Submission #22074

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
22074	2017-04-29T07:12:01 Z	아재 goto 써요?(#1011, baactree)	None (KRIII5P_3)	C++14	2 / 7	106 ms	5180 KB

i

// =====================================================================================
// 
//       Filename:  i.cpp
//        Created:  2017년 04월 29일 15시 53분 37초
//       Compiler:  g++ -O2 -std=c++14
//         Author:  baactree ,  [email protected]
//        Company:  Chonnam National University
// 
// =====================================================================================

#include <bits/stdc++.h>
using namespace std;
int n;
vector<pair<int, int> > event;
const int mod=1000000007;
typedef long long ll;
ll _pow(ll a, ll b){
	if(b==0)
		return 1;
	ll temp=_pow(a, b/2);
	temp=(temp*temp)%mod;
	if(b&1)
		return (temp*a)%mod;
	return temp;
}
int main(){
	scanf("%d", &n);
	for(int i=0;i<n;i++){
		int a, b;
		scanf("%d%d", &a, &b);
		if(a>=b)
			continue;
		event.push_back({a, 0});
		event.push_back({b, 1});
	}
	sort(event.begin(), event.end());
	int cnt=0;
	ll len=0;
	ll ans=0;
	int pre=0;
	for(int i=0;i<event.size();i++){
		int x=event[i].first;
		int m=event[i].second;
		len+=(long long)(x-pre)*(_pow(2, cnt)-1+mod);
		len%=mod;
		if(!m){
			ans+=_pow(2, cnt);
			ans%=mod;
			cnt++;
		}
		else{
			cnt--;
		}
		pre=x;
	}
	printf("%lld %lld\n", len, ans);
	return 0;
}

Compilation message

i.cpp: In function 'int main()':
i.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<event.size();i++){
               ^
i.cpp:27:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
i.cpp:30:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &a, &b);
                        ^

Subtask #1

2.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	0 ms	2024 KB	Output is partially correct
2	Partially correct	0 ms	2024 KB	Output is partially correct
3	Partially correct	0 ms	2024 KB	Output is partially correct
4	Partially correct	0 ms	2024 KB	Output is partially correct
5	Partially correct	0 ms	2024 KB	Output is partially correct
6	Partially correct	9 ms	2492 KB	Output is partially correct
7	Partially correct	6 ms	2492 KB	Output is partially correct
8	Partially correct	3 ms	2492 KB	Output is partially correct
9	Partially correct	6 ms	2492 KB	Output is partially correct
10	Partially correct	6 ms	2492 KB	Output is partially correct
11	Partially correct	79 ms	5180 KB	Output is partially correct
12	Partially correct	83 ms	5180 KB	Output is partially correct
13	Partially correct	96 ms	5180 KB	Output is partially correct
14	Partially correct	93 ms	5180 KB	Output is partially correct
15	Partially correct	89 ms	5180 KB	Output is partially correct
16	Partially correct	56 ms	3644 KB	Output is partially correct
17	Partially correct	63 ms	3644 KB	Output is partially correct
18	Correct	59 ms	3644 KB	Output is correct
19	Partially correct	63 ms	3644 KB	Output is partially correct
20	Partially correct	53 ms	3644 KB	Output is partially correct
21	Partially correct	89 ms	5180 KB	Output is partially correct
22	Partially correct	93 ms	5180 KB	Output is partially correct
23	Partially correct	99 ms	5180 KB	Output is partially correct
24	Partially correct	93 ms	5180 KB	Output is partially correct
25	Partially correct	73 ms	5180 KB	Output is partially correct
26	Partially correct	96 ms	5180 KB	Output is partially correct
27	Partially correct	89 ms	5180 KB	Output is partially correct
28	Partially correct	96 ms	5180 KB	Output is partially correct
29	Partially correct	103 ms	5180 KB	Output is partially correct
30	Partially correct	89 ms	5180 KB	Output is partially correct
31	Partially correct	96 ms	5180 KB	Output is partially correct
32	Partially correct	96 ms	5180 KB	Output is partially correct
33	Partially correct	86 ms	5180 KB	Output is partially correct
34	Partially correct	86 ms	5180 KB	Output is partially correct
35	Partially correct	89 ms	5180 KB	Output is partially correct
36	Partially correct	106 ms	5180 KB	Output is partially correct
37	Partially correct	83 ms	5180 KB	Output is partially correct
38	Partially correct	106 ms	5180 KB	Output is partially correct
39	Partially correct	99 ms	5180 KB	Output is partially correct
40	Partially correct	76 ms	5180 KB	Output is partially correct
41	Correct	0 ms	2024 KB	Output is correct
42	Correct	0 ms	2024 KB	Output is correct
43	Correct	3 ms	2164 KB	Output is correct
44	Correct	0 ms	2164 KB	Output is correct
45	Correct	36 ms	3644 KB	Output is correct
46	Correct	33 ms	3644 KB	Output is correct
47	Correct	39 ms	3644 KB	Output is correct
48	Partially correct	79 ms	5180 KB	Output is partially correct
49	Correct	79 ms	5180 KB	Output is correct
50	Correct	79 ms	5180 KB	Output is correct