oj.uz

Submission #83445

# Submission time Handle Problem Language Result Execution time Memory
83445 2018-11-07T16:53:26 Z tincamatei Worst Reporter 3 (JOI18_worst_reporter3) C++14
100 / 100
 1392 ms 88868 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 500000;
long long d[1+MAX_N];
long long per[1+MAX_N], jump[1+MAX_N];

long long poz(int i, int t) {
	return -i + t / per[i] * jump[i];
}

int binsrc(int n, int t, int val) {
	int st = -1, dr = n + 1;
	while(dr - st > 1) {
		int mid = (st + dr) / 2;
		if(poz(mid, t) <= val)
			dr = mid;
		else
			st = mid;
	}
	return dr;
}

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, q, t, l, r;
	fscanf(fin, "%d%d", &n, &q);
	per[0] = jump[0] = 1;
	for(int i = 1; i <= n; ++i) {
		fscanf(fin, "%d", &d[i]);
		per[i] = (d[i] + jump[i - 1] - 1) / jump[i - 1];
		jump[i] = jump[i - 1] * per[i];
		per[i] = per[i - 1] * per[i];
	}

	for(int i = 0; i < q; ++i) {
		fscanf(fin, "%d%d%d", &t, &l, &r);
		int a = binsrc(n, t, r), b = binsrc(n, t, l - 1);
		fprintf(fout, "%d\n", b - a);
	}

#ifdef HOME
	fclose(fin);
	fclose(fout);
#endif
	return 0;
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:38:26: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
   fscanf(fin, "%d", &d[i]);
                     ~~~~~^
worst_reporter3.cpp:35:8: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(fin, "%d%d", &n, &q);
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~
worst_reporter3.cpp:38:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(fin, "%d", &d[i]);
   ~~~~~~^~~~~~~~~~~~~~~~~~
worst_reporter3.cpp:45:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(fin, "%d%d%d", &t, &l, &r);
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1254 ms 16380 KB Output is correct
2 Correct 1265 ms 16568 KB Output is correct
3 Correct 1291 ms 16568 KB Output is correct
4 Correct 1266 ms 16568 KB Output is correct
5 Correct 1277 ms 16568 KB Output is correct
6 Correct 1307 ms 17792 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17792 KB Output is correct
2 Correct 3 ms 17792 KB Output is correct
3 Correct 3 ms 17792 KB Output is correct
4 Correct 3 ms 17792 KB Output is correct
5 Correct 3 ms 17792 KB Output is correct
6 Correct 3 ms 17792 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 1254 ms 16380 KB Output is correct
2 Correct 1265 ms 16568 KB Output is correct
3 Correct 1291 ms 16568 KB Output is correct
4 Correct 1266 ms 16568 KB Output is correct
5 Correct 1277 ms 16568 KB Output is correct
6 Correct 1307 ms 17792 KB Output is correct
7 Correct 3 ms 17792 KB Output is correct
8 Correct 3 ms 17792 KB Output is correct
9 Correct 3 ms 17792 KB Output is correct
10 Correct 3 ms 17792 KB Output is correct
11 Correct 3 ms 17792 KB Output is correct
12 Correct 3 ms 17792 KB Output is correct
13 Correct 882 ms 17792 KB Output is correct
14 Correct 828 ms 17792 KB Output is correct
15 Correct 809 ms 17792 KB Output is correct
16 Correct 850 ms 17792 KB Output is correct
17 Correct 1002 ms 17792 KB Output is correct
18 Correct 1034 ms 20528 KB Output is correct
19 Correct 1008 ms 20528 KB Output is correct
20 Correct 1010 ms 26776 KB Output is correct
21 Correct 1029 ms 45472 KB Output is correct
22 Correct 1010 ms 63888 KB Output is correct
23 Correct 1044 ms 64092 KB Output is correct
24 Correct 1016 ms 64092 KB Output is correct
25 Correct 1392 ms 64600 KB Output is correct
26 Correct 1282 ms 64600 KB Output is correct
27 Correct 1083 ms 64604 KB Output is correct
28 Correct 1114 ms 64604 KB Output is correct
29 Correct 1063 ms 75364 KB Output is correct
30 Correct 1155 ms 75408 KB Output is correct
31 Correct 1179 ms 83496 KB Output is correct
32 Correct 1119 ms 88868 KB Output is correct
33 Correct 3 ms 88868 KB Output is correct