Submission #765984

# Submission time Handle Problem Language Result Execution time Memory
765984 2023-06-25T08:26:33 Z vjudge1 Colouring a rectangle (eJOI19_colouring) C++14
10 / 100
39 ms 7652 KB
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

#define ordered_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
#define len(x) (int)x.size()
#define ull unsigned long long
#define F first
#define S second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define int long long

using namespace std;
using namespace __gnu_pbds;
using ll = long long;

const int N = 2e5 + 5;
const int MOD = 1e9 + 7;
int n,m,a[N],b[N],ans;

main(){
	// freopen("txt.in", "r", stdin);
	// freopen("txt.out", "w", stdout);
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin >> m >> n;
	for (int i=1;i<=m+n-1;i++){
		cin >> a[i];
	}
	for (int i=1;i<=m+n-1;i++){
		cin >> b[i];
	}
	reverse(a + 1, a + n + m);
	for (int i=1;i<=m+n-1;i++){
		ans+=min(a[i], b[i]);
	}
	cout << ans;
}

//order_of_key(k): Number of items strictly smaller than k .
//find_by_order(k): K-th element in a set (counting from zero).

//sum of squares n*(n+1)*(2n+1)/6
//sum of cubes [n*(n+1)/2]^2
//sum of squares for odds n*(4*n*n-1)/3
//sum of cubes for odds n*n*(2*n*n-1)

//a/b%mod = a*(b^(m-2)%mod)
//(a>>x)&1 == 0
//a^b = (a+b)-2(a&b)

//srand(time(0))-always changing

Compilation message

colouring.cpp:26:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      | ^~~~
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 31 ms 3416 KB Output is correct
2 Correct 32 ms 7272 KB Output is correct
3 Correct 31 ms 7268 KB Output is correct
4 Correct 39 ms 7420 KB Output is correct
5 Correct 36 ms 7652 KB Output is correct
6 Correct 30 ms 6684 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 18 ms 3632 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -