답안 #98874 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
98874	2019-02-27T04:01:04 Z	bash	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	854 ms	153460 KB

joi2019_ho_t1

/**
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*/
#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>

#define F first
#define S second
#define endl '\n'
#define deb(x) cout<<#x<<' '<<x<<endl;
#define pb push_back

const long long MAXN = 1e6 + 1;
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;


long long readInt() {
    bool minus1 = false;
    long long result = 0;
    char ch;
    ch = getchar();
    while (true) {
        if (ch == '-') break;
        if (ch >= '0' && ch <= '9') break;
        ch = getchar();
    }
    if (ch == '-') minus1 = true; else result = ch-'0';
    while (true) {
        ch = getchar();
        if (ch < '0' || ch > '9') break;
        result = result*10 + (ch - '0');
    }
    if (minus1)
        return -result;
    else
        return result;
}

#define int __int64_t

const int N = 3025;

char a[N][N];

int cntI[N][N];
int cntO[N][N];

main() {
	#ifdef IZI_KATKA
	assert(freopen("input", "r", stdin));
    assert(freopen("output", "w", stdout));
    #endif
    int n = readInt(), m = readInt();
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
        }
    }
    for (int i = n; i >= 1; i--) {
        for (int j = 1; j <= m; j++) {
            cntI[i][j] = cntI[i + 1][j] + (a[i][j] == 'I');
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = m; j >= 1; j--) {
            cntO[i][j] = cntO[i][j + 1] + (a[i][j] == 'O');
        }
    }
    int res = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (a[i][j] == 'J') {
                int ans = cntI[i][j] * cntO[i][j];
                res += ans;
            }
        }
    }
    cout << res;
    return 0;
}

Compilation message

joi2019_ho_t1.cpp:70:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	5 ms	1740 KB	Output is correct
6	Correct	4 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	4 ms	1536 KB	Output is correct
10	Correct	5 ms	1536 KB	Output is correct
11	Correct	4 ms	1532 KB	Output is correct
12	Correct	5 ms	1536 KB	Output is correct
13	Correct	5 ms	1536 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	5 ms	1740 KB	Output is correct
6	Correct	4 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	4 ms	1536 KB	Output is correct
10	Correct	5 ms	1536 KB	Output is correct
11	Correct	4 ms	1532 KB	Output is correct
12	Correct	5 ms	1536 KB	Output is correct
13	Correct	5 ms	1536 KB	Output is correct
14	Correct	25 ms	9088 KB	Output is correct
15	Correct	7 ms	5092 KB	Output is correct
16	Correct	17 ms	5376 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	31 ms	10032 KB	Output is correct
19	Correct	31 ms	9856 KB	Output is correct
20	Correct	24 ms	9848 KB	Output is correct
21	Correct	36 ms	9976 KB	Output is correct
22	Correct	24 ms	9848 KB	Output is correct
23	Correct	29 ms	9856 KB	Output is correct
24	Correct	28 ms	9984 KB	Output is correct
25	Correct	29 ms	9848 KB	Output is correct
26	Correct	28 ms	9848 KB	Output is correct

Subtask #3
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	5 ms	1740 KB	Output is correct
6	Correct	4 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	4 ms	1536 KB	Output is correct
10	Correct	5 ms	1536 KB	Output is correct
11	Correct	4 ms	1532 KB	Output is correct
12	Correct	5 ms	1536 KB	Output is correct
13	Correct	5 ms	1536 KB	Output is correct
14	Correct	25 ms	9088 KB	Output is correct
15	Correct	7 ms	5092 KB	Output is correct
16	Correct	17 ms	5376 KB	Output is correct
17	Correct	4 ms	512 KB	Output is correct
18	Correct	31 ms	10032 KB	Output is correct
19	Correct	31 ms	9856 KB	Output is correct
20	Correct	24 ms	9848 KB	Output is correct
21	Correct	36 ms	9976 KB	Output is correct
22	Correct	24 ms	9848 KB	Output is correct
23	Correct	29 ms	9856 KB	Output is correct
24	Correct	28 ms	9984 KB	Output is correct
25	Correct	29 ms	9848 KB	Output is correct
26	Correct	28 ms	9848 KB	Output is correct
27	Correct	755 ms	153460 KB	Output is correct
28	Correct	33 ms	26360 KB	Output is correct
29	Correct	56 ms	13944 KB	Output is correct
30	Correct	6 ms	896 KB	Output is correct
31	Correct	532 ms	127480 KB	Output is correct
32	Correct	801 ms	153044 KB	Output is correct
33	Correct	750 ms	152760 KB	Output is correct
34	Correct	642 ms	147328 KB	Output is correct
35	Correct	724 ms	153080 KB	Output is correct
36	Correct	647 ms	152568 KB	Output is correct
37	Correct	854 ms	153216 KB	Output is correct
38	Correct	561 ms	126664 KB	Output is correct
39	Correct	515 ms	126968 KB	Output is correct

답안 #98874

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 30.0 / 30.0

Subtask #3 50.0 / 50.0

Subtask #1
20.0 / 20.0

Subtask #2
30.0 / 30.0

Subtask #3
50.0 / 50.0