結果
| 問題 | No.1290 Addition and Subtraction Operation |
| ユーザー |
 pazzle1230
|
| 提出日時 | 2020-11-13 23:10:59 |
| 言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 4,447 bytes |
| コンパイル時間 | 2,502 ms |
| コンパイル使用メモリ | 207,932 KB |
| 実行使用メモリ | 6,940 KB |
| 最終ジャッジ日時 | 2024-07-22 22:03:48 |
| 合計ジャッジ時間 | 7,215 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
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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 | RE | - |
| testcase_01 | RE | - |
| testcase_02 | RE | - |
| testcase_03 | TLE | - |
| testcase_04 | -- | - |
| testcase_05 | -- | - |
| testcase_06 | -- | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
| testcase_12 | -- | - |
| testcase_13 | -- | - |
| testcase_14 | -- | - |
| testcase_15 | -- | - |
| testcase_16 | -- | - |
| testcase_17 | -- | - |
| testcase_18 | -- | - |
| testcase_19 | -- | - |
| testcase_20 | -- | - |
| testcase_21 | -- | - |
| testcase_22 | -- | - |
| testcase_23 | -- | - |
| testcase_24 | -- | - |
| testcase_25 | -- | - |
| testcase_26 | -- | - |
| testcase_27 | -- | - |
| testcase_28 | -- | - |
| testcase_29 | -- | - |
| testcase_30 | -- | - |
| testcase_31 | -- | - |
| testcase_32 | -- | - |
| testcase_33 | -- | - |
| testcase_34 | -- | - |
| testcase_35 | -- | - |
| testcase_36 | -- | - |
| testcase_37 | -- | - |
| testcase_38 | -- | - |
| testcase_39 | -- | - |
| testcase_40 | -- | - |
| testcase_41 | -- | - |
| testcase_42 | -- | - |
| testcase_43 | -- | - |
| testcase_44 | -- | - |
| testcase_45 | -- | - |
| testcase_46 | -- | - |
| testcase_47 | -- | - |
| testcase_48 | -- | - |
| testcase_49 | -- | - |
| testcase_50 | -- | - |
| testcase_51 | -- | - |
| testcase_52 | -- | - |
| testcase_53 | -- | - |
| testcase_54 | -- | - |
| testcase_55 | -- | - |
| testcase_56 | -- | - |
| testcase_57 | -- | - |
| testcase_58 | -- | - |
| testcase_59 | -- | - |
| testcase_60 | -- | - |
| testcase_61 | -- | - |
| testcase_62 | -- | - |
| testcase_63 | -- | - |
| testcase_64 | -- | - |
| testcase_65 | -- | - |
| testcase_66 | -- | - |
| testcase_67 | -- | - |
| testcase_68 | -- | - |
| testcase_69 | -- | - |
| testcase_70 | -- | - |
| testcase_71 | -- | - |
| testcase_72 | -- | - |
| testcase_73 | -- | - |
| testcase_74 | -- | - |
| testcase_75 | -- | - |
| testcase_76 | -- | - |
| testcase_77 | -- | - |
| testcase_78 | -- | - |
| testcase_79 | -- | - |
| testcase_80 | -- | - |
| testcase_81 | -- | - |
| testcase_82 | -- | - |
| testcase_83 | -- | - |
| testcase_84 | -- | - |
| testcase_85 | -- | - |
| testcase_86 | -- | - |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define INF_LL (int64)1e18
#define INF (int32)1e9
#define REP(i, n) for(int64 i = 0;i < (n);i++)
#define FOR(i, a, b) for(int64 i = (a);i < (b);i++)
#define all(x) x.begin(),x.end()
#define fs first
#define sc second
using int32 = int_fast32_t;
using uint32 = uint_fast32_t;
using int64 = int_fast64_t;
using uint64 = uint_fast64_t;
using PII = pair<int32, int32>;
using PLL = pair<int64, int64>;
const double eps = 1e-10;
template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;}
template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;}
template<typename T>
vector<T> make_v(size_t a){return vector<T>(a);}
template<typename T,typename... Ts>
auto make_v(size_t a,Ts... ts){
return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));
}
template<typename T,typename U,typename... V>
typename enable_if<is_same<T, U>::value!=0>::type
fill_v(U &u,const V... v){u=U(v...);}
template<typename T,typename U,typename... V>
typename enable_if<is_same<T, U>::value==0>::type
fill_v(U &u,const V... v){
for(auto &e:u) fill_v<T>(e,v...);
}
int64 N, X;
vector<int64> A;
using T = tuple<int, int64, int64>;
map<PLL, int64> mp;
int64 dfs(int i, int64 rem) {
// cout << "call: " << i << " " << rem << endl;
if (i == 0 && (N == 1 || abs(rem) < A[i+1])) {
return 1;
}
if (mp.count({i, rem})) return mp[{i, rem}];
int64 res = 0;
if (i == N-1 || rem < A[i+1]) {
res += dfs(i - 1, rem % A[i]);
if (rem % A[i] != 0 && (i == N-1 || rem + A[i] < A[i+1]))
res += dfs(i - 1, A[i] - rem % A[i]);
}
return mp[{i, rem}] = res;
}
int main(void){
cin.tie(0);
ios::sync_with_stdio(false);
int64 N, M;
cin >> N >> M;
vector<int64> B(N+2, 0);
REP(i, N) cin >> B[i+1];
vector<vector<int64>> L(N+2), R(N+2);
vector<int> parity(M);
REP(i, M) {
int l, r;
cin >> l >> r; r++;
parity[i] = (r - l) % 2;
L[l].push_back(i);
R[r].push_back(i);
}
vector<map<int, double>> mat;
vector<double> b;
vector<set<int>> piv(M);
FOR(i, 1, N+2) {
if (L[i].size() == 0 && R[i].size() == 0 && B[i] * -1 != B[i-1]) {
cout << i << " " << B[i] << " " << B[i-1] << endl;
cout << "NO" << endl;
return 0;
}
if (L[i].size() != 0 || R[i].size() != 0) {
map<int, double> mp;
REP(j, L[i].size()) {
mp[L[i][j]] = 1;
piv[L[i][j]].insert(mat.size());
}
REP(j, R[i].size()) {
mp[R[i][j]] = parity[R[i][j]] ? 1 : -1;
piv[R[i][j]].insert(mat.size());
}
mat.push_back(mp);
b.push_back(B[i] * -1 - B[i - 1]);
}
}
int rank = 0;
auto swap_mat = [&](int r1, int r2) {
swap(mat[r1], mat[r2]);
swap(b[r1], b[r2]);
for (auto &x : mat[r1]) {
piv[x.first].erase(r2);
piv[x.first].insert(r1);
}
for (auto &x : mat[r2]) {
piv[x.first].erase(r1);
piv[x.first].insert(r2);
}
};
auto add_mat = [&](int r2, int r1, double mul) { // mat[r2] += mat[r1] * mul
for (auto &x : mat[r1]) {
if (mat[r2][x.first] == 0) {
piv[x.first].insert(r2);
}
mat[r2][x.first] += x.second * mul;
if (mat[r2][x.first] == 0) {
piv[x.first].erase(r2);
mat[r2].erase(x.first);
}
}
b[r2] += b[r1] * mul;
};
// REP(i, mat.size()) {
// for (auto &x : mat[i]) {
// cout << "(" << x.first << " " << x.second << ") ";
// }
// cout << b[i] << endl;
// }
// cout << endl;
REP(i, M) {
if (piv[i].size() == 0) continue;
bool will_do = 0;
for (auto &x : piv[i]) {
if (x < rank) continue;
swap_mat(rank, x);
will_do = 1;
break;
}
if (!will_do) continue;
// cout << rank << ": ";
for (auto &x : piv[i]) {
if (x <= rank) continue;
// cout << x << " ";
double mul = - mat[x][i] / mat[rank][i];
add_mat(x, rank, mul);
}
// cout << endl;
// REP(i, mat.size()) {
// for (auto &x : mat[i]) {
// cout << "(" << x.first << " " << x.second << ") ";
// }
// cout << b[i] << endl;
// }
// cout << endl;
rank++;
}
// REP(i, mat.size()) {
// for (auto &x : mat[i]) {
// cout << "(" << x.first << " " << x.second << ") ";
// }
// cout << b[i] << endl;
// }
REP(i, mat.size()) {
bool ok = 1;
for (auto &x : mat[i]) {
if (abs(x.second) > eps) ok = 0;
}
if (ok && abs(b[i]) > eps) {
cout << "NO" << endl;
return 0;
}
}
cout << "YES" << endl;
}