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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#495035#9158. 分数ningago100 ✓4317ms6000kbC++143.8kb2024-07-27 18:13:232024-07-27 18:13:23

Judging History

你现在查看的是最新测评结果

  • [2024-07-27 18:13:23]
  • 评测
  • 测评结果:100
  • 用时:4317ms
  • 内存:6000kb
  • [2024-07-27 18:13:23]
  • 提交

answer

#include <cstdio>
#include <cstring>
#include <numeric>
#include <algorithm>
#include <cctype>
#include <queue>
#include <vector>
#include <set>
#include <map>
#include <cmath>

namespace uvu
{
#define LOCAL ________________DONT_DEFINE_ME_______________
#define ll long long
#define inf 0x3f3f3f3f
// #define int long long
// #define inf 0x3f3f3f3f3f3f3f3fll
#define infll 0x3f3f3f3f3f3f3f3fll
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define gline debug("now is #%d\n", __LINE__)
#define pii std::pair <int, int>
#define mkp std::make_pair
#define fi first
#define se second
char _ST_;
const int BUFSIZE = (1 << 20);
char ibuf[BUFSIZE], *iS = ibuf, *iT = ibuf;
char obuf[BUFSIZE], *oS = obuf, *oT = obuf + BUFSIZE;
char getc()
{
#ifdef LOCAL
	return getchar();
#else
	if(iS == iT) iT = (iS = ibuf) + fread(ibuf, 1, BUFSIZE, stdin);
	return (iS == iT) ? EOF : *iS++;
#endif
#define getchar ERR
}
void Flush() { fwrite(obuf, 1, oS - obuf, stdout); oS = obuf; }
struct Flusher { ~Flusher() { Flush(); } }iamflusher;
void putc(char c)
{
#ifdef LOCAL
	putchar(c);
#else
	*oS++ = c;
	if(oS == oT) Flush();
#endif
}
template <typename T = int> T read()
{
	T x = 0, f = 1; char c = getc();
	for(; !isdigit(c); c = getc()) if(c == '-') f = -1;
	for(;  isdigit(c); c = getc()) x = (x << 3) + (x << 1) + (c ^ 48);
	return x * f;
}
template <typename T> void print(T x, char c)
{
static int sta[BUFSIZE], top;
	top = 0;
	if(x < 0) putc('-'), x *= -1;
	if(!x) sta[++top] = 0;
	for(; x; x /= 10) sta[++top] = x % 10;
	for(; top; putc(sta[top--] ^ 48));
	if(c) putc(c);
}
int readstr(char *s, int base)
{
	int idx = base - 1; char c = getc();
	for(; !(isdigit(c) || isalpha(c) || c == '#' || c == '.'); c = getc());
	for(;   isdigit(c) || isalpha(c) || c == '#' || c == '.' ; c = getc()) s[++idx] = c;
	return idx - base + 1;
}
void printf(const char *s) { for(; *s; s++) putc(*s); }
template <typename T, typename ... Args >
void printf(const char *s, T x, Args ... flgt)
{
	for(; *s; s++)
	{
		if(*s != '%') { putc(*s); continue; }
		s++; if(*s == 'd') print(x, 0);
		else if(*s == 'c') putc(x);
		printf(s + 1, flgt ...);
		return;
	}
}
template <typename T> void ckmin(T &x, T y) { x = x < y ? x : y; }
template <typename T> void ckmax(T &x, T y) { x = x > y ? x : y; }
#define mod 998244353
// #define mod 1000000007
int sm(int x) { return x >= mod ? x - mod : x; }
void plus_(int &x, int y) { x = sm(x + y); }
void mul_(int &x, int y) { x = 1ll * x * y % mod; }
int ksm(int a, int b) { int flg = 1; for(; b; b >>= 1, mul_(a, a)) if(b & 1) mul_(flg, a); return flg; }

int n, m; ll ans = 0;

bool calc(int a, int b, int c, int d, int l)
{
	int amn = a * l + b, bmn = c * l + d; 
	if(amn > m) return 0;
	if(bmn > m) return 0;
	if(amn > n && bmn > n) return 0;
	int flg = 1, res = 0; //printf("[%d %d %d %d %d]\n", a, b, c, d, l);
	if(!a && !c)
	{
		flg &= (res = calc(c, d, a + 2 * d, b, l));
		for(int i = 1; flg; i++) flg &= calc(c, d, a, b + 2 * d * i, std::max(l, i + 1));
	}
	else
	{
		res = 1;
		if(amn <= n) ans += std::min(a ? (n - amn) / a + 1 : inf, (m - bmn) / c + 1);
		if(bmn <= n) ans += std::min((n - bmn) / c + 1, a ? (m - amn) / a + 1 : inf);
		for(int i = 1; flg; i++) flg &= calc(c, d, a + 2 * c * i, b + 2 * d * i, std::max(l, i));
	}
	return res;
}

void solve()
{
	// memset(h, idx = -1, sizeof(h)); 
	n = read(), m = read(); if(n > m) n ^= m ^= n ^= m; 
	calc(0, 0, 0, 1, 1); print(ans, '\n');
}

void init()
{

}
char _ED_;
void mian()
{
	debug("%.3f MB\n", abs(&_ST_ - &_ED_) / 1024.0 / 1024);
	init();
	int T = 1;
	for(; T; solve(), T--);
}
#ifdef int
	#undef int
#endif
}

int main()
{
	// freopen("tmp.in", "r", stdin);
	// freopen("tmp.out", "w", stdout);
	uvu::mian(); return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Pretests

Pretest #1:

score: 5
Accepted
time: 1ms
memory: 5828kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Pretest #2:

score: 5
Accepted
time: 1ms
memory: 5936kb

input:

98 97

output:

405

result:

ok 1 number(s): "405"

Pretest #3:

score: 5
Accepted
time: 1ms
memory: 5932kb

input:

99 96

output:

396

result:

ok 1 number(s): "396"

Pretest #4:

score: 5
Accepted
time: 1ms
memory: 5856kb

input:

995 977

output:

11153

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5
Accepted
time: 1ms
memory: 5936kb

input:

991 990

output:

11220

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5
Accepted
time: 1ms
memory: 5932kb

input:

976 968

output:

10900

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5
Accepted
time: 1ms
memory: 5972kb

input:

7602 7864

output:

215706

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5
Accepted
time: 1ms
memory: 5864kb

input:

7959 7735

output:

220256

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5
Accepted
time: 1ms
memory: 5912kb

input:

7878 7863

output:

221162

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5
Accepted
time: 1ms
memory: 5932kb

input:

7788 7658

output:

215323

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5
Accepted
time: 3ms
memory: 5996kb

input:

95399 99767

output:

8285295

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5
Accepted
time: 3ms
memory: 5912kb

input:

98051 99642

output:

8439713

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5
Accepted
time: 3ms
memory: 5912kb

input:

95624 96007

output:

8068127

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5
Accepted
time: 0ms
memory: 5876kb

input:

99208 98047

output:

8412610

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5
Accepted
time: 49ms
memory: 5872kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5
Accepted
time: 48ms
memory: 5912kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5
Accepted
time: 47ms
memory: 5932kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

Pretest #18:

score: 5
Accepted
time: 750ms
memory: 5936kb

input:

7892259 7983727

output:

4647501224

result:

ok 1 number(s): "4647501224"

Pretest #19:

score: 5
Accepted
time: 3260ms
memory: 5860kb

input:

7937869 29796968

output:

15197555613

result:

ok 1 number(s): "15197555613"

Pretest #20:

score: 5
Accepted
time: 4317ms
memory: 5860kb

input:

29717543 29510173

output:

30904211576

result:

ok 1 number(s): "30904211576"


Final Tests

Test #1:

score: 5
Accepted
time: 1ms
memory: 5916kb

input:

96 98

output:

396

result:

ok 1 number(s): "396"

Test #2:

score: 5
Accepted
time: 1ms
memory: 5852kb

input:

100 99

output:

408

result:

ok 1 number(s): "408"

Test #3:

score: 5
Accepted
time: 0ms
memory: 5796kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Test #4:

score: 5
Accepted
time: 1ms
memory: 5972kb

input:

963 951

output:

10634

result:

ok 1 number(s): "10634"

Test #5:

score: 5
Accepted
time: 1ms
memory: 5912kb

input:

958 974

output:

10795

result:

ok 1 number(s): "10795"

Test #6:

score: 5
Accepted
time: 1ms
memory: 5936kb

input:

966 990

output:

11003

result:

ok 1 number(s): "11003"

Test #7:

score: 5
Accepted
time: 1ms
memory: 5972kb

input:

7958 7947

output:

224482

result:

ok 1 number(s): "224482"

Test #8:

score: 5
Accepted
time: 1ms
memory: 5936kb

input:

7623 7730

output:

213444

result:

ok 1 number(s): "213444"

Test #9:

score: 5
Accepted
time: 1ms
memory: 5972kb

input:

7845 7783

output:

218916

result:

ok 1 number(s): "218916"

Test #10:

score: 5
Accepted
time: 1ms
memory: 5996kb

input:

7881 7773

output:

219451

result:

ok 1 number(s): "219451"

Test #11:

score: 5
Accepted
time: 3ms
memory: 5852kb

input:

99414 98698

output:

8465217

result:

ok 1 number(s): "8465217"

Test #12:

score: 5
Accepted
time: 0ms
memory: 5860kb

input:

98249 96148

output:

8237486

result:

ok 1 number(s): "8237486"

Test #13:

score: 5
Accepted
time: 3ms
memory: 5936kb

input:

99003 96832

output:

8324931

result:

ok 1 number(s): "8324931"

Test #14:

score: 5
Accepted
time: 3ms
memory: 5996kb

input:

98266 96030

output:

8231065

result:

ok 1 number(s): "8231065"

Test #15:

score: 5
Accepted
time: 46ms
memory: 6000kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5
Accepted
time: 49ms
memory: 5976kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5
Accepted
time: 47ms
memory: 5916kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

Test #18:

score: 5
Accepted
time: 742ms
memory: 5860kb

input:

7855098 7962479

output:

4622947400

result:

ok 1 number(s): "4622947400"

Test #19:

score: 5
Accepted
time: 3230ms
memory: 5932kb

input:

7841076 29648718

output:

15040798710

result:

ok 1 number(s): "15040798710"

Test #20:

score: 5
Accepted
time: 4266ms
memory: 5940kb

input:

29365129 29012208

output:

30267839959

result:

ok 1 number(s): "30267839959"

Extra Test:

score: 0
Extra Test Passed