oj.uz

답안 #701757

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
701757 2023-02-22T04:53:30 Z Asamai Bigger segments (IZhO19_segments) C++17
100 / 100
 71 ms 20804 KB 
#include <bits/stdc++.h>

using namespace std;

template<class A, class B> bool maximize(A& x, B y) {if (x < y) return x = y, true; else return false;}
template<class A, class B> bool minimize(A& x, B y) {if (x > y) return x = y, true; else return false;}

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << " ]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#define     deb(x...)             cerr << "[ in " <<__func__<< "() : line " <<__LINE__<< " ] : [ " << #x << " ] = [ "; _print(x); cerr << '\n';

#define     int                   long long


typedef     long long             ll;
typedef     unsigned long long    ull;
typedef     double                db;
typedef     long double           ld;
typedef     pair<db, db>          pdb;
typedef     pair<ld, ld>          pld;
typedef     pair<int, int>        pii;
typedef     pair<ll, ll>          pll;
typedef     pair<ll, int>         plli;
typedef     pair<int, ll>         pill;

#define     all(a)                a.begin(), a.end()
#define     pb                    push_back
#define     pf                    push_front
#define     fi                    first
#define     se                    second

const int MAX_N = 5e5 + 5;

int n;
int a[MAX_N];
int sum[MAX_N];
pii dp[MAX_N];

void update(pii &a, const pii& b) {
    if (a.fi == b.fi) {
        minimize(a.se, b.se);
    }
    else {
        if (b.fi > a.fi) {
            a = b;
        }
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n;

    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        sum[i] = sum[i - 1] + a[i];
        dp[i] = {1, sum[i]};
    }

    for (int i = 1; i < n; i++) {
         update(dp[i + 1], {dp[i].fi, dp[i].se + a[i + 1]});
        int low = i + 1, high = n;
        int k = -1;
        while (low <= high) {
            int mid = (low + high) >> 1;
            if (sum[mid] - sum[i] >= dp[i].se) {
                k = mid;
                high = mid - 1;
            }
            else {
                low = mid + 1;
            }
        }
        if (k != -1) {
            update(dp[k], {dp[i].fi + 1, sum[k] - sum[i]});
        }
    }

    cout << dp[n].fi;

    return 0;
}

/*


*/

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 0 ms 328 KB Output is correct
30 Correct 1 ms 332 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 0 ms 328 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 396 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 0 ms 328 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 396 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 9 ms 3848 KB Output is correct
47 Correct 12 ms 3820 KB Output is correct
48 Correct 13 ms 4276 KB Output is correct
49 Correct 12 ms 4308 KB Output is correct
50 Correct 14 ms 4428 KB Output is correct
51 Correct 15 ms 4364 KB Output is correct
52 Correct 7 ms 2360 KB Output is correct
53 Correct 5 ms 1492 KB Output is correct
54 Correct 10 ms 3648 KB Output is correct
55 Correct 13 ms 4428 KB Output is correct
56 Correct 9 ms 3908 KB Output is correct
57 Correct 10 ms 3812 KB Output is correct
58 Correct 10 ms 3856 KB Output is correct
59 Correct 10 ms 4052 KB Output is correct
60 Correct 10 ms 3960 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 380 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 328 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 0 ms 328 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 1 ms 396 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 9 ms 3848 KB Output is correct
47 Correct 12 ms 3820 KB Output is correct
48 Correct 13 ms 4276 KB Output is correct
49 Correct 12 ms 4308 KB Output is correct
50 Correct 14 ms 4428 KB Output is correct
51 Correct 15 ms 4364 KB Output is correct
52 Correct 7 ms 2360 KB Output is correct
53 Correct 5 ms 1492 KB Output is correct
54 Correct 10 ms 3648 KB Output is correct
55 Correct 13 ms 4428 KB Output is correct
56 Correct 9 ms 3908 KB Output is correct
57 Correct 10 ms 3812 KB Output is correct
58 Correct 10 ms 3856 KB Output is correct
59 Correct 10 ms 4052 KB Output is correct
60 Correct 10 ms 3960 KB Output is correct
61 Correct 43 ms 17912 KB Output is correct
62 Correct 53 ms 17892 KB Output is correct
63 Correct 63 ms 18192 KB Output is correct
64 Correct 63 ms 20488 KB Output is correct
65 Correct 67 ms 20804 KB Output is correct
66 Correct 71 ms 20796 KB Output is correct
67 Correct 58 ms 16744 KB Output is correct
68 Correct 29 ms 8520 KB Output is correct
69 Correct 52 ms 17008 KB Output is correct
70 Correct 63 ms 20728 KB Output is correct
71 Correct 42 ms 17908 KB Output is correct
72 Correct 51 ms 18252 KB Output is correct
73 Correct 52 ms 18816 KB Output is correct
74 Correct 54 ms 19268 KB Output is correct
75 Correct 51 ms 19144 KB Output is correct