oj.uz

Submission #672211

# Submission time Handle Problem Language Result Execution time Memory
672211 2022-12-15T04:25:01 Z Cutebol K blocks (IZhO14_blocks) C++17
100 / 100
 182 ms 81048 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define Scaramouche ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0);
#define int long long
#define itn int
#define endl "\n"
#define ff first
#define ss second
   
const int N = 2e5 + 5 ;
const int mod = 1e9 + 7 ;
const int inf = 1e12 ;

int n , m ;
int a[N] ;
int dp[104][N] ;

void solve(){
	
	cin >> n >> m ;
	for ( int i = 1 ; i <= n ; i ++ ) cin >> a[i] ;
	for ( int i = 1 ; i <= n ; i ++ ) dp[1][i] = max ( dp[1][i-1] , a[i] ) ;
	for ( int i = 2 ; i <= m ; i ++ )
		for ( int j = 1 ; j <= n; j ++ ) dp[i][j] = inf ;
	for ( int i = 2 ; i <= m ; i ++ ){
		stack <pair<int,int>> st ;
		for ( int j = i ; j <= n ; j ++ ){
			int last = dp[i-1][j-1] ;
			while ( !st.empty() && st.top().ff <= a[j] ){
				last =  min ( last , st.top().ss ) ;
				st.pop() ;
			}
			if ( st.empty() || st.top().ff + st.top().ss >= last + a[j] )
				st.push({a[j],last}) ;
			
			dp[i][j] = min ( last + a[j] , st.top().ff + st.top().ss ) ;
		}
	}
	cout << dp[m][n] ;
}
 
signed main(){
//  fopn("blocks") ;
//    Scaramouche ;
    int t = 1 ;
//      cin >> t ;
    while ( t -- ) solve() ; 
}

Compilation message

blocks.cpp: In function 'void fopn(std::string)':
blocks.cpp:5:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:5:72: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 212 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 340 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 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 0 ms 340 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 436 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 212 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 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 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 1 ms 256 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 1 ms 436 KB Output is correct
38 Correct 1 ms 436 KB Output is correct
39 Correct 1 ms 692 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 304 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 304 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 436 KB Output is correct
53 Correct 1 ms 980 KB Output is correct
54 Correct 1 ms 980 KB Output is correct
55 Correct 1 ms 692 KB Output is correct
56 Correct 1 ms 980 KB Output is correct
57 Correct 1 ms 1108 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 212 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 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 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 1 ms 256 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 1 ms 436 KB Output is correct
38 Correct 1 ms 436 KB Output is correct
39 Correct 1 ms 692 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 304 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 304 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 436 KB Output is correct
53 Correct 1 ms 980 KB Output is correct
54 Correct 1 ms 980 KB Output is correct
55 Correct 1 ms 692 KB Output is correct
56 Correct 1 ms 980 KB Output is correct
57 Correct 1 ms 1108 KB Output is correct
58 Correct 7 ms 2516 KB Output is correct
59 Correct 16 ms 1036 KB Output is correct
60 Correct 16 ms 3204 KB Output is correct
61 Correct 47 ms 27696 KB Output is correct
62 Correct 140 ms 79944 KB Output is correct
63 Correct 31 ms 3536 KB Output is correct
64 Correct 77 ms 36664 KB Output is correct
65 Correct 1 ms 468 KB Output is correct
66 Correct 1 ms 596 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 468 KB Output is correct
71 Correct 19 ms 8924 KB Output is correct
72 Correct 5 ms 596 KB Output is correct
73 Correct 6 ms 2600 KB Output is correct
74 Correct 13 ms 1104 KB Output is correct
75 Correct 15 ms 3148 KB Output is correct
76 Correct 48 ms 27696 KB Output is correct
77 Correct 128 ms 80020 KB Output is correct
78 Correct 31 ms 3560 KB Output is correct
79 Correct 96 ms 36684 KB Output is correct
80 Correct 41 ms 1996 KB Output is correct
81 Correct 38 ms 9036 KB Output is correct
82 Correct 131 ms 80032 KB Output is correct
83 Correct 1 ms 312 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 16 ms 9044 KB Output is correct
86 Correct 4 ms 576 KB Output is correct
87 Correct 6 ms 2628 KB Output is correct
88 Correct 13 ms 1096 KB Output is correct
89 Correct 19 ms 3456 KB Output is correct
90 Correct 60 ms 27956 KB Output is correct
91 Correct 182 ms 81048 KB Output is correct
92 Correct 32 ms 4048 KB Output is correct
93 Correct 92 ms 37252 KB Output is correct
94 Correct 4 ms 596 KB Output is correct
95 Correct 13 ms 8968 KB Output is correct
96 Correct 1 ms 440 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 0 ms 308 KB Output is correct
99 Correct 0 ms 340 KB Output is correct