oj.uz

Submission #501035

# Submission time Handle Problem Language Result Execution time Memory
501035 2022-01-02T09:16:47 Z EliteCallsYou Divide and conquer (IZhO14_divide) C++17
48 / 100
 1000 ms 2472 KB 
# include <bits/stdc++.h>
using namespace std ;
//############################################################################
# define read(a)/**/for(int i=0;i<int(sizeof(a)/sizeof(a[0]));i++){cin>>a[i];}
# define print(x)/**/for(auto zx:x){cout<<zx<<' ';}
const char* tochar(string a){return a.c_str();}
void files(){freopen("planting.in","r",stdin);freopen("planting.out","w",stdout);}
void speed(){ios_base::sync_with_stdio(false);cin.tie(0);}
long long gcd(long long a,long long b){if(!b){return a;}a%=b;return gcd(b,a);}
long long lcm(long long a,long long b){return a /gcd(a,b) * b;}
//###########################################################################
const int N = 1e5 + 5 ;
const long long MOD = 1e17+7 ;
//###########################################################################
void hack(){}
//###########################################################################
int main(){
	int n ; cin >> n ;
	long long x[n],g[n],e[n] ;
	for ( int i = 0 ; i < n ; i ++ ){
		cin >> x[i] >> g[i] >> e[i] ;
	}
	long long mx = 0 ;
	for ( int i = 0 ; i < n ; i ++ ){
		long long energy = 0, gold = 0 ;
		for ( int j = i ; j < n ; j ++ ){

			energy += e[j] ;
			gold += g[j] ;

			long long dist = x[j]-x[i] ;
			if ( energy >= dist ){
				mx = max(mx,gold) ;
			}
		}
	}
	cout << mx << '\n' ;
}

Compilation message

divide.cpp: In function 'void files()':
divide.cpp:7:21: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 | void files(){freopen("planting.in","r",stdin);freopen("planting.out","w",stdout);}
      |              ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
divide.cpp:7:54: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 | void files(){freopen("planting.in","r",stdin);freopen("planting.out","w",stdout);}
      |                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 2 ms 204 KB Output is correct
18 Correct 3 ms 300 KB Output is correct
19 Correct 2 ms 204 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 3 ms 300 KB Output is correct
23 Correct 21 ms 460 KB Output is correct
24 Correct 14 ms 516 KB Output is correct

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 2 ms 204 KB Output is correct
18 Correct 3 ms 300 KB Output is correct
19 Correct 2 ms 204 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 3 ms 300 KB Output is correct
23 Correct 21 ms 460 KB Output is correct
24 Correct 14 ms 516 KB Output is correct
25 Correct 16 ms 332 KB Output is correct
26 Correct 57 ms 612 KB Output is correct
27 Correct 60 ms 588 KB Output is correct
28 Execution timed out 1049 ms 2472 KB Time limit exceeded
29 Halted 0 ms 0 KB -