Submission #2172700
Source Code Expand
import std.stdio;
import std.string;
import std.format;
import std.conv;
import std.typecons;
import std.algorithm;
import std.functional;
import std.bigint;
import std.numeric;
import std.array;
import std.math;
import std.range;
import std.container;
import std.concurrency;
import std.traits;
import std.uni;
import core.bitop : popcnt;
alias Generator = std.concurrency.Generator;
const long INF = long.max/3;
const long MOD = 10L^^9+7;
void main() {
int N, K;
scanln(N, K);
int[] ts = N.rep!(() => readln.chomp.to!int);
foreach(i; 0..N-3) {
if (ts[i..i+3].sum < K) {
writeln(i + 3);
return;
}
}
writeln(-1);
}
// ----------------------------------------------
void scanln(Args...)(auto ref Args args) {
import std.meta;
template getFormat(T) {
static if (isIntegral!T) {
enum getFormat = "%d";
} else static if (isFloatingPoint!T) {
enum getFormat = "%g";
} else static if (isSomeString!T || isSomeChar!T) {
enum getFormat = "%s";
} else {
static assert(false);
}
}
enum string str = [staticMap!(getFormat, Args)].join(" ") ~ "\n";
// readf!str(args);
mixin("str.readf(" ~ Args.length.iota.map!(i => "&args[%d]".format(i)).join(", ") ~ ");");
}
void times(alias fun)(int n) {
// n.iota.each!(i => fun());
foreach(i; 0..n) fun();
}
auto rep(alias fun, T = typeof(fun()))(int n) {
// return n.iota.map!(i => fun()).array;
T[] res = new T[n];
foreach(ref e; res) e = fun();
return res;
}
T ceil(T)(T x, T y) if (__traits(isIntegral, T)) {
// `(x+y-1)/y` will only work for positive numbers ...
T t = x / y;
if (t * y < x) t++;
return t;
}
T floor(T)(T x, T y) if (__traits(isIntegral, T)) {
T t = x / y;
if (t * y > x) t--;
return t;
}
// fold was added in D 2.071.0
static if (__VERSION__ < 2071) {
template fold(fun...) if (fun.length >= 1) {
auto fold(R, S...)(R r, S seed) {
static if (S.length < 2) {
return reduce!fun(seed, r);
} else {
return reduce!fun(tuple(seed), r);
}
}
}
}
// cumulativeFold was added in D 2.072.0
static if (__VERSION__ < 2072) {
template cumulativeFold(fun...)
if (fun.length >= 1)
{
import std.meta : staticMap;
private alias binfuns = staticMap!(binaryFun, fun);
auto cumulativeFold(R)(R range)
if (isInputRange!(Unqual!R))
{
return cumulativeFoldImpl(range);
}
auto cumulativeFold(R, S)(R range, S seed)
if (isInputRange!(Unqual!R))
{
static if (fun.length == 1)
return cumulativeFoldImpl(range, seed);
else
return cumulativeFoldImpl(range, seed.expand);
}
private auto cumulativeFoldImpl(R, Args...)(R range, ref Args args)
{
import std.algorithm.internal : algoFormat;
static assert(Args.length == 0 || Args.length == fun.length,
algoFormat("Seed %s does not have the correct amount of fields (should be %s)",
Args.stringof, fun.length));
static if (args.length)
alias State = staticMap!(Unqual, Args);
else
alias State = staticMap!(ReduceSeedType!(ElementType!R), binfuns);
foreach (i, f; binfuns)
{
static assert(!__traits(compiles, f(args[i], e)) || __traits(compiles,
{ args[i] = f(args[i], e); }()),
algoFormat("Incompatible function/seed/element: %s/%s/%s",
fullyQualifiedName!f, Args[i].stringof, E.stringof));
}
static struct Result
{
private:
R source;
State state;
this(R range, ref Args args)
{
source = range;
if (source.empty)
return;
foreach (i, f; binfuns)
{
static if (args.length)
state[i] = f(args[i], source.front);
else
state[i] = source.front;
}
}
public:
@property bool empty()
{
return source.empty;
}
@property auto front()
{
assert(!empty, "Attempting to fetch the front of an empty cumulativeFold.");
static if (fun.length > 1)
{
import std.typecons : tuple;
return tuple(state);
}
else
{
return state[0];
}
}
void popFront()
{
assert(!empty, "Attempting to popFront an empty cumulativeFold.");
source.popFront;
if (source.empty)
return;
foreach (i, f; binfuns)
state[i] = f(state[i], source.front);
}
static if (isForwardRange!R)
{
@property auto save()
{
auto result = this;
result.source = source.save;
return result;
}
}
static if (hasLength!R)
{
@property size_t length()
{
return source.length;
}
}
}
return Result(range, args);
}
}
}
// minElement/maxElement was added in D 2.072.0
static if (__VERSION__ < 2072) {
auto minElement(alias map, Range)(Range r)
if (isInputRange!Range && !isInfinite!Range)
{
alias mapFun = unaryFun!map;
auto element = r.front;
auto minimum = mapFun(element);
r.popFront;
foreach(a; r) {
auto b = mapFun(a);
if (b < minimum) {
element = a;
minimum = b;
}
}
return element;
}
auto maxElement(alias map, Range)(Range r)
if (isInputRange!Range && !isInfinite!Range)
{
alias mapFun = unaryFun!map;
auto element = r.front;
auto maximum = mapFun(element);
r.popFront;
foreach(a; r) {
auto b = mapFun(a);
if (b > maximum) {
element = a;
maximum = b;
}
}
return element;
}
}
Submission Info
Submission Time |
|
Task |
A - ぐっすり |
User |
arkark |
Language |
D (DMD64 v2.070.1) |
Score |
100 |
Code Size |
7169 Byte |
Status |
AC |
Exec Time |
22 ms |
Memory |
3580 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample_01.txt, sample_02.txt, sample_03.txt |
All |
sample_01.txt, sample_02.txt, sample_03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt |
Case Name |
Status |
Exec Time |
Memory |
sample_01.txt |
AC |
1 ms |
256 KB |
sample_02.txt |
AC |
1 ms |
256 KB |
sample_03.txt |
AC |
1 ms |
256 KB |
subtask1_01.txt |
AC |
18 ms |
1660 KB |
subtask1_02.txt |
AC |
6 ms |
764 KB |
subtask1_03.txt |
AC |
5 ms |
636 KB |
subtask1_04.txt |
AC |
4 ms |
508 KB |
subtask1_05.txt |
AC |
15 ms |
1532 KB |
subtask1_06.txt |
AC |
11 ms |
1148 KB |
subtask1_07.txt |
AC |
16 ms |
1532 KB |
subtask1_08.txt |
AC |
6 ms |
764 KB |
subtask1_09.txt |
AC |
19 ms |
1660 KB |
subtask1_10.txt |
AC |
17 ms |
3580 KB |
subtask1_11.txt |
AC |
3 ms |
380 KB |
subtask1_12.txt |
AC |
15 ms |
1532 KB |
subtask1_13.txt |
AC |
20 ms |
1660 KB |
subtask1_14.txt |
AC |
11 ms |
1276 KB |
subtask1_15.txt |
AC |
22 ms |
3324 KB |
subtask1_16.txt |
AC |
22 ms |
3452 KB |
subtask1_17.txt |
AC |
22 ms |
1660 KB |
subtask1_18.txt |
AC |
22 ms |
3452 KB |
subtask1_19.txt |
AC |
21 ms |
1660 KB |
subtask1_20.txt |
AC |
22 ms |
1660 KB |
subtask1_21.txt |
AC |
22 ms |
3452 KB |
subtask1_22.txt |
AC |
22 ms |
1660 KB |
subtask1_23.txt |
AC |
22 ms |
3580 KB |
subtask1_24.txt |
AC |
22 ms |
3452 KB |
subtask1_25.txt |
AC |
21 ms |
1660 KB |
subtask1_26.txt |
AC |
22 ms |
3324 KB |
subtask1_27.txt |
AC |
22 ms |
1660 KB |
subtask1_28.txt |
AC |
21 ms |
1660 KB |
subtask1_29.txt |
AC |
22 ms |
1660 KB |
subtask1_30.txt |
AC |
22 ms |
1660 KB |
subtask1_31.txt |
AC |
21 ms |
1660 KB |