oj.uz

Submission #136210

# Submission time Handle Problem Language Result Execution time Memory
136210 2019-07-25T01:40:22 Z Utaha Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 354 ms 89464 KB 
/*input
4 4
JJOO
JJOO
IIJO
IIIJ
*/
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ld,ld> pdd;
#define IOS ios_base::sync_with_stdio(0); cin.tie(0)
#define ALL(a) a.begin(),a.end()
#define SZ(a) ((int)a.size())
#define F first
#define S second
#define REP(i,n) for(int i=0;i<((int)n);i++)
#define pb emplace_back
#define MP(a,b) make_pair(a,b)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin())
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<'('<<P.F<<','<<P.S<<')';
    return out;
}
#define version 20190713
//}}}
const ll maxn=3005;
const ll maxlg=__lg(maxn)+2;
const ll INF64=8000000000000000000LL;
const int INF=0x3f3f3f3f;
const ll MOD=ll(1e9+7);
const ld PI=acos(-1);
const ld eps=1e-9;
//const ll p=880301;
//const ll P=31;

ll mypow(ll a,ll b){
    ll res=1LL;
    while(b){
        if(b&1) res=res*a%MOD;
        a=a*a%MOD;
        
        b>>=1;
    }
    return res;
}

string s[maxn];

int r[maxn][maxn];
int c[maxn][maxn];

int main(){
    IOS;
    int n,m;
    cin>>n>>m;
    REP(i,n) cin>>s[i];

    for(int j=m-1;j>=0;j--) REP(i,n){
        if(j==m-1) r[i][j]=(s[i][j]=='O');
        else r[i][j]=r[i][j+1]+(s[i][j]=='O');
    }
    for(int i=n-1;i>=0;i--) REP(j,m){
        if(i==n-1) c[i][j]=(s[i][j]=='I');
        else c[i][j]=c[i+1][j]+(s[i][j]=='I');
    }
    ll ans=0;
    REP(i,n) REP(j,m) if(s[i][j]=='J'){
        ans+=r[i][j]*c[i][j];
    }
    cout<<ans<<'\n';
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 2 ms 1272 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct
11 Correct 3 ms 1400 KB Output is correct
12 Correct 3 ms 1400 KB Output is correct
13 Correct 3 ms 1276 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 2 ms 1272 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct
11 Correct 3 ms 1400 KB Output is correct
12 Correct 3 ms 1400 KB Output is correct
13 Correct 3 ms 1276 KB Output is correct
14 Correct 10 ms 6392 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 6 ms 3832 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 11 ms 6904 KB Output is correct
19 Correct 10 ms 6776 KB Output is correct
20 Correct 9 ms 6776 KB Output is correct
21 Correct 10 ms 6904 KB Output is correct
22 Correct 9 ms 6776 KB Output is correct
23 Correct 8 ms 6776 KB Output is correct
24 Correct 10 ms 6904 KB Output is correct
25 Correct 9 ms 6776 KB Output is correct
26 Correct 9 ms 6776 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1400 KB Output is correct
7 Correct 2 ms 1272 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct
11 Correct 3 ms 1400 KB Output is correct
12 Correct 3 ms 1400 KB Output is correct
13 Correct 3 ms 1276 KB Output is correct
14 Correct 10 ms 6392 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 6 ms 3832 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 11 ms 6904 KB Output is correct
19 Correct 10 ms 6776 KB Output is correct
20 Correct 9 ms 6776 KB Output is correct
21 Correct 10 ms 6904 KB Output is correct
22 Correct 9 ms 6776 KB Output is correct
23 Correct 8 ms 6776 KB Output is correct
24 Correct 10 ms 6904 KB Output is correct
25 Correct 9 ms 6776 KB Output is correct
26 Correct 9 ms 6776 KB Output is correct
27 Correct 353 ms 88456 KB Output is correct
28 Correct 25 ms 19320 KB Output is correct
29 Correct 13 ms 7800 KB Output is correct
30 Correct 2 ms 760 KB Output is correct
31 Correct 255 ms 72108 KB Output is correct
32 Correct 328 ms 89408 KB Output is correct
33 Correct 350 ms 89208 KB Output is correct
34 Correct 290 ms 83400 KB Output is correct
35 Correct 317 ms 89324 KB Output is correct
36 Correct 339 ms 89440 KB Output is correct
37 Correct 354 ms 89464 KB Output is correct
38 Correct 207 ms 72056 KB Output is correct
39 Correct 209 ms 71928 KB Output is correct