結果
問題 | No.1043 直列大学 |
ユーザー | daut-dlang |
提出日時 | 2020-05-01 22:53:32 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,131 bytes |
コンパイル時間 | 888 ms |
コンパイル使用メモリ | 123,904 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 06:52:09 |
合計ジャッジ時間 | 2,232 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 3 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 26 ms
6,944 KB |
testcase_15 | AC | 28 ms
6,940 KB |
testcase_16 | AC | 25 ms
6,944 KB |
testcase_17 | AC | 19 ms
6,940 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 18 ms
6,940 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 11 ms
6,944 KB |
testcase_28 | WA | - |
testcase_29 | AC | 10 ms
6,940 KB |
testcase_30 | AC | 27 ms
6,944 KB |
ソースコード
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998_244_353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(T)(ref T x, T y) { x.modm(y.modpow(mod - 2)); } T binarySearch(alias pred, T)(T ok, T ng) { while (abs(ok-ng) > 1) { auto mid = (ok+ng)/2; if (unaryFun!pred(mid)) ok = mid; else ng = mid; } return ok; } void main() { auto N = RD; auto M = RD; auto V = RDA; auto R = RDA; auto A = RD; auto B = RD; auto dp1 = new long[](10^^5+1); dp1[0] = 1; foreach (i; 0..N) { foreach_reverse (j; 0..dp1.length) { if (dp1[j] == 0) continue; dp1[j+V[i]] += dp1[j]; } } /*auto arr1 = new long[](dp1.length+1); foreach (i; 0..dp1.length) { arr1[i+1] = arr1[i] + dp1[i]; }*/ auto dp2 = new long[](10^^5+1); dp2[0] = 1; foreach (i; 0..M) { foreach_reverse (j; 0..dp2.length) { if (dp2[j] == 0) continue; dp2[j+R[i]] += dp2[j]; } } dp2[0] = 0; auto arr2 = new long[](dp2.length+1); foreach (i; 0..dp2.length) { arr2[i+1] = arr2[i] + dp2[i]; } long ans; foreach (i; 1..dp1.length) { if (dp1[i] == 0) continue; bool f(long x) { return i > B * x; } bool g(long x) { return i >= A * x; } auto r = binarySearch!(f)(0, cast(long)dp2.length); auto l = binarySearch!(g)(0, cast(long)dp2.length); debug writeln("l:", l, " r:", r); auto tmp = dp1[i]; tmp.modm(arr2[l+1] - arr2[r+1]); ans.moda(tmp); debug writeln("ans:", ans); } writeln(ans); stdout.flush; debug readln; }