oj.uz

Submission #118003

# Submission time Handle Problem Language Result Execution time Memory
118003 2019-06-17T16:10:22 Z JohnTitor Dango Maker (JOI18_dango_maker) C++11
100 / 100
 732 ms 56152 KB 
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, j, k) for(int i=(j); i<=(k); i++)
#define FFOR(i, j, k) for(int i=(j); i<(k); i++)
#define DFOR(i, j, k) for(int i=(j); i>=(k); i--)
#define bug(x) cerr<<#x<<" = "<<(x)<<'\n'
#define pb push_back
#define mp make_pair
#define bit(s, i) (((s)>>(i))&1LL)
#define mask(i) ((1LL<<(i)))
#define builtin_popcount __builtin_popcountll
#define __builtin_popcount __builtin_popcountll
using ll=long long; using ld=long double;
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); const ld pi=acos(0)*2;
template <typename T> inline void read(T &x){char c; bool nega=0; while((!isdigit(c=getchar()))&&(c!='-')); if(c=='-'){nega=1; c=getchar();} x=c-48; while(isdigit(c=getchar())) x=x*10+c-48; if(nega) x=-x;}
template <typename T> inline void writep(T x){if(x>9) writep(x/10); putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){ putchar('-'); x=-x;} writep(x);}
template <typename T> inline void writeln(T x){write(x); putchar('\n');}
#define taskname "Dango"
int n, m;
string s[3000];
int f[6000][3];
int dp(vector <int> &x){
//    reverse(x.begin(), x.end());
//    for(int a: x) cerr<<a<<' ';
//    cerr<<'\n';
    FFOR(i, 0, x.size()) FFOR(j, 0, 3) f[i][j]=0;
    int ans=0;
    FFOR(i, 0, x.size()){
        if(x[i]&2){
            f[i][2]=1;
            if(i>0) f[i][2]=max(f[i][2], max(f[i-1][0], f[i-1][2])+1);
        }
        if(x[i]&1){
            f[i][1]=1;
            if(i>0) f[i][1]=max(f[i][1], max(f[i-1][0], f[i-1][1])+1);
        }
        if(i>0) f[i][0]=max(f[i][0], f[i-1][0]);
        if(i>0) f[i][0]=max(f[i][0], f[i-1][1]);
        if(i>0) f[i][0]=max(f[i][0], f[i-1][2]);
        ans=max(ans, f[i][0]);
        ans=max(ans, f[i][1]);
        ans=max(ans, f[i][2]);
    }
    return ans;
}
bool good_right(int i, int j){
    if(i<0) return 0;
    if(j<0) return 0;
    if(j+2>=m) return 0;
    return (s[i][j]=='R')&&(s[i][j+1]=='G')&&(s[i][j+2]=='W');
}
bool good_down(int i, int j){
    if(i<0) return 0;
    if(j<0) return 0;
    if(i+2>=n) return 0;
    return (s[i][j]=='R')&&(s[i+1][j]=='G')&&(s[i+2][j]=='W');
}
int cnt[3000][3000];
int main(){
    #ifdef Aria
        if(fopen(taskname".in", "r"))
            freopen(taskname".in", "r", stdin);
    #endif // Aria
    cin>>n>>m;
    FFOR(i, 0, n) cin>>s[i];
    int ans=0;
    for(int i=0, j=0; (j<m); j+=((i+1)==n), i=min(n-1, i+1)){
        vector <int> all;
        FFOR(k, 0, 1e9){
            if(i-k<0) break;
            if(j+k>=m) break;
            cnt[i-k][j+k]++;
            int d=0;
            if(good_down(i-k-1, j+k)) d^=1;
            if(good_right(i-k, j+k-1)) d^=2;
//            if(d) assert(s[i][j]=='G');
            all.pb(d);
        }
        ans+=dp(all);
    }
//    FFOR(i, 0, n) FFOR(j, 0, m) cerr<<cnt[i][j]<<" \n"[j+1==m];
    writeln(ans);
}

Compilation message

dango_maker.cpp: In function 'int dp(std::vector<int>&)':
dango_maker.cpp:4:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define FFOR(i, j, k) for(int i=(j); i<(k); i++)
                                       ^
dango_maker.cpp:27:5: note: in expansion of macro 'FFOR'
     FFOR(i, 0, x.size()) FFOR(j, 0, 3) f[i][j]=0;
     ^~~~
dango_maker.cpp:4:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define FFOR(i, j, k) for(int i=(j); i<(k); i++)
                                       ^
dango_maker.cpp:29:5: note: in expansion of macro 'FFOR'
     FFOR(i, 0, x.size()){
     ^~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 2 ms 432 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 512 KB Output is correct
24 Correct 2 ms 512 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 512 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 2 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 2 ms 512 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 2 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 2 ms 512 KB Output is correct
49 Correct 4 ms 512 KB Output is correct
50 Correct 2 ms 512 KB Output is correct
51 Correct 2 ms 512 KB Output is correct
52 Correct 2 ms 512 KB Output is correct
53 Correct 2 ms 512 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 2 ms 432 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 512 KB Output is correct
24 Correct 2 ms 512 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 512 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 2 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 2 ms 512 KB Output is correct
43 Correct 2 ms 512 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 2 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 2 ms 512 KB Output is correct
49 Correct 4 ms 512 KB Output is correct
50 Correct 2 ms 512 KB Output is correct
51 Correct 2 ms 512 KB Output is correct
52 Correct 2 ms 512 KB Output is correct
53 Correct 2 ms 512 KB Output is correct
54 Correct 2 ms 384 KB Output is correct
55 Correct 11 ms 12544 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 10 ms 8448 KB Output is correct
58 Correct 69 ms 11256 KB Output is correct
59 Correct 732 ms 55940 KB Output is correct
60 Correct 705 ms 56004 KB Output is correct
61 Correct 690 ms 56056 KB Output is correct
62 Correct 3 ms 512 KB Output is correct
63 Correct 638 ms 55544 KB Output is correct
64 Correct 592 ms 55976 KB Output is correct
65 Correct 606 ms 56152 KB Output is correct
66 Correct 596 ms 56056 KB Output is correct
67 Correct 597 ms 56056 KB Output is correct
68 Correct 607 ms 55996 KB Output is correct
69 Correct 628 ms 56048 KB Output is correct
70 Correct 62 ms 11256 KB Output is correct
71 Correct 63 ms 11252 KB Output is correct
72 Correct 62 ms 11256 KB Output is correct
73 Correct 61 ms 11180 KB Output is correct
74 Correct 63 ms 11232 KB Output is correct
75 Correct 59 ms 11260 KB Output is correct
76 Correct 59 ms 11256 KB Output is correct
77 Correct 59 ms 11256 KB Output is correct
78 Correct 58 ms 11256 KB Output is correct
79 Correct 63 ms 11416 KB Output is correct
80 Correct 60 ms 11256 KB Output is correct
81 Correct 63 ms 11256 KB Output is correct
82 Correct 61 ms 11256 KB Output is correct
83 Correct 59 ms 11256 KB Output is correct
84 Correct 58 ms 11256 KB Output is correct
85 Correct 58 ms 11256 KB Output is correct
86 Correct 59 ms 11256 KB Output is correct
87 Correct 57 ms 11256 KB Output is correct
88 Correct 57 ms 11256 KB Output is correct
89 Correct 57 ms 11256 KB Output is correct
90 Correct 57 ms 11256 KB Output is correct