ans % i == 0) { ll res1 = sum_of_divisors(i); res = add(res, res1); if((ans / i) != i) { ll res2 = sum_of_divisors(ans/i); res = add(res, res2); } } } cout << res << endl; } cerr << "time taken : " << (float)clock() / CLOCKS_PER_SEC << " secs" << endl; return 0; }