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Submission #55431

# Submission time Handle Problem Language Result Execution time Memory
55431 2018-07-07T09:31:29 Z 내가진짜뚜룹뚭스(#2073) Toilets (JOI16_toilets) C++11
100 / 100
 36 ms 824 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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