Submission #167508

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
167508	2019-12-08T18:03:29 Z	Thuleanx	Lollipop (POI11_liz)	C++14	100 / 100	539 ms	51088 KB

liz

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

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n, m; cin>>n>>m;
	string s; cin>>s;

	int p[n];
	for (int i = 0; i < n; i++)
		p[i] = (i?p[i-1]:0) + (s[i] == 'T' ? 2 : 1);
	int st = 0, tt = n-1;
	while (st < n && s[st] == 'T')
		st++;
	while (tt >= 0 && s[tt] == 'T')
		tt--;

	stringstream ss;
	while (m--) {
		int x; cin>>x;
		if (p[n-1] - (st?p[st-1]:0) >= x) {
			// always possible
			int lo = st, hi = n-1;
			int left = st?p[st-1]:0;
			while (lo <= hi) {
				int mid = lo+hi>>1;
				if (p[mid] - left >= x)
					hi = mid-1;
				else lo = mid+1;
			}
			ss << st+1+(p[lo]-left>x) << " " << lo+1 << endl;
		} else if (p[tt] >= x) {
			// always possible
			int lo = 0, hi = tt;
			while (lo <= hi) {
				int mid = lo+hi>>1;
				if (p[tt] - (mid?p[mid-1]:0) >= x)
					lo = mid+1;
				else hi = mid-1;
			}
			ss << hi+1 << " " << tt + 1 - (p[tt] - (hi?p[hi-1]:0) > x) << endl;
		} else {
			// maybe not
			int lo = 0, hi = n-1;
			while (lo <= hi) {
				int mid = lo+hi>>1;
				if (p[mid] >= x) hi = mid-1;
				else lo = mid+1;
			}
			if (p[lo] == x)
				ss << 1 << " " << lo+1 << endl;
			else
				ss << "NIE" << endl;
		}
	}
	cout << ss.str();

	return 0;
}

Compilation message

liz.cpp: In function 'int main()':
liz.cpp:28:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = lo+hi>>1;
               ~~^~~
liz.cpp:38:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = lo+hi>>1;
               ~~^~~
liz.cpp:48:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = lo+hi>>1;
               ~~^~~

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct

Subtask #2

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct

Subtask #3

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	412 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	9 ms	1020 KB	Output is correct

Subtask #4

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	632 KB	Output is correct
2	Correct	6 ms	760 KB	Output is correct
3	Correct	6 ms	760 KB	Output is correct

Subtask #5

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	1264 KB	Output is correct
2	Correct	10 ms	1268 KB	Output is correct
3	Correct	40 ms	4332 KB	Output is correct

Subtask #6

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	35 ms	4096 KB	Output is correct
2	Correct	165 ms	14528 KB	Output is correct
3	Correct	79 ms	8556 KB	Output is correct

Subtask #7

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	3576 KB	Output is correct
2	Correct	34 ms	3368 KB	Output is correct
3	Correct	82 ms	8612 KB	Output is correct

Subtask #8

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	131 ms	10864 KB	Output is correct
2	Correct	120 ms	11168 KB	Output is correct
3	Correct	178 ms	17372 KB	Output is correct

Subtask #9

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	292 ms	28312 KB	Output is correct
2	Correct	281 ms	27112 KB	Output is correct
3	Correct	334 ms	32932 KB	Output is correct

Subtask #10

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	258 ms	24340 KB	Output is correct
2	Correct	342 ms	30512 KB	Output is correct
3	Correct	387 ms	35944 KB	Output is correct

Subtask #11

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	532 ms	48492 KB	Output is correct
2	Correct	458 ms	45728 KB	Output is correct
3	Correct	483 ms	43608 KB	Output is correct

Subtask #12

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	539 ms	51088 KB	Output is correct
2	Correct	534 ms	40268 KB	Output is correct
3	Correct	399 ms	46688 KB	Output is correct