結果

問題 No.1290 Addition and Subtraction Operation
ユーザー ChanyuhChanyuh
提出日時 2020-12-31 15:06:20
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 7,343 bytes
コンパイル時間 1,718 ms
コンパイル使用メモリ 137,792 KB
実行使用メモリ 20,592 KB
最終ジャッジ日時 2024-10-09 14:42:00
合計ジャッジ時間 8,397 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
(要ログイン)

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 AC 6 ms
13,056 KB
testcase_01 AC 6 ms
12,928 KB
testcase_02 WA -
testcase_03 AC 6 ms
13,056 KB
testcase_04 AC 6 ms
13,056 KB
testcase_05 AC 6 ms
13,056 KB
testcase_06 AC 6 ms
12,800 KB
testcase_07 AC 6 ms
12,928 KB
testcase_08 WA -
testcase_09 AC 6 ms
12,800 KB
testcase_10 AC 6 ms
13,056 KB
testcase_11 AC 5 ms
12,928 KB
testcase_12 AC 7 ms
12,928 KB
testcase_13 AC 6 ms
12,928 KB
testcase_14 AC 6 ms
13,056 KB
testcase_15 AC 6 ms
12,928 KB
testcase_16 AC 6 ms
12,928 KB
testcase_17 AC 6 ms
12,928 KB
testcase_18 AC 6 ms
12,928 KB
testcase_19 AC 6 ms
12,928 KB
testcase_20 AC 7 ms
13,056 KB
testcase_21 AC 6 ms
12,800 KB
testcase_22 WA -
testcase_23 AC 6 ms
12,928 KB
testcase_24 AC 7 ms
12,928 KB
testcase_25 AC 7 ms
12,800 KB
testcase_26 AC 7 ms
12,928 KB
testcase_27 WA -
testcase_28 AC 6 ms
12,928 KB
testcase_29 AC 7 ms
12,928 KB
testcase_30 AC 6 ms
12,928 KB
testcase_31 AC 7 ms
12,928 KB
testcase_32 AC 6 ms
12,928 KB
testcase_33 AC 5 ms
12,800 KB
testcase_34 AC 6 ms
12,928 KB
testcase_35 WA -
testcase_36 AC 5 ms
13,056 KB
testcase_37 AC 5 ms
12,928 KB
testcase_38 AC 5 ms
12,928 KB
testcase_39 AC 6 ms
12,800 KB
testcase_40 AC 6 ms
13,056 KB
testcase_41 AC 6 ms
12,800 KB
testcase_42 AC 38 ms
18,304 KB
testcase_43 AC 38 ms
18,288 KB
testcase_44 AC 38 ms
18,432 KB
testcase_45 AC 37 ms
18,364 KB
testcase_46 AC 38 ms
18,304 KB
testcase_47 AC 38 ms
18,304 KB
testcase_48 AC 36 ms
18,304 KB
testcase_49 AC 37 ms
18,176 KB
testcase_50 AC 37 ms
18,432 KB
testcase_51 AC 38 ms
18,304 KB
testcase_52 AC 37 ms
18,304 KB
testcase_53 AC 38 ms
18,432 KB
testcase_54 AC 38 ms
18,432 KB
testcase_55 AC 37 ms
18,176 KB
testcase_56 AC 38 ms
18,300 KB
testcase_57 AC 47 ms
16,088 KB
testcase_58 AC 67 ms
16,996 KB
testcase_59 AC 45 ms
15,988 KB
testcase_60 AC 133 ms
20,324 KB
testcase_61 AC 105 ms
18,560 KB
testcase_62 AC 117 ms
18,816 KB
testcase_63 AC 66 ms
16,896 KB
testcase_64 AC 18 ms
14,848 KB
testcase_65 AC 33 ms
15,464 KB
testcase_66 AC 83 ms
17,664 KB
testcase_67 AC 137 ms
20,592 KB
testcase_68 AC 105 ms
18,560 KB
testcase_69 AC 66 ms
17,024 KB
testcase_70 AC 59 ms
16,640 KB
testcase_71 AC 78 ms
17,408 KB
testcase_72 AC 34 ms
15,616 KB
testcase_73 AC 95 ms
18,048 KB
testcase_74 AC 16 ms
14,848 KB
testcase_75 AC 27 ms
15,224 KB
testcase_76 AC 61 ms
16,752 KB
testcase_77 AC 119 ms
18,688 KB
testcase_78 AC 106 ms
18,176 KB
testcase_79 AC 65 ms
16,512 KB
testcase_80 AC 145 ms
19,964 KB
testcase_81 AC 140 ms
19,712 KB
testcase_82 AC 83 ms
17,504 KB
testcase_83 AC 133 ms
19,580 KB
testcase_84 AC 118 ms
19,592 KB
testcase_85 AC 39 ms
16,556 KB
testcase_86 AC 20 ms
15,544 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<iostream>
#include<array>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<tuple>
#include<cassert>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define Per(i,sta,n) for(int i=n-1;i>=sta;i--)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef long double ld;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ll, ll> LP;
int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
template<class T>bool chmax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;}

template <class S,
          S (*op)(S, S),
          S (*e)(),
          class F,
          S (*mapping)(F, S),
          F (*composition)(F, F),
          F (*id)()>
struct LazySegmentTree {// (*composition)は前が新たな作用素
  public:
    LazySegmentTree() : LazySegmentTree(0) {}
    LazySegmentTree(int n) : LazySegmentTree(std::vector<S>(n, e())) {}
    LazySegmentTree(const std::vector<S>& v) : _n(int(v.size())) {
        log = ceil_pow2(_n);
        size = 1 << log;
        d = std::vector<S>(2 * size, e());
        lz = std::vector<F>(size, id());
        for (int i = 0; i < _n; i++) d[size + i] = v[i];
        for (int i = size - 1; i >= 1; i--) {
            update_(i);
        }
    }

    void set(int p, S x) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        d[p] = x;
        for (int i = 1; i <= log; i++) update_(p >> i);
    }

    S get(int p) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        return d[p];
    }

    S query(int l, int r) {
        assert(0 <= l && l <= r && r <= _n);
        if (l == r) return e();

        l += size;
        r += size;

        for (int i = log; i >= 1; i--) {
            if (((l >> i) << i) != l) push(l >> i);
            if (((r >> i) << i) != r) push(r >> i);
        }

        S sml = e(), smr = e();
        while (l < r) {
            if (l & 1) sml = op(sml, d[l++]);
            if (r & 1) smr = op(d[--r], smr);
            l >>= 1;
            r >>= 1;
        }

        return op(sml, smr);
    }

    S all_query() { return d[1]; }

    void update(int p, F f) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        d[p] = mapping(f, d[p]);
        for (int i = 1; i <= log; i++) update_(p >> i);
    }
    void update(int l, int r, F f) {
        assert(0 <= l && l <= r && r <= _n);
        if (l == r) return;

        l += size;
        r += size;

        for (int i = log; i >= 1; i--) {
            if (((l >> i) << i) != l) push(l >> i);
            if (((r >> i) << i) != r) push((r - 1) >> i);
        }

        {
            int l2 = l, r2 = r;
            while (l < r) {
                if (l & 1) all_apply(l++, f);
                if (r & 1) all_apply(--r, f);
                l >>= 1;
                r >>= 1;
            }
            l = l2;
            r = r2;
        }

        for (int i = 1; i <= log; i++) {
            if (((l >> i) << i) != l) update_(l >> i);
            if (((r >> i) << i) != r) update_((r - 1) >> i);
        }
    }

    template <bool (*g)(S)> int max_right(int l) {
        return max_right(l, [](S x) { return g(x); });
    }
    template <class G> int max_right(int l, G g) {
        assert(0 <= l && l <= _n);
        assert(g(e()));
        if (l == _n) return _n;
        l += size;
        for (int i = log; i >= 1; i--) push(l >> i);
        S sm = e();
        do {
            while (l % 2 == 0) l >>= 1;
            if (!g(op(sm, d[l]))) {
                while (l < size) {
                    push(l);
                    l = (2 * l);
                    if (g(op(sm, d[l]))) {
                        sm = op(sm, d[l]);
                        l++;
                    }
                }
                return l - size;
            }
            sm = op(sm, d[l]);
            l++;
        } while ((l & -l) != l);
        return _n;
    }

    template <bool (*g)(S)> int min_left(int r) {
        return min_left(r, [](S x) { return g(x); });
    }
    template <class G> int min_left(int r, G g) {
        assert(0 <= r && r <= _n);
        assert(g(e()));
        if (r == 0) return 0;
        r += size;
        for (int i = log; i >= 1; i--) push((r - 1) >> i);
        S sm = e();
        do {
            r--;
            while (r > 1 && (r % 2)) r >>= 1;
            if (!g(op(d[r], sm))) {
                while (r < size) {
                    push(r);
                    r = (2 * r + 1);
                    if (g(op(d[r], sm))) {
                        sm = op(d[r], sm);
                        r--;
                    }
                }
                return r + 1 - size;
            }
            sm = op(d[r], sm);
        } while ((r & -r) != r);
        return 0;
    }

  private:
    int _n, size, log;
    std::vector<S> d;
    std::vector<F> lz;

    void update_(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); }
    void all_apply(int k, F f) {
        d[k] = mapping(f, d[k]);
        if (k < size) lz[k] = composition(f, lz[k]);
    }
    void push(int k) {
        all_apply(2 * k, lz[k]);
        all_apply(2 * k + 1, lz[k]);
        lz[k] = id();
    }
    int ceil_pow2(int n) {
        int x = 0;
        while ((1U << x) < (unsigned int)(n)) x++;
        return x;
    }
};


int n,m;
int b[200010],l[200010],r[200010];
set<int> se[200010];

int f(int a,int b){return min(a,b);}
int e(){return 0;}
int g(int a,int b){return a+b;}
int id(){return 0;}

void solve(){
    cin >> n >> m;
    rep(i,n) cin >> b[i];
    rep(i,m){
        cin >> l[i] >> r[i];
        l[i]-=1;
        se[l[i]].insert(r[i]);
    }
    LazySegmentTree<int,f,e,int,g,g,id> segs[2]={LazySegmentTree<int,f,e,int,g,g,id>(n-n/2),LazySegmentTree<int,f,e,int,g,g,id>(n/2)};
    rep(i,n){
        if(!se[i].empty()) {
            int r=*se[i].begin();
            int z=b[i]-segs[i%2].get(i/2);
            if(i%2==r%2){
                segs[i%2].update(i/2,r/2,z);
                segs[1-i%2].update((i+1)/2,(r+1)/2,-z);
            }
            else{
                segs[i%2].update(i/2,(r+1)/2,z);
                segs[1-i%2].update((i+1)/2,r/2,-z);
            }
            se[i].erase(se[i].begin());
            if(se[i].size()>se[r].size()) swap(se[i],se[r]);
            for(int t:se[i]){
                se[r].insert(t);
            }
        }
    }
    rep(i,n){
        if(segs[i%2].get(i/2)!=b[i]){
            cout << "NO" << endl;
            return;
        }
    }
    cout << "YES" << endl;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(50);
    solve();
}
0