Submission #380985

# Submission time Handle Problem Language Result Execution time Memory
380985 2021-03-24T03:06:14 Z arwaeystoamneg Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
361 ms 89708 KB
/*
ID: awesome35
LANG: C++14
TASK: vans
*/
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<unordered_set>
#include<unordered_map>
#include<chrono>

using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pair<int, int>> vpi;
typedef vector<pair<ll, ll>> vpll;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define mp make_pair
#define rsz resize
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define f first
#define s second
#define cont continue
#define endl '\n'
#define ednl '\n'
#define test int testc;cin>>testc;while(testc--)
#define pr(a, b) trav(x,a)cerr << x << b; cerr << endl;
#define message cout << "Hello World" << endl;
const int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 }; // for every grid problem!!
const ll linf = 4000000000000000000LL;
const ll inf = 1000000007;//  998244353
const ld pi = 3.1415926535;

void pv(vi a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vll a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vector<vi>a) {
	F0R(i, sz(a)) { cout << i << endl; pv(a[i]); cout << endl; }
}void pv(vector<vll>a) { F0R(i, sz(a)) { cout << i << endl; pv(a[i]); }cout << endl; }void pv(vector<string>a) { trav(x, a)cout << x << endl; cout << endl; }
void setIO(string s) {
	ios_base::sync_with_stdio(0); cin.tie(0);
	if (sz(s))
	{
		freopen((s + ".in").c_str(), "r", stdin);
		if (s != "test1")
			freopen((s + ".out").c_str(), "w", stdout);
	}
}
/*
#ifndef arwaeystoamneg
#include ".h"
#endif*/
#ifdef arwaeystoamneg
#endif
int main()
{
	setIO("");
	int n, m;
	cin >> n >> m;
	vector<string>a(n);
	trav(x, a)cin >> x;
	vector<vi> O(n, vi(m)), I(n, vi(m));
	F0R(i, n)R0F(j, m)
	{
		if (a[i][j] == 'O')O[i][j] = 1;
		if (j != m - 1)O[i][j] += O[i][j + 1];
	}
	F0R(j, m)
	{
		R0F(i, n)
		{
			if (a[i][j] == 'I')I[i][j] = 1;
			if (i != n - 1)I[i][j] += I[i + 1][j];
		}
	}
	ll ans = 0;
	F0R(i, n)
	{
		F0R(j, m)
		{
			if (a[i][j] == 'J')
			{
				ans += O[i][j] * I[i][j];
			}
		}
	}
	cout << ans << endl;
}

Compilation message

joi2019_ho_t1.cpp: In function 'void setIO(std::string)':
joi2019_ho_t1.cpp:53:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   53 |   freopen((s + ".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:55:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   55 |    freopen((s + ".out").c_str(), "w", stdout);
      |    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 6 ms 2284 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 3 ms 1644 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 8 ms 2796 KB Output is correct
19 Correct 6 ms 2796 KB Output is correct
20 Correct 5 ms 2924 KB Output is correct
21 Correct 8 ms 2796 KB Output is correct
22 Correct 5 ms 2796 KB Output is correct
23 Correct 5 ms 2796 KB Output is correct
24 Correct 9 ms 2924 KB Output is correct
25 Correct 6 ms 2796 KB Output is correct
26 Correct 5 ms 2796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 6 ms 2284 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 3 ms 1644 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 8 ms 2796 KB Output is correct
19 Correct 6 ms 2796 KB Output is correct
20 Correct 5 ms 2924 KB Output is correct
21 Correct 8 ms 2796 KB Output is correct
22 Correct 5 ms 2796 KB Output is correct
23 Correct 5 ms 2796 KB Output is correct
24 Correct 9 ms 2924 KB Output is correct
25 Correct 6 ms 2796 KB Output is correct
26 Correct 5 ms 2796 KB Output is correct
27 Correct 339 ms 84668 KB Output is correct
28 Correct 2 ms 876 KB Output is correct
29 Correct 13 ms 6764 KB Output is correct
30 Correct 1 ms 620 KB Output is correct
31 Correct 252 ms 62484 KB Output is correct
32 Correct 312 ms 89324 KB Output is correct
33 Correct 327 ms 89324 KB Output is correct
34 Correct 272 ms 72172 KB Output is correct
35 Correct 313 ms 89068 KB Output is correct
36 Correct 284 ms 89452 KB Output is correct
37 Correct 361 ms 89708 KB Output is correct
38 Correct 196 ms 61804 KB Output is correct
39 Correct 199 ms 62188 KB Output is correct