답안 #102275

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
102275	2019-03-24T05:14:51 Z	onjo0127	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	809 ms	18040 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;

char A[3009][3009];
int se[3009], ga[3009];

int main() {
    int H, W; scanf("%d%d",&H,&W);
    for(int i=1; i<=H; i++) {
        for(int j=1; j<=W; j++) {
            scanf(" %c",&A[i][j]);
        }
    }
    long long ans = 0;
    for(int i=H; i>=1; i--) {
        for(int j=W; j>=1; j--) {
            if(A[i][j] == 'J') ans += se[j] * ga[i];
            if(A[i][j] == 'I') ++se[j];
            if(A[i][j] == 'O') ++ga[i];
        }
    }
    printf("%lld",ans);
    return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:8:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int H, W; scanf("%d%d",&H,&W);
               ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t1.cpp:11:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf(" %c",&A[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~

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	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	640 KB	Output is correct
6	Correct	3 ms	640 KB	Output is correct
7	Correct	4 ms	512 KB	Output is correct
8	Correct	2 ms	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	3 ms	640 KB	Output is correct
12	Correct	3 ms	640 KB	Output is correct
13	Correct	3 ms	640 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	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	640 KB	Output is correct
6	Correct	3 ms	640 KB	Output is correct
7	Correct	4 ms	512 KB	Output is correct
8	Correct	2 ms	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	3 ms	640 KB	Output is correct
12	Correct	3 ms	640 KB	Output is correct
13	Correct	3 ms	640 KB	Output is correct
14	Correct	14 ms	1920 KB	Output is correct
15	Correct	3 ms	1536 KB	Output is correct
16	Correct	14 ms	1152 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	20 ms	2048 KB	Output is correct
19	Correct	17 ms	1912 KB	Output is correct
20	Correct	17 ms	1920 KB	Output is correct
21	Correct	22 ms	1920 KB	Output is correct
22	Correct	26 ms	1912 KB	Output is correct
23	Correct	16 ms	1920 KB	Output is correct
24	Correct	17 ms	1920 KB	Output is correct
25	Correct	16 ms	1920 KB	Output is correct
26	Correct	22 ms	2048 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	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	640 KB	Output is correct
6	Correct	3 ms	640 KB	Output is correct
7	Correct	4 ms	512 KB	Output is correct
8	Correct	2 ms	640 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	3 ms	640 KB	Output is correct
12	Correct	3 ms	640 KB	Output is correct
13	Correct	3 ms	640 KB	Output is correct
14	Correct	14 ms	1920 KB	Output is correct
15	Correct	3 ms	1536 KB	Output is correct
16	Correct	14 ms	1152 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	20 ms	2048 KB	Output is correct
19	Correct	17 ms	1912 KB	Output is correct
20	Correct	17 ms	1920 KB	Output is correct
21	Correct	22 ms	1920 KB	Output is correct
22	Correct	26 ms	1912 KB	Output is correct
23	Correct	16 ms	1920 KB	Output is correct
24	Correct	17 ms	1920 KB	Output is correct
25	Correct	16 ms	1920 KB	Output is correct
26	Correct	22 ms	2048 KB	Output is correct
27	Correct	627 ms	17588 KB	Output is correct
28	Correct	8 ms	7168 KB	Output is correct
29	Correct	36 ms	1656 KB	Output is correct
30	Correct	4 ms	384 KB	Output is correct
31	Correct	404 ms	14024 KB	Output is correct
32	Correct	573 ms	17916 KB	Output is correct
33	Correct	503 ms	17816 KB	Output is correct
34	Correct	419 ms	16024 KB	Output is correct
35	Correct	498 ms	17796 KB	Output is correct
36	Correct	528 ms	18040 KB	Output is correct
37	Correct	809 ms	17920 KB	Output is correct
38	Correct	524 ms	13688 KB	Output is correct
39	Correct	335 ms	13692 KB	Output is correct