Submission #1115056


Source Code Expand

#include <stdio.h>
#include <inttypes.h>

int ok(uint64_t s_num, uint64_t c_num, uint64_t target_num) {
	uint64_t s_tarinai;
	uint64_t c_as_c, c_as_s;
	if (s_num < target_num) {
		s_tarinai = target_num - s_num;
	} else {
		s_tarinai = 0;
	}
	c_as_c = target_num * 2;
	c_as_s = s_tarinai * 2;
	return c_as_c + c_as_s <= c_num;
}

int main(void) {
	uint64_t N, M;
	uint64_t left, right, mid;
	uint64_t answer = 0;
	if (scanf("%"SCNu64"%"SCNu64, &N, &M) != 2) return 1;
	left = 0;
	right = N + M;
	while (left <= right) {
		mid = (left + right) / 2;
		if (ok(N, M, mid)) {
			if (mid > answer) answer = mid;
			left = mid + 1;
		} else {
			right = mid - 1;
		}
	}
	printf("%"PRIu64"\n", answer);
	return 0;
}

Submission Info

Submission Time
Task C - Scc Puzzle
User mikecat
Language C (GCC 5.4.1)
Score 300
Code Size 743 Byte
Status AC
Exec Time 2 ms
Memory 128 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 9
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
All 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 0 ms 128 KB
00_example_02.txt AC 0 ms 128 KB
01.txt AC 2 ms 128 KB
02.txt AC 1 ms 128 KB
03.txt AC 0 ms 128 KB
04.txt AC 0 ms 128 KB
05.txt AC 0 ms 128 KB
06.txt AC 0 ms 128 KB
07.txt AC 0 ms 128 KB