답안 #216564

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
216564 2020-03-27T13:56:21 Z LittleFlowers__ Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
269 ms 159352 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define bit(x,i) ((x>>(i-1))&1)
#define on(x,i) (x|(1ll<<(i-1)))
#define off(x,i) (x&~(1<<(i-1)))
#define gg exit(0);

const int N=3010;

int m,n,ret;
int r[N][N],d[N][N];
char a[N][N];

main(){
    #define task "Bitaro"
    //freopen(task".inp","r",stdin);
    //freopen(task".out","w",stdout);
    fasty;

    cin>>m>>n;
    forinc(i,1,m) forinc(j,1,n) cin>>a[i][j];
    forinc(i,1,m) fordec(j,n,1) r[i][j]=r[i][j+1] + (a[i][j]=='O');
    fordec(i,m,1) forinc(j,1,n) d[i][j]=d[i+1][j] + (a[i][j]=='I');
    forinc(i,1,m) forinc(j,1,n) if(a[i][j]=='J') ret+=r[i][j] * d[i][j];
    cout<<ret;
}

Compilation message

joi2019_ho_t1.cpp:29:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1664 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 5 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 6 ms 1664 KB Output is correct
10 Correct 5 ms 1536 KB Output is correct
11 Correct 6 ms 1664 KB Output is correct
12 Correct 7 ms 1536 KB Output is correct
13 Correct 7 ms 1536 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1664 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 5 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 6 ms 1664 KB Output is correct
10 Correct 5 ms 1536 KB Output is correct
11 Correct 6 ms 1664 KB Output is correct
12 Correct 7 ms 1536 KB Output is correct
13 Correct 7 ms 1536 KB Output is correct
14 Correct 14 ms 9088 KB Output is correct
15 Correct 7 ms 5120 KB Output is correct
16 Correct 10 ms 5376 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 14 ms 10112 KB Output is correct
19 Correct 13 ms 9856 KB Output is correct
20 Correct 14 ms 9856 KB Output is correct
21 Correct 15 ms 10112 KB Output is correct
22 Correct 14 ms 9856 KB Output is correct
23 Correct 18 ms 9856 KB Output is correct
24 Correct 14 ms 9984 KB Output is correct
25 Correct 20 ms 9856 KB Output is correct
26 Correct 13 ms 9856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1664 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 5 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 6 ms 1664 KB Output is correct
10 Correct 5 ms 1536 KB Output is correct
11 Correct 6 ms 1664 KB Output is correct
12 Correct 7 ms 1536 KB Output is correct
13 Correct 7 ms 1536 KB Output is correct
14 Correct 14 ms 9088 KB Output is correct
15 Correct 7 ms 5120 KB Output is correct
16 Correct 10 ms 5376 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 14 ms 10112 KB Output is correct
19 Correct 13 ms 9856 KB Output is correct
20 Correct 14 ms 9856 KB Output is correct
21 Correct 15 ms 10112 KB Output is correct
22 Correct 14 ms 9856 KB Output is correct
23 Correct 18 ms 9856 KB Output is correct
24 Correct 14 ms 9984 KB Output is correct
25 Correct 20 ms 9856 KB Output is correct
26 Correct 13 ms 9856 KB Output is correct
27 Correct 269 ms 158948 KB Output is correct
28 Correct 21 ms 26496 KB Output is correct
29 Correct 22 ms 13952 KB Output is correct
30 Correct 6 ms 896 KB Output is correct
31 Correct 190 ms 131704 KB Output is correct
32 Correct 231 ms 159336 KB Output is correct
33 Correct 253 ms 158944 KB Output is correct
34 Correct 229 ms 152704 KB Output is correct
35 Correct 239 ms 159292 KB Output is correct
36 Correct 249 ms 158804 KB Output is correct
37 Correct 269 ms 159352 KB Output is correct
38 Correct 176 ms 131064 KB Output is correct
39 Correct 171 ms 131288 KB Output is correct