답안 #55431 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
55431	2018-07-07T09:31:29 Z	내가진짜뚜룹뚭스(#2073)	Toilets (JOI16_toilets)	C++11	100 / 100	36 ms	824 KB

toilets

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

ll n, m, INF = 1LL<<60;

char str[200100];
int main() {
    scanf("%lld%lld",&n,&m);
    int i, j;
    ll ap = 0, ans = 0;
    for (i=0;i<m;i++) {
        ll k;
        scanf(" %s%lld",str,&k);
        ll p = 0, mini = 0;
        int len = strlen(str);
        for (j=0;j<len;j++) {
            p+=(str[j]=='M'?1:-1);
            mini = min(mini,p);
        }
        ans = min(ans,min(ap+mini,ap+p*(k-1)+mini));
        ap += p*k;
    }
    if (ap>0) {
        printf("-1\n");
        return 0;
    }
    if (ans==ap) {
        printf("0\n");
        return 0;
    }
    printf("%lld\n",ap-1-ans);

    return 0;
}

Compilation message

toilets.cpp: In function 'int main()':
toilets.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~
toilets.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %s%lld",str,&k);
         ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	392 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	496 KB	Output is correct
8	Correct	2 ms	496 KB	Output is correct
9	Correct	3 ms	496 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	2 ms	496 KB	Output is correct
12	Correct	2 ms	496 KB	Output is correct
13	Correct	2 ms	496 KB	Output is correct
14	Correct	3 ms	548 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	688 KB	Output is correct
17	Correct	2 ms	688 KB	Output is correct
18	Correct	2 ms	688 KB	Output is correct
19	Correct	2 ms	688 KB	Output is correct
20	Correct	3 ms	688 KB	Output is correct
21	Correct	3 ms	688 KB	Output is correct
22	Correct	2 ms	688 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	392 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	496 KB	Output is correct
8	Correct	2 ms	496 KB	Output is correct
9	Correct	3 ms	496 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	2 ms	496 KB	Output is correct
12	Correct	2 ms	496 KB	Output is correct
13	Correct	2 ms	496 KB	Output is correct
14	Correct	3 ms	548 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	688 KB	Output is correct
17	Correct	2 ms	688 KB	Output is correct
18	Correct	2 ms	688 KB	Output is correct
19	Correct	2 ms	688 KB	Output is correct
20	Correct	3 ms	688 KB	Output is correct
21	Correct	3 ms	688 KB	Output is correct
22	Correct	2 ms	688 KB	Output is correct
23	Correct	3 ms	748 KB	Output is correct
24	Correct	3 ms	752 KB	Output is correct
25	Correct	4 ms	752 KB	Output is correct
26	Correct	3 ms	752 KB	Output is correct
27	Correct	4 ms	752 KB	Output is correct
28	Correct	4 ms	824 KB	Output is correct
29	Correct	3 ms	824 KB	Output is correct
30	Correct	4 ms	824 KB	Output is correct
31	Correct	4 ms	824 KB	Output is correct
32	Correct	5 ms	824 KB	Output is correct
33	Correct	3 ms	824 KB	Output is correct
34	Correct	4 ms	824 KB	Output is correct
35	Correct	4 ms	824 KB	Output is correct
36	Correct	3 ms	824 KB	Output is correct
37	Correct	4 ms	824 KB	Output is correct
38	Correct	4 ms	824 KB	Output is correct
39	Correct	4 ms	824 KB	Output is correct
40	Correct	4 ms	824 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	392 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	496 KB	Output is correct
8	Correct	2 ms	496 KB	Output is correct
9	Correct	3 ms	496 KB	Output is correct
10	Correct	2 ms	496 KB	Output is correct
11	Correct	2 ms	496 KB	Output is correct
12	Correct	2 ms	496 KB	Output is correct
13	Correct	2 ms	496 KB	Output is correct
14	Correct	3 ms	548 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	688 KB	Output is correct
17	Correct	2 ms	688 KB	Output is correct
18	Correct	2 ms	688 KB	Output is correct
19	Correct	2 ms	688 KB	Output is correct
20	Correct	3 ms	688 KB	Output is correct
21	Correct	3 ms	688 KB	Output is correct
22	Correct	2 ms	688 KB	Output is correct
23	Correct	3 ms	748 KB	Output is correct
24	Correct	3 ms	752 KB	Output is correct
25	Correct	4 ms	752 KB	Output is correct
26	Correct	3 ms	752 KB	Output is correct
27	Correct	4 ms	752 KB	Output is correct
28	Correct	4 ms	824 KB	Output is correct
29	Correct	3 ms	824 KB	Output is correct
30	Correct	4 ms	824 KB	Output is correct
31	Correct	4 ms	824 KB	Output is correct
32	Correct	5 ms	824 KB	Output is correct
33	Correct	3 ms	824 KB	Output is correct
34	Correct	4 ms	824 KB	Output is correct
35	Correct	4 ms	824 KB	Output is correct
36	Correct	3 ms	824 KB	Output is correct
37	Correct	4 ms	824 KB	Output is correct
38	Correct	4 ms	824 KB	Output is correct
39	Correct	4 ms	824 KB	Output is correct
40	Correct	4 ms	824 KB	Output is correct
41	Correct	30 ms	824 KB	Output is correct
42	Correct	35 ms	824 KB	Output is correct
43	Correct	2 ms	824 KB	Output is correct
44	Correct	3 ms	824 KB	Output is correct
45	Correct	2 ms	824 KB	Output is correct
46	Correct	8 ms	824 KB	Output is correct
47	Correct	5 ms	824 KB	Output is correct
48	Correct	3 ms	824 KB	Output is correct
49	Correct	3 ms	824 KB	Output is correct
50	Correct	4 ms	824 KB	Output is correct
51	Correct	6 ms	824 KB	Output is correct
52	Correct	36 ms	824 KB	Output is correct
53	Correct	32 ms	824 KB	Output is correct
54	Correct	30 ms	824 KB	Output is correct
55	Correct	4 ms	824 KB	Output is correct
56	Correct	3 ms	824 KB	Output is correct

답안 #55431

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 22.0 / 22.0

Subtask #3 64.0 / 64.0

Subtask #1
14.0 / 14.0

Subtask #2
22.0 / 22.0

Subtask #3
64.0 / 64.0