Submission #1438728
Source Code Expand
#include <bits/stdc++.h> #define ll long long #define INF 1000000005 #define MOD 1000000007 #define EPS 1e-10 #define rep(i,n) for(int i=0;i<(int)n;++i) #define each(a, b) for(auto (a): (b)) #define all(v) (v).begin(),(v).end() #define fi first #define se second #define pb push_back #define show(x) cout <<#x<<" = "<<(x)<<endl #define spair(p) cout <<#p<<": "<<p.fi<<" "<<p.se<<endl #define svec(v) cout<<#v<<":";rep(kbrni,v.size())cout<<" "<<v[kbrni];cout<<endl #define sset(s) cout<<#s<<":";each(kbrni,s)cout <<" "<<kbrni;cout<<endl using namespace std; typedef pair<int,int>P; typedef complex<double>C; const int MAX_N = 100005; const double PI = 4*atan(1.0); vector<C> FFT(double theta, const vector<C>& a){ int n = (int)a.size(); vector<C> ret = a; for(int m=n; m>=2; m>>=1){ int mh = m>>1; rep(i,mh){ C w = exp(i*theta*C(0,1)); for(int j=i; j<n; j+=m){ int k = j+mh; C x = ret[j] - ret[k]; ret[j] += ret[k]; ret[k] = w*x; } } theta *= 2; } int i=0; for(int j=1; j<n-1; j++){ for(int k=n>>1; k>(i^=k); k>>= 1){ } if(j < i) swap(ret[i], ret[j]); } return ret; } //畳み込み template<class T> vector<T> Convolution(const vector<T> &lhs, const vector<T> &rhs){ int n = 1; while(n < (int)max(lhs.size(), rhs.size())*2){ n <<= 1; } vector<C> temp1(n); vector<C> temp2(n); for(int i=0; i<n/2; i++){ if(i < (int)lhs.size()){ temp1[i] = C(lhs[i], 0); } if(i < (int)rhs.size()){ temp2[i] = C(rhs[i], 0); } } //FFTにかけて周波数分解 temp1 = FFT(2.0*PI/n, temp1); temp2 = FFT(2.0*PI/n, temp2); //周波数同士で掛け算 rep(i,n){ temp1[i] *= temp2[i]; } //逆FFTをかけて元に戻す temp1 = FFT(-2.0*PI/n, temp1); vector<T> ret(n); rep(i,n){ ret[i] = (T)(temp1[i].real()/n + 0.5); //T=intの時用 } return ret; } int main() { int n; cin >> n; vector<int> a(n),b(n); rep(i,n){ scanf("%d%d",&a[i],&b[i]); } vector<int> res = Convolution(a,b); cout << 0 << endl; rep(i,2*n-1){ cout << res[i] << endl; } }
Submission Info
Submission Time | |
---|---|
Task | A - 深さ優先探索 |
User | kopricky |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 2418 Byte |
Status | WA |
Exec Time | 3 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:90:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a[i],&b[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt |
All | 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_min_01.txt | WA | 3 ms | 384 KB |
00_min_02.txt | WA | 1 ms | 256 KB |
00_min_03.txt | WA | 1 ms | 256 KB |
00_min_04.txt | WA | 1 ms | 256 KB |
00_min_05.txt | WA | 1 ms | 256 KB |
00_min_06.txt | WA | 1 ms | 256 KB |
00_min_07.txt | WA | 1 ms | 256 KB |
00_min_08.txt | WA | 1 ms | 256 KB |
00_sample_01.txt | WA | 1 ms | 256 KB |
00_sample_02.txt | WA | 1 ms | 256 KB |
00_sample_03.txt | WA | 1 ms | 256 KB |
00_sample_04.txt | WA | 1 ms | 256 KB |
00_sample_05.txt | WA | 1 ms | 256 KB |
01_rnd_00.txt | WA | 3 ms | 256 KB |
01_rnd_01.txt | WA | 3 ms | 256 KB |
01_rnd_02.txt | WA | 3 ms | 256 KB |
01_rnd_03.txt | WA | 3 ms | 256 KB |
01_rnd_04.txt | WA | 3 ms | 256 KB |
01_rnd_05.txt | WA | 3 ms | 256 KB |
01_rnd_06.txt | WA | 3 ms | 256 KB |
01_rnd_07.txt | WA | 3 ms | 256 KB |
01_rnd_08.txt | WA | 3 ms | 256 KB |
01_rnd_09.txt | WA | 3 ms | 256 KB |
01_rnd_10.txt | WA | 3 ms | 256 KB |
01_rnd_11.txt | WA | 3 ms | 256 KB |
01_rnd_12.txt | WA | 3 ms | 256 KB |
01_rnd_13.txt | WA | 3 ms | 256 KB |
01_rnd_14.txt | WA | 3 ms | 256 KB |
01_rnd_15.txt | WA | 3 ms | 256 KB |
01_rnd_16.txt | WA | 3 ms | 256 KB |
01_rnd_17.txt | WA | 3 ms | 256 KB |
01_rnd_18.txt | WA | 3 ms | 256 KB |
01_rnd_19.txt | WA | 3 ms | 256 KB |
02_rndhard_00.txt | WA | 3 ms | 256 KB |
02_rndhard_01.txt | WA | 3 ms | 256 KB |
02_rndhard_02.txt | WA | 3 ms | 256 KB |
02_rndhard_03.txt | WA | 3 ms | 256 KB |
02_rndhard_04.txt | WA | 3 ms | 256 KB |
02_rndhard_05.txt | WA | 3 ms | 256 KB |
02_rndhard_06.txt | WA | 3 ms | 256 KB |
02_rndhard_07.txt | WA | 3 ms | 256 KB |
02_rndhard_08.txt | WA | 3 ms | 256 KB |
02_rndhard_09.txt | WA | 3 ms | 256 KB |
02_rndhard_10.txt | WA | 3 ms | 256 KB |
02_rndhard_11.txt | WA | 3 ms | 256 KB |
02_rndhard_12.txt | WA | 3 ms | 256 KB |
02_rndhard_13.txt | WA | 3 ms | 256 KB |
02_rndhard_14.txt | WA | 3 ms | 256 KB |
02_rndhard_15.txt | WA | 3 ms | 256 KB |
02_rndhard_16.txt | WA | 3 ms | 256 KB |
02_rndhard_17.txt | WA | 3 ms | 256 KB |
02_rndhard_18.txt | WA | 3 ms | 256 KB |
02_rndhard_19.txt | WA | 3 ms | 256 KB |
02_rndhard_20.txt | WA | 3 ms | 256 KB |
02_rndhard_21.txt | WA | 3 ms | 256 KB |
02_rndhard_22.txt | WA | 3 ms | 256 KB |
02_rndhard_23.txt | WA | 3 ms | 256 KB |
02_rndhard_24.txt | WA | 3 ms | 256 KB |
02_rndhard_25.txt | WA | 3 ms | 256 KB |
02_rndhard_26.txt | WA | 3 ms | 256 KB |
02_rndhard_27.txt | WA | 3 ms | 256 KB |
02_rndhard_28.txt | WA | 3 ms | 256 KB |
02_rndhard_29.txt | WA | 3 ms | 256 KB |
02_rndhard_30.txt | WA | 3 ms | 256 KB |
02_rndhard_31.txt | WA | 3 ms | 256 KB |
02_rndhard_32.txt | WA | 3 ms | 256 KB |
02_rndhard_33.txt | WA | 3 ms | 256 KB |
02_rndhard_34.txt | WA | 3 ms | 256 KB |
02_rndhard_35.txt | WA | 3 ms | 256 KB |
02_rndhard_36.txt | WA | 3 ms | 256 KB |
02_rndhard_37.txt | WA | 3 ms | 256 KB |
02_rndhard_38.txt | WA | 3 ms | 256 KB |
02_rndhard_39.txt | WA | 3 ms | 256 KB |
03_rndhardsmall_00.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_01.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_02.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_03.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_04.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_05.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_06.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_07.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_08.txt | WA | 1 ms | 256 KB |
03_rndhardsmall_09.txt | WA | 1 ms | 256 KB |