oj.uz

Submission #702482

# Submission time Handle Problem Language Result Execution time Memory
702482 2023-02-24T07:46:14 Z nicecoder37 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 525 ms 159004 KB 
//~ #pragma GCC optimize("Ofast,unroll-loops")
//~ #pragma GCC target("avx,avx2,fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL)
#define fi first
#define se second
#define space " "
#define endl "\n"
#define mp make_pair
#define pb push_back
#define pf push_front
#define lb lower_bound
#define ub upper_bound
#define md 1000000007
#define inf 1000000000
#define li 3005
#define int long long
using namespace std;
int n,m,prei[li][li],preo[li][li],flag;
char c[li][li];
int32_t main(){
	scanf("%lld %lld",&n,&m);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			scanf(" %c",&c[i][j]);
		}
	}
	for(int i=n;i>=1;i--){
		for(int j=m;j>=1;j--){
			if(j!=m){
				preo[i][j]=preo[i][j+1];
				if(c[i][j+1]=='O') preo[i][j]++;
			}
			if(i!=n){
				prei[i][j]=prei[i+1][j];
				if(c[i+1][j]=='I') prei[i][j]++;
			}
			if(c[i][j]=='J') flag+=prei[i][j]*preo[i][j];
		}
	}
	printf("%lld\n",flag);
	return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int32_t main()':
joi2019_ho_t1.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |  scanf("%lld %lld",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:25:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |    scanf(" %c",&c[i][j]);
      |    ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 5 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 5 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 17 ms 8912 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 10 ms 5220 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 19 ms 9920 KB Output is correct
19 Correct 23 ms 9728 KB Output is correct
20 Correct 18 ms 9704 KB Output is correct
21 Correct 23 ms 9924 KB Output is correct
22 Correct 18 ms 9756 KB Output is correct
23 Correct 17 ms 9676 KB Output is correct
24 Correct 21 ms 9860 KB Output is correct
25 Correct 17 ms 9752 KB Output is correct
26 Correct 20 ms 9736 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 5 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 17 ms 8912 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 10 ms 5220 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 19 ms 9920 KB Output is correct
19 Correct 23 ms 9728 KB Output is correct
20 Correct 18 ms 9704 KB Output is correct
21 Correct 23 ms 9924 KB Output is correct
22 Correct 18 ms 9756 KB Output is correct
23 Correct 17 ms 9676 KB Output is correct
24 Correct 21 ms 9860 KB Output is correct
25 Correct 17 ms 9752 KB Output is correct
26 Correct 20 ms 9736 KB Output is correct
27 Correct 521 ms 158404 KB Output is correct
28 Correct 15 ms 26196 KB Output is correct
29 Correct 33 ms 13772 KB Output is correct
30 Correct 2 ms 736 KB Output is correct
31 Correct 402 ms 131312 KB Output is correct
32 Correct 486 ms 158972 KB Output is correct
33 Correct 521 ms 158428 KB Output is correct
34 Correct 441 ms 152212 KB Output is correct
35 Correct 519 ms 158868 KB Output is correct
36 Correct 493 ms 158444 KB Output is correct
37 Correct 525 ms 159004 KB Output is correct
38 Correct 375 ms 130744 KB Output is correct
39 Correct 331 ms 130736 KB Output is correct