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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#204066#4940. Token Distancetriplem5ds#WA 8ms12428kbC++233.0kb2023-10-07 00:42:362023-10-07 00:42:36

Judging History

你现在查看的是最新测评结果

  • [2023-10-07 00:42:36]
  • 评测
  • 测评结果:WA
  • 用时:8ms
  • 内存:12428kb
  • [2023-10-07 00:42:36]
  • 提交

answer

/// Msaa el 5ra
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include "bits/stdc++.h"

using namespace std;

#define pb push_back
#define F first
#define S second
#define f(i, a, b)  for(int i = a; i < b; i++)
#define all(a)  a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(x) (int)(x).size()
#define mp(x, y) make_pair(x,y)
#define popCnt(x) (__builtin_popcountll(x))
#define int ll

using ll = long long;
using ii = pair<int, int>;
using ull = unsigned long long;

const int N = 1e5 + 5, LG = 18, MOD = (119 << 23) + 1;
const long double PI = acos(-1);
const long double EPS = 1e-7;

int n, q;
int sum[N << 2];
int mn[N << 2];
int mx[N << 2];
int a[N];

void pull(int node) {
    sum[node] = sum[node << 1] + sum[node << 1 | 1];
    mx[node] = max(mx[node << 1], mx[node << 1 | 1]);
    mn[node] = min(mn[node << 1], mn[node << 1 | 1]);
}

void build(int node, int s, int e) {
    if (s == e) {
        sum[node] = a[s];
        mn[node] = a[s];
        mx[node] = a[s];
        return;
    }
    int md = (s + e) >> 1;
    build(node << 1, s, md);
    build(node << 1 | 1, md + 1, e);
    pull(node);
}

void update(int node, int s, int e, int index, int val) {
    if (s == e) {
        sum[node] = val;
        mn[node] = val;
        mx[node] = val;
        return;
    }
    int md = (s + e) >> 1;
    if (index <= md)
        update(node << 1, s, md, index, val);
    else
        update(node << 1 | 1, md + 1, e, index, val);
    pull(node);
}

array<int, 3> query(int node, int s, int e, int l, int r) {
    if (r < s || e < l)return {0, 1000000001, 0};
    if (l <= s && e <= r)return {sum[node], mn[node], mx[node]};
    int md = (s + e) >> 1;
    auto a = query(node << 1, s, md, l, r);
    auto b = query(node << 1 | 1, md + 1, e, l, r);
    return {
            a[0] + b[0],
            min(a[1], b[1]),
            max(a[2], b[2])
    };
}

void doWork() {

    cin >> n >> q;
    f(i, 1, n + 1) cin >> a[i];
    build(1, 1, n);
    while (q--) {
        int tp, x, y;
        cin >> tp >> x >> y;
        if (tp == 1) {
            update(1, 1, n, x, y);
        } else {
            if ((y - x + 1) < 3) {
                cout << "YES\n";
            } else {
                auto val = query(1, 1, n, x, y);
                int diff = val[2] - val[1];
                if (diff % (y - x)) {
                    cout << "NO\n";
                } else {
                    diff /= (y - x);
                    if (val[1] * (y - x + 1) + diff * (y - x) * (y - x + 1) / 2 == val[0])
                        cout << "YES\n";
                    else
                        cout << "NO\n";
                }
            }
        }
    }

}

int32_t main() {
#ifdef ONLINE_JUDGE
    ios_base::sync_with_stdio(0);
    cin.tie(0);
#endif // ONLINE_JUDGE
    int t = 1;
//    cin >> t;
    while (t--) {
        doWork();
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 7712kb

input:

5 7
1 1 1 10 1
2 1 3
2 1 5
1 5 4
1 3 7
2 2 4
2 2 5
2 4 5

output:

YES
NO
NO
YES
YES

result:

ok 5 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 9580kb

input:

2 1
0 1000000000
2 1 2

output:

YES

result:

ok single line: 'YES'

Test #3:

score: -100
Wrong Answer
time: 8ms
memory: 12428kb

input:

81473 13549
972586683 972586964 972587245 972587526 972587807 972588088 972588369 972588650 972588931 972589212 972589493 972589774 972590055 972590336 972590617 972590898 972591179 972591460 972591741 972592022 972592303 972592584 972592865 972593146 972593427 972593708 972593989 972594270 97259455...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
Y...

result:

wrong answer 5th lines differ - expected: 'NO', found: 'YES'