oj.uz

Submission #547387

# Submission time Handle Problem Language Result Execution time Memory
547387 2022-04-10T15:09:40 Z duality Sightseeing in Kyoto (JOI22_kyoto) C++17
40 / 100
 165 ms 18932 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int A[100000],B[100000];
LLI dp[1001][1001];
int ccw(pii a,pii b,pii c) {
    return (LLI) (b.first-a.first)*(c.second-a.second) >= (LLI) (b.second-a.second)*(c.first-a.first);
}
LLI solve(vi a,vi b) {
    int i,j;
    for (i = 0; i < a.size(); i++) {
        for (j = 0; j < b.size(); j++) {
            if (i == 0) dp[i][j] = (LLI) A[a[0]]*(b[j]-b[0]);
            else if (j == 0) dp[i][j] = (LLI) B[b[0]]*(a[i]-a[0]);
            else dp[i][j] = min(dp[i-1][j]+(LLI) B[b[j]]*(a[i]-a[i-1]),dp[i][j-1]+(LLI) A[a[i]]*(b[j]-b[j-1]));
        }
    }
    return dp[a.size()-1][b.size()-1];
}
int main() {
    int i;
    int H,W;
    scanf("%d %d",&H,&W);
    for (i = 0; i < H; i++) scanf("%d",&A[i]);
    for (i = 0; i < W; i++) scanf("%d",&B[i]);

    LLI ans = 0;
    int x = min_element(A,A+H)-A,y = min_element(B,B+W)-B;
    vi a,b;
    for (i = x; i < H; i++) {
        while (!a.empty() && (a.back() != x) && ccw(mp(a[a.size()-2],A[a[a.size()-2]]),mp(i,A[i]),mp(a.back(),A[a.back()]))) a.pop_back();
        a.pb(i);
    }
    for (i = y; i < W; i++) {
        while (!b.empty() && (b.back() != y) && ccw(mp(b[b.size()-2],B[b[b.size()-2]]),mp(i,B[i]),mp(b.back(),B[b.back()]))) b.pop_back();
        b.pb(i);
    }
    ans += solve(a,b);
    a.clear(),b.clear();
    for (i = x; i >= 0; i--) {
        while (!a.empty() && (a.back() != x) && ccw(mp(a[a.size()-2],A[a[a.size()-2]]),mp(a.back(),A[a.back()]),mp(i,A[i]))) a.pop_back();
        a.pb(i);
    }
    for (i = y; i >= 0; i--) {
        while (!b.empty() && (b.back() != y) && ccw(mp(b[b.size()-2],B[b[b.size()-2]]),mp(b.back(),B[b.back()]),mp(i,B[i]))) b.pop_back();
        b.pb(i);
    }
    reverse(a.begin(),a.end());
    reverse(b.begin(),b.end());
    ans += solve(a,b);
    printf("%lld\n",ans);

    return 0;
}

Compilation message

kyoto.cpp: In function 'LLI solve(vi, vi)':
kyoto.cpp:65:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for (i = 0; i < a.size(); i++) {
      |                 ~~^~~~~~~~~~
kyoto.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |         for (j = 0; j < b.size(); j++) {
      |                     ~~^~~~~~~~~~
kyoto.cpp: In function 'int main()':
kyoto.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%d %d",&H,&W);
      |     ~~~~~^~~~~~~~~~~~~~~
kyoto.cpp:78:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |     for (i = 0; i < H; i++) scanf("%d",&A[i]);
      |                             ~~~~~^~~~~~~~~~~~
kyoto.cpp:79:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |     for (i = 0; i < W; i++) scanf("%d",&B[i]);
      |                             ~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 4 ms 4436 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 12 ms 724 KB Output is correct
5 Correct 7 ms 756 KB Output is correct
6 Correct 3 ms 468 KB Output is correct
7 Correct 18 ms 1108 KB Output is correct
8 Correct 18 ms 1088 KB Output is correct
9 Correct 19 ms 1236 KB Output is correct
10 Correct 20 ms 1108 KB Output is correct
11 Correct 17 ms 3028 KB Output is correct
12 Correct 19 ms 1084 KB Output is correct
13 Correct 20 ms 1104 KB Output is correct
14 Correct 17 ms 1016 KB Output is correct
15 Correct 18 ms 1040 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 4 ms 4436 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 12 ms 724 KB Output is correct
33 Correct 7 ms 756 KB Output is correct
34 Correct 3 ms 468 KB Output is correct
35 Correct 18 ms 1108 KB Output is correct
36 Correct 18 ms 1088 KB Output is correct
37 Correct 19 ms 1236 KB Output is correct
38 Correct 20 ms 1108 KB Output is correct
39 Correct 17 ms 3028 KB Output is correct
40 Correct 19 ms 1084 KB Output is correct
41 Correct 20 ms 1104 KB Output is correct
42 Correct 17 ms 1016 KB Output is correct
43 Correct 18 ms 1040 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 10 ms 596 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 4 ms 468 KB Output is correct
59 Correct 26 ms 1108 KB Output is correct
60 Correct 30 ms 1024 KB Output is correct
61 Correct 24 ms 1228 KB Output is correct
62 Correct 23 ms 1220 KB Output is correct
63 Runtime error 165 ms 18932 KB Execution killed with signal 11
64 Halted 0 ms 0 KB -