답안 #41580

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
41580 2018-02-19T13:45:01 Z OneSubmissionMan Art Exhibition (JOI18_art) C++11
100 / 100
236 ms 8672 KB
# include <bits/stdc++.h>

# define F first
# define S second
# define mp make_pair
// everything go according to my plan
# define pb push_back
# define sz(a) (int)(a.size())
# define vec vector
// shimkenttin kyzdary, dzyn, dzyn, dzyn...
# define y1    Y_U_NO_y1
# define left  Y_U_NO_left
# define right Y_U_NO_right

using namespace std;

typedef pair <int, int> pii;
typedef long long ll;
typedef long double ld;

const int Mod = (int)1e9 + 7;
const int MX = 1073741822;
const ll MXLL = 4e18;
const int Sz = 1110111;
// a pinch of soul
inline void Read_rap () {
  ios_base :: sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
}
inline void randomizer3000 () {
  unsigned int seed;
  asm ("rdtsc" : "=A"(seed));
  srand (seed);
}
void files (string problem) {
  if (fopen ((problem + ".in").c_str(),"r")) {
    freopen ((problem + ".in").c_str(),"r",stdin);
    freopen ((problem + ".out").c_str(),"w",stdout);
  }
}
void localInput (string in = "s") {
  if (fopen (in.c_str(), "r"))
    freopen (in.c_str(), "r", stdin);
  else {
    cerr << "Input file not found" << endl;
  }
}
int n;

pair <ll, ll> a[Sz];

int main()
{
  Read_rap();
  //localInput();
  cin >> n;
  for (int i = 1; i <= n; i++)	cin >> a[i].F >> a[i].S;

  sort (a + 1, a + n + 1);
  
  ll mn = 0, ans = 0, prefB = 0;
  for (int i = 1; i <= n; i++) {
  	mn = min (mn, prefB - a[i].F);
  	prefB += a[i].S;  
  	ans = max (ans, prefB - mn - a[i].F);
  }
  cout << ans << endl;; 	



  return 0;
}










// Coded by Z..

Compilation message

art.cpp: In function 'void files(std::__cxx11::string)':
art.cpp:37:50: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen ((problem + ".in").c_str(),"r",stdin);
                                                  ^
art.cpp:38:52: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen ((problem + ".out").c_str(),"w",stdout);
                                                    ^
art.cpp: In function 'void localInput(std::__cxx11::string)':
art.cpp:43:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen (in.c_str(), "r", stdin);
                                     ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 532 KB Output is correct
9 Correct 2 ms 532 KB Output is correct
10 Correct 1 ms 548 KB Output is correct
11 Correct 2 ms 548 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 532 KB Output is correct
9 Correct 2 ms 532 KB Output is correct
10 Correct 1 ms 548 KB Output is correct
11 Correct 2 ms 548 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 1 ms 708 KB Output is correct
22 Correct 2 ms 708 KB Output is correct
23 Correct 1 ms 708 KB Output is correct
24 Correct 2 ms 708 KB Output is correct
25 Correct 1 ms 708 KB Output is correct
26 Correct 2 ms 708 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 532 KB Output is correct
9 Correct 2 ms 532 KB Output is correct
10 Correct 1 ms 548 KB Output is correct
11 Correct 2 ms 548 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 1 ms 708 KB Output is correct
22 Correct 2 ms 708 KB Output is correct
23 Correct 1 ms 708 KB Output is correct
24 Correct 2 ms 708 KB Output is correct
25 Correct 1 ms 708 KB Output is correct
26 Correct 2 ms 708 KB Output is correct
27 Correct 4 ms 708 KB Output is correct
28 Correct 4 ms 708 KB Output is correct
29 Correct 4 ms 752 KB Output is correct
30 Correct 3 ms 752 KB Output is correct
31 Correct 3 ms 752 KB Output is correct
32 Correct 3 ms 752 KB Output is correct
33 Correct 3 ms 752 KB Output is correct
34 Correct 3 ms 752 KB Output is correct
35 Correct 3 ms 752 KB Output is correct
36 Correct 3 ms 752 KB Output is correct
37 Correct 3 ms 752 KB Output is correct
38 Correct 3 ms 752 KB Output is correct
39 Correct 3 ms 752 KB Output is correct
40 Correct 3 ms 752 KB Output is correct
41 Correct 5 ms 752 KB Output is correct
42 Correct 4 ms 752 KB Output is correct
43 Correct 4 ms 752 KB Output is correct
44 Correct 3 ms 752 KB Output is correct
45 Correct 3 ms 752 KB Output is correct
46 Correct 3 ms 752 KB Output is correct
47 Correct 3 ms 752 KB Output is correct
48 Correct 3 ms 752 KB Output is correct
49 Correct 3 ms 752 KB Output is correct
50 Correct 3 ms 752 KB Output is correct
51 Correct 3 ms 752 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 2 ms 528 KB Output is correct
8 Correct 2 ms 532 KB Output is correct
9 Correct 2 ms 532 KB Output is correct
10 Correct 1 ms 548 KB Output is correct
11 Correct 2 ms 548 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 1 ms 708 KB Output is correct
22 Correct 2 ms 708 KB Output is correct
23 Correct 1 ms 708 KB Output is correct
24 Correct 2 ms 708 KB Output is correct
25 Correct 1 ms 708 KB Output is correct
26 Correct 2 ms 708 KB Output is correct
27 Correct 4 ms 708 KB Output is correct
28 Correct 4 ms 708 KB Output is correct
29 Correct 4 ms 752 KB Output is correct
30 Correct 3 ms 752 KB Output is correct
31 Correct 3 ms 752 KB Output is correct
32 Correct 3 ms 752 KB Output is correct
33 Correct 3 ms 752 KB Output is correct
34 Correct 3 ms 752 KB Output is correct
35 Correct 3 ms 752 KB Output is correct
36 Correct 3 ms 752 KB Output is correct
37 Correct 3 ms 752 KB Output is correct
38 Correct 3 ms 752 KB Output is correct
39 Correct 3 ms 752 KB Output is correct
40 Correct 3 ms 752 KB Output is correct
41 Correct 5 ms 752 KB Output is correct
42 Correct 4 ms 752 KB Output is correct
43 Correct 4 ms 752 KB Output is correct
44 Correct 3 ms 752 KB Output is correct
45 Correct 3 ms 752 KB Output is correct
46 Correct 3 ms 752 KB Output is correct
47 Correct 3 ms 752 KB Output is correct
48 Correct 3 ms 752 KB Output is correct
49 Correct 3 ms 752 KB Output is correct
50 Correct 3 ms 752 KB Output is correct
51 Correct 3 ms 752 KB Output is correct
52 Correct 187 ms 8456 KB Output is correct
53 Correct 206 ms 8560 KB Output is correct
54 Correct 204 ms 8560 KB Output is correct
55 Correct 232 ms 8560 KB Output is correct
56 Correct 202 ms 8560 KB Output is correct
57 Correct 207 ms 8584 KB Output is correct
58 Correct 187 ms 8584 KB Output is correct
59 Correct 198 ms 8584 KB Output is correct
60 Correct 189 ms 8584 KB Output is correct
61 Correct 201 ms 8584 KB Output is correct
62 Correct 195 ms 8584 KB Output is correct
63 Correct 236 ms 8584 KB Output is correct
64 Correct 188 ms 8584 KB Output is correct
65 Correct 186 ms 8584 KB Output is correct
66 Correct 205 ms 8672 KB Output is correct
67 Correct 187 ms 8672 KB Output is correct
68 Correct 186 ms 8672 KB Output is correct