Submission #103348

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
103348	2019-03-29T20:27:34 Z	tincamatei	Art Exhibition (JOI18_art)	C++14	100 / 100	402 ms	20984 KB

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 500000;

struct Paint {
	long long a, b;
}v[1+MAX_N];

bool cmp(Paint a, Paint b) {
	return a.a < b.a;
}

int main() {
#ifdef HOME
	FILE *fin = fopen("input.in", "r");
	FILE *fout = fopen("output.out", "w");
#else
	FILE *fin = stdin;
	FILE *fout = stdout;
#endif

	int n;
	long long best, rez, sp;

	fscanf(fin, "%d", &n);

	for(int i = 0; i < n; ++i)
		fscanf(fin, "%lld%lld", &v[i].a, &v[i].b);
	sort(v, v + n, cmp);
	
	sp = rez = 0LL;
	best = v[0].a;
	
	/*for(int i = 0; i < n; ++i) {
		sp = 0LL;
		for(int j = i; j < n; ++j) {
			sp += v[j].b;
			rez = max(rez, sp - v[j].a + v[i].a);
			//if(sp - v[j].a + v[i].a == rez)
				//printf("%d %d->%lld\n", i, j, sp - v[j].a + v[i].a);
		}
	}*/

	for(int i = 0; i < n; ++i) {
		sp = sp + v[i].b;
		best = max(best, -sp + v[i].b + v[i].a);
		rez = max(rez, sp - v[i].a + best);
	}

	fprintf(fout, "%lld", rez);

	fclose(fin);
	fclose(fout);
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:27:8: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(fin, "%d", &n);
  ~~~~~~^~~~~~~~~~~~~~~
art.cpp:30:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(fin, "%lld%lld", &v[i].a, &v[i].b);
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	256 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	256 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	4 ms	384 KB	Output is correct
29	Correct	4 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	6 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	4 ms	384 KB	Output is correct
38	Correct	5 ms	444 KB	Output is correct
39	Correct	4 ms	384 KB	Output is correct
40	Correct	4 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	4 ms	384 KB	Output is correct
43	Correct	4 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	4 ms	384 KB	Output is correct
46	Correct	5 ms	384 KB	Output is correct
47	Correct	6 ms	384 KB	Output is correct
48	Correct	6 ms	384 KB	Output is correct
49	Correct	5 ms	384 KB	Output is correct
50	Correct	4 ms	384 KB	Output is correct
51	Correct	6 ms	384 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	256 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	256 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	4 ms	384 KB	Output is correct
29	Correct	4 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	6 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	4 ms	384 KB	Output is correct
38	Correct	5 ms	444 KB	Output is correct
39	Correct	4 ms	384 KB	Output is correct
40	Correct	4 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	4 ms	384 KB	Output is correct
43	Correct	4 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	4 ms	384 KB	Output is correct
46	Correct	5 ms	384 KB	Output is correct
47	Correct	6 ms	384 KB	Output is correct
48	Correct	6 ms	384 KB	Output is correct
49	Correct	5 ms	384 KB	Output is correct
50	Correct	4 ms	384 KB	Output is correct
51	Correct	6 ms	384 KB	Output is correct
52	Correct	274 ms	8156 KB	Output is correct
53	Correct	262 ms	20896 KB	Output is correct
54	Correct	402 ms	20956 KB	Output is correct
55	Correct	265 ms	20944 KB	Output is correct
56	Correct	266 ms	20936 KB	Output is correct
57	Correct	258 ms	20812 KB	Output is correct
58	Correct	271 ms	20872 KB	Output is correct
59	Correct	233 ms	20968 KB	Output is correct
60	Correct	259 ms	20960 KB	Output is correct
61	Correct	279 ms	20728 KB	Output is correct
62	Correct	243 ms	20896 KB	Output is correct
63	Correct	317 ms	20860 KB	Output is correct
64	Correct	223 ms	20860 KB	Output is correct
65	Correct	293 ms	20872 KB	Output is correct
66	Correct	273 ms	20856 KB	Output is correct
67	Correct	232 ms	20984 KB	Output is correct
68	Correct	256 ms	20788 KB	Output is correct

Submission #103348

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0