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Submission #580432

# Submission time Handle Problem Language Result Execution time Memory
580432 2022-06-21T08:43:03 Z 반딧불(#8355) Uplifting Excursion (BOI22_vault) C++17
40 / 100
 310 ms 4292 KB 
#include <bits/stdc++.h>
#ifndef TEST
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#endif

using namespace std;

typedef long long ll;
const ll LIM = 100000;

void imp(){
    puts("impossible");
    exit(0);
}

ll dq1[1000002];
ll dq2[1000002];
int fr, sz;

ll f(ll x, ll y, bool b){
    if(b) return max(x, y);
    return min(x, y);
}

void calculateMax(int n, ll* arr, int lim, vector<ll>& ret){
    ret = vector<ll>(lim+1, -1e18);
    ret[0] = 0;
    vector<ll> tvec (lim+1, -1e18);
    for(int i=1; i<=n; i++){
        tvec.swap(ret);
        for(int s=0; s<i; s++){
            fr=sz=0;
            for(int j=s, p=0; j<=lim; j+=i, p++){
                ret[j] = max(ret[j], tvec[j]);
                while(fr!=sz && dq2[fr] < p) fr++;
                ll nf = tvec[j]-p;
                while(fr!=sz && dq1[sz-1] < nf) sz--;
                dq1[sz] = nf;
                dq2[sz++] = p+arr[i];
                ret[j] = max(ret[j], dq1[fr] + p);
            }
        }
    }
}

void calculateMin(int n, ll* arr, int lim, vector<ll>& ret){
    ret = vector<ll>(lim+1, 1e18);
    ret[0] = 0;
    vector<ll> tvec (lim+1, 1e18);
    for(int i=1; i<=n; i++){
        tvec.swap(ret);
        for(int s=0; s<i; s++){
            fr=sz=0;
            for(int j=s, p=0; j<=lim; j+=i, p++){
                ret[j] = min(ret[j], tvec[j]);
                while(fr!=sz && dq2[fr] < p) fr++;
                ll nf = tvec[j]-p;
                while(fr!=sz && dq1[sz-1] > nf) sz--;
                dq1[sz] = nf;
                dq2[sz++] = p+arr[i];
                ret[j] = min(ret[j], dq1[fr] + p);
            }
        }
    }
}

int n;
ll k;
ll arr[302];

ll used[302];
ll rem[302];
vector<ll> DP, DP2;

ll ans = -1e18;
ll frontCnt;

int main(){
    scanf("%lld %lld", &n, &k);
    for(int i=0; i<n; i++) scanf("%lld", &arr[i]);
    for(int i=0; i<=n; i++) scanf("%lld", &arr[i]);
    if(k<=0) imp();
    for(int i=0; i<=n; i++){
        if(k >= arr[i]*i){
            k -= arr[i]*i;
            used[i] = arr[i];
            rem[i] = 0;
        }
        else{
            ll tmp = k/i;
            used[i] = tmp;
            rem[i] = arr[i]-tmp;
            k -= tmp*i;
        }
    }
    if(accumulate(rem, rem+n+1, 0LL) == 0) imp();
    frontCnt = accumulate(used, used+n+1, 0LL);

    calculateMax(n, rem, LIM, DP); /// �ִ�
    calculateMin(n, used, LIM, DP2); /// �ּ�

    for(ll i=k; i<=LIM; i++){
        ll j = i-k;
        ans = max(ans, frontCnt + DP[i] - DP2[j]);
    }

    if(ans <= 0) imp();
    printf("%lld", ans);
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:81:15: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
   81 |     scanf("%lld %lld", &n, &k);
      |            ~~~^        ~~
      |               |        |
      |               |        int*
      |               long long int*
      |            %d
vault.cpp:81:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |     scanf("%lld %lld", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
vault.cpp:82:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |     for(int i=0; i<n; i++) scanf("%lld", &arr[i]);
      |                            ~~~~~^~~~~~~~~~~~~~~~~
vault.cpp:83:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |     for(int i=0; i<=n; i++) scanf("%lld", &arr[i]);
      |                             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4164 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4164 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 4164 KB Output is correct
2 Correct 40 ms 4220 KB Output is correct
3 Correct 27 ms 4228 KB Output is correct
4 Correct 33 ms 4164 KB Output is correct
5 Correct 32 ms 4164 KB Output is correct
6 Correct 27 ms 4220 KB Output is correct
7 Correct 28 ms 4224 KB Output is correct
8 Correct 26 ms 4164 KB Output is correct
9 Correct 27 ms 4220 KB Output is correct
10 Correct 38 ms 4224 KB Output is correct

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 4164 KB Output is correct
2 Correct 40 ms 4220 KB Output is correct
3 Correct 27 ms 4228 KB Output is correct
4 Correct 33 ms 4164 KB Output is correct
5 Correct 32 ms 4164 KB Output is correct
6 Correct 27 ms 4220 KB Output is correct
7 Correct 28 ms 4224 KB Output is correct
8 Correct 26 ms 4164 KB Output is correct
9 Correct 27 ms 4220 KB Output is correct
10 Correct 38 ms 4224 KB Output is correct
11 Incorrect 4 ms 4164 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 4164 KB Output is correct
2 Correct 40 ms 4220 KB Output is correct
3 Correct 27 ms 4228 KB Output is correct
4 Correct 33 ms 4164 KB Output is correct
5 Correct 32 ms 4164 KB Output is correct
6 Correct 27 ms 4220 KB Output is correct
7 Correct 28 ms 4224 KB Output is correct
8 Correct 26 ms 4164 KB Output is correct
9 Correct 27 ms 4220 KB Output is correct
10 Correct 38 ms 4224 KB Output is correct
11 Correct 10 ms 4220 KB Output is correct
12 Correct 33 ms 4164 KB Output is correct
13 Correct 26 ms 4228 KB Output is correct
14 Correct 30 ms 4228 KB Output is correct
15 Correct 31 ms 4164 KB Output is correct
16 Correct 26 ms 4224 KB Output is correct
17 Correct 24 ms 4224 KB Output is correct
18 Correct 26 ms 4212 KB Output is correct
19 Correct 33 ms 4228 KB Output is correct
20 Correct 29 ms 4164 KB Output is correct
21 Correct 38 ms 4216 KB Output is correct
22 Correct 49 ms 4220 KB Output is correct
23 Correct 51 ms 4164 KB Output is correct
24 Correct 45 ms 4152 KB Output is correct
25 Correct 59 ms 4220 KB Output is correct
26 Correct 61 ms 4216 KB Output is correct
27 Correct 47 ms 4220 KB Output is correct
28 Correct 56 ms 4204 KB Output is correct

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4164 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 4164 KB Output is correct
2 Correct 40 ms 4220 KB Output is correct
3 Correct 27 ms 4228 KB Output is correct
4 Correct 33 ms 4164 KB Output is correct
5 Correct 32 ms 4164 KB Output is correct
6 Correct 27 ms 4220 KB Output is correct
7 Correct 28 ms 4224 KB Output is correct
8 Correct 26 ms 4164 KB Output is correct
9 Correct 27 ms 4220 KB Output is correct
10 Correct 38 ms 4224 KB Output is correct
11 Correct 10 ms 4220 KB Output is correct
12 Correct 33 ms 4164 KB Output is correct
13 Correct 26 ms 4228 KB Output is correct
14 Correct 30 ms 4228 KB Output is correct
15 Correct 31 ms 4164 KB Output is correct
16 Correct 26 ms 4224 KB Output is correct
17 Correct 24 ms 4224 KB Output is correct
18 Correct 26 ms 4212 KB Output is correct
19 Correct 33 ms 4228 KB Output is correct
20 Correct 29 ms 4164 KB Output is correct
21 Correct 38 ms 4216 KB Output is correct
22 Correct 49 ms 4220 KB Output is correct
23 Correct 51 ms 4164 KB Output is correct
24 Correct 45 ms 4152 KB Output is correct
25 Correct 59 ms 4220 KB Output is correct
26 Correct 61 ms 4216 KB Output is correct
27 Correct 47 ms 4220 KB Output is correct
28 Correct 56 ms 4204 KB Output is correct
29 Correct 10 ms 4164 KB Output is correct
30 Correct 32 ms 4164 KB Output is correct
31 Correct 30 ms 4292 KB Output is correct
32 Correct 41 ms 4160 KB Output is correct
33 Correct 33 ms 4224 KB Output is correct
34 Correct 29 ms 4224 KB Output is correct
35 Correct 24 ms 4224 KB Output is correct
36 Correct 25 ms 4220 KB Output is correct
37 Correct 27 ms 4164 KB Output is correct
38 Correct 30 ms 4216 KB Output is correct
39 Correct 41 ms 4164 KB Output is correct
40 Correct 39 ms 4212 KB Output is correct
41 Correct 48 ms 4212 KB Output is correct
42 Correct 47 ms 4164 KB Output is correct
43 Correct 50 ms 4216 KB Output is correct
44 Correct 51 ms 4208 KB Output is correct
45 Correct 59 ms 4216 KB Output is correct
46 Correct 47 ms 4164 KB Output is correct
47 Correct 72 ms 4208 KB Output is correct
48 Correct 86 ms 4212 KB Output is correct
49 Correct 103 ms 4156 KB Output is correct
50 Correct 92 ms 4176 KB Output is correct
51 Correct 111 ms 4216 KB Output is correct
52 Correct 94 ms 4204 KB Output is correct
53 Correct 85 ms 4200 KB Output is correct
54 Correct 88 ms 4220 KB Output is correct

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4164 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 4164 KB Output is correct
2 Correct 40 ms 4220 KB Output is correct
3 Correct 27 ms 4228 KB Output is correct
4 Correct 33 ms 4164 KB Output is correct
5 Correct 32 ms 4164 KB Output is correct
6 Correct 27 ms 4220 KB Output is correct
7 Correct 28 ms 4224 KB Output is correct
8 Correct 26 ms 4164 KB Output is correct
9 Correct 27 ms 4220 KB Output is correct
10 Correct 38 ms 4224 KB Output is correct
11 Correct 10 ms 4220 KB Output is correct
12 Correct 33 ms 4164 KB Output is correct
13 Correct 26 ms 4228 KB Output is correct
14 Correct 30 ms 4228 KB Output is correct
15 Correct 31 ms 4164 KB Output is correct
16 Correct 26 ms 4224 KB Output is correct
17 Correct 24 ms 4224 KB Output is correct
18 Correct 26 ms 4212 KB Output is correct
19 Correct 33 ms 4228 KB Output is correct
20 Correct 29 ms 4164 KB Output is correct
21 Correct 38 ms 4216 KB Output is correct
22 Correct 49 ms 4220 KB Output is correct
23 Correct 51 ms 4164 KB Output is correct
24 Correct 45 ms 4152 KB Output is correct
25 Correct 59 ms 4220 KB Output is correct
26 Correct 61 ms 4216 KB Output is correct
27 Correct 47 ms 4220 KB Output is correct
28 Correct 56 ms 4204 KB Output is correct
29 Correct 10 ms 4164 KB Output is correct
30 Correct 32 ms 4164 KB Output is correct
31 Correct 30 ms 4292 KB Output is correct
32 Correct 41 ms 4160 KB Output is correct
33 Correct 33 ms 4224 KB Output is correct
34 Correct 29 ms 4224 KB Output is correct
35 Correct 24 ms 4224 KB Output is correct
36 Correct 25 ms 4220 KB Output is correct
37 Correct 27 ms 4164 KB Output is correct
38 Correct 30 ms 4216 KB Output is correct
39 Correct 41 ms 4164 KB Output is correct
40 Correct 39 ms 4212 KB Output is correct
41 Correct 48 ms 4212 KB Output is correct
42 Correct 47 ms 4164 KB Output is correct
43 Correct 50 ms 4216 KB Output is correct
44 Correct 51 ms 4208 KB Output is correct
45 Correct 59 ms 4216 KB Output is correct
46 Correct 47 ms 4164 KB Output is correct
47 Correct 72 ms 4208 KB Output is correct
48 Correct 86 ms 4212 KB Output is correct
49 Correct 103 ms 4156 KB Output is correct
50 Correct 92 ms 4176 KB Output is correct
51 Correct 111 ms 4216 KB Output is correct
52 Correct 94 ms 4204 KB Output is correct
53 Correct 85 ms 4200 KB Output is correct
54 Correct 88 ms 4220 KB Output is correct
55 Correct 11 ms 4164 KB Output is correct
56 Correct 32 ms 4164 KB Output is correct
57 Correct 26 ms 4164 KB Output is correct
58 Correct 32 ms 4228 KB Output is correct
59 Correct 36 ms 4228 KB Output is correct
60 Correct 27 ms 4216 KB Output is correct
61 Correct 27 ms 4164 KB Output is correct
62 Correct 26 ms 4228 KB Output is correct
63 Correct 33 ms 4164 KB Output is correct
64 Correct 34 ms 4220 KB Output is correct
65 Correct 39 ms 4164 KB Output is correct
66 Correct 41 ms 4140 KB Output is correct
67 Correct 59 ms 4136 KB Output is correct
68 Correct 51 ms 4164 KB Output is correct
69 Correct 53 ms 4164 KB Output is correct
70 Correct 58 ms 4216 KB Output is correct
71 Correct 43 ms 4156 KB Output is correct
72 Correct 49 ms 4156 KB Output is correct
73 Correct 82 ms 4164 KB Output is correct
74 Correct 72 ms 4200 KB Output is correct
75 Correct 99 ms 4204 KB Output is correct
76 Correct 81 ms 4212 KB Output is correct
77 Correct 96 ms 4212 KB Output is correct
78 Correct 95 ms 4204 KB Output is correct
79 Correct 87 ms 4212 KB Output is correct
80 Correct 93 ms 4156 KB Output is correct
81 Correct 280 ms 4284 KB Output is correct
82 Correct 294 ms 4212 KB Output is correct
83 Correct 288 ms 4208 KB Output is correct
84 Correct 310 ms 4204 KB Output is correct
85 Correct 213 ms 4208 KB Output is correct
86 Correct 214 ms 4156 KB Output is correct
87 Correct 295 ms 4200 KB Output is correct

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 4164 KB Output isn't correct
2 Halted 0 ms 0 KB -