結果
| 問題 |
No.896 友達以上恋人未満
|
| コンテスト | |
| ユーザー |
emthrm
|
| 提出日時 | 2020-08-09 01:41:36 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 3,350 ms / 3,500 ms |
| コード長 | 2,807 bytes |
| コンパイル時間 | 9,384 ms |
| コンパイル使用メモリ | 259,832 KB |
| 最終ジャッジ日時 | 2025-01-12 19:15:34 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 7 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:38:12: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized]
38 | x = (x * mulX + addX) & mod_1;
| ~~^~~~~~
main.cpp:31:6: note: 'x' was declared here
31 | ll x, y;
| ^
ソースコード
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3fLL;
const double EPS = 1e-8;
const int MOD = 1000000007;
// const int MOD = 998244353;
const int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1};
const int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
IOSetup() {
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
cout << fixed << setprecision(20);
}
} iosetup;
int main() {
int m, n, mulX, addX, mulY, addY, mod; cin >> m >> n >> mulX >> addX >> mulY >> addY >> mod;
int mod_1 = mod - 1;
vector mp(mod, 0LL);
vector<int> X(m);
REP(i, m) cin >> X[i];
ll x, y;
REP(i, m) {
x = X[i];
cin >> y;
mp[x] += y;
}
FOR(i, m, n) {
x = (x * mulX + addX) & mod_1;
y = (y * mulY + addY) & mod_1;
mp[x] += y;
}
ll ans = 0;
int cri = sqrt(mod);
vector memo(cri, -1LL);
REP(i, m) cin >> X[i];
REP(i, m) {
x = X[i];
cin >> y;
if (x == 0 || y == 0) {
cout << 0 << '\n';
continue;
}
ll cnt = 0;
if (x >= cri) {
for (int i = x; i < mod; i += x) cnt += mp[i];
} else {
if (memo[x] == -1) {
memo[x] = 0;
for (int i = x; i < mod; i += x) memo[x] += mp[i];
}
cnt += memo[x];
}
if (x * y < mod) {
int mul = x * y;
if (mul >= cri) {
for (int i = mul; i < mod; i += mul) cnt -= mp[i];
} else {
if (memo[mul] == -1) {
memo[mul] = 0;
for (int i = mul; i < mod; i += mul) memo[mul] += mp[i];
}
cnt -= memo[mul];
}
}
cout << cnt << '\n';
ans ^= cnt;
}
FOR(i, m, n) {
x = ((x * mulX + addX + mod_1) & mod_1) + 1;
y = ((y * mulY + addY + mod_1) & mod_1) + 1;
if (x == 0 || y == 0) continue;
ll cnt = 0;
if (x >= cri) {
for (int i = x; i < mod; i += x) cnt += mp[i];
} else {
if (memo[x] == -1) {
memo[x] = 0;
for (int i = x; i < mod; i += x) memo[x] += mp[i];
}
cnt += memo[x];
}
if (x * y < mod) {
int mul = x * y;
if (mul >= cri) {
for (int i = mul; i < mod; i += mul) cnt -= mp[i];
} else {
if (memo[mul] == -1) {
memo[mul] = 0;
for (int i = mul; i < mod; i += mul) memo[mul] += mp[i];
}
cnt -= memo[mul];
}
}
ans ^= cnt;
}
cout << ans << '\n';
return 0;
}
emthrm