oj.uz

Submission #144867

# Submission time Handle Problem Language Result Execution time Memory
144867 2019-08-17T23:31:10 Z 12tqian Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 247 ms 108016 KB 
#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

const double PI = 4 * atan(1);

#define sz(x) (int)(x).size()
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define pii pair <int, int>
#define vi vector<int>
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define vpi vector<pair<int, int>>
#define vpd vector<pair<double, double>>
#define pd pair<double, double>

#define f0r(i,a) for(int i=0;i<a;i++)
#define f1r(i,a,b) for(int i=a;i<b;i++)
#define trav(a, x) for (auto& a : x)

template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) {
  cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";
}

void fast_io(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
}
void io(string taskname){
    string fin = taskname + ".in";
    string fout = taskname + ".out";
    const char* FIN = fin.c_str();
    const char* FOUT = fout.c_str();
    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);
    fast_io();
}
const int MAX = 3e3 + 5;
int orb[MAX][MAX];
int ingot[MAX][MAX];
vpi jewel;
int main(){
    fast_io();
    int h, w;
    cin >> h >> w;
    string temporary;
    getline(cin, temporary);
    f0r(i, h){
        string s;
        getline(cin, s);
        f0r(j, w){
            if(s[j] == 'J'){
                jewel.eb(mp(i, j));
            }
            else if(s[j] == 'O'){
                orb[i][j]++;
            }
            else{
                ingot[i][j]++;
            }
        }
    }
    f0r(i, h){
        f1r(j,1, w){
            orb[i][j] += orb[i][j-1];
        }
    }
    f0r(i, w){
        f1r(j,1, h){
            ingot[j][i] += ingot[j-1][i];
        }
    }
    ll ans = 0;
    for(auto p: jewel){
        int i = p.f;
        int j = p.s;
        ll v1 = orb[i][w-1] - orb[i][j];
        ll v2 = ingot[h-1][j] - ingot[i][j];
        ans += v1*v2;
    }
    cout << ans << endl;
    return 0;
}

Compilation message

joi2019_ho_t1.cpp:1:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/stack:200000000")
 
joi2019_ho_t1.cpp: In function 'void io(std::__cxx11::string)':
joi2019_ho_t1.cpp:52:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen(FIN, "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:53:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen(FOUT, "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1148 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 4 ms 1272 KB Output is correct
11 Correct 3 ms 1272 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1148 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 4 ms 1272 KB Output is correct
11 Correct 3 ms 1272 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 10 ms 6744 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 8 ms 4056 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 13 ms 7276 KB Output is correct
19 Correct 10 ms 6780 KB Output is correct
20 Correct 11 ms 7148 KB Output is correct
21 Correct 12 ms 7404 KB Output is correct
22 Correct 12 ms 7280 KB Output is correct
23 Correct 18 ms 7280 KB Output is correct
24 Correct 13 ms 7536 KB Output is correct
25 Correct 10 ms 6776 KB Output is correct
26 Correct 12 ms 7276 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1148 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 4 ms 1272 KB Output is correct
11 Correct 3 ms 1272 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 10 ms 6744 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 8 ms 4056 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 13 ms 7276 KB Output is correct
19 Correct 10 ms 6780 KB Output is correct
20 Correct 11 ms 7148 KB Output is correct
21 Correct 12 ms 7404 KB Output is correct
22 Correct 12 ms 7280 KB Output is correct
23 Correct 18 ms 7280 KB Output is correct
24 Correct 13 ms 7536 KB Output is correct
25 Correct 10 ms 6776 KB Output is correct
26 Correct 12 ms 7276 KB Output is correct
27 Correct 235 ms 101296 KB Output is correct
28 Correct 20 ms 19448 KB Output is correct
29 Correct 16 ms 9060 KB Output is correct
30 Correct 3 ms 760 KB Output is correct
31 Correct 193 ms 81596 KB Output is correct
32 Correct 143 ms 86444 KB Output is correct
33 Correct 197 ms 103008 KB Output is correct
34 Correct 208 ms 99512 KB Output is correct
35 Correct 188 ms 102528 KB Output is correct
36 Correct 229 ms 102908 KB Output is correct
37 Correct 247 ms 108016 KB Output is correct
38 Correct 113 ms 70436 KB Output is correct
39 Correct 139 ms 81340 KB Output is correct