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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#346473 | #8340. 3 Sum | ucup-team055# | AC ✓ | 260ms | 3892kb | C++23 | 1.7kb | 2024-03-08 16:02:59 | 2024-10-13 18:47:37 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = LLONG_MAX / 4;
#define rep(i, a, b) for(ll i = a; i < b; i++)
#define all(a) begin(a), end(a)
ll sz(auto& a) { return size(a); }
template<class T> bool chmin(T& a, T b) { if(a <= b) return 0; a = b; return 1; }
template<class T> bool chmax(T& a, T b) { if(a >= b) return 0; a = b; return 1; }
using u128 = __uint128_t;
random_device rnd;
const u128 m = (u128)INF << 64 | (u128)rnd() << 32 | rnd();
struct mm {
u128 x;
mm(u128 x = 0): x(x) {}
mm &operator+=(mm b){if((x+=b.x) >= m) x-=m; return *this;}
friend mm operator+(mm a, mm b){ return a+=b;}
mm d() const { return *this + *this; }
friend bool operator==(mm a, mm b) { return a.x == b.x; }
};
int main() {
cin.tie(0)->sync_with_stdio(0);
ll N, K;
cin >> N >> K;
mm M = 0;
rep(_, 0, K) {
M += M;
M += M.d().d();
M += 9;
}
auto get = [&] {
string S;
cin >> S;
ranges::reverse(S);
vector<ll> A(K);
rep(i, 0, sz(S)) {
ll j = i % K;
A[j] += S[i] - '0';
while(A[j] >= 10) {
A[j] -= 10;
j++;
if(j == K) j = 0;
A[j]++;
}
}
mm x = 0;
for(ll d : A | views::reverse) {
x += x;
x += x.d().d();
x += d;
}
return x;
};
vector<mm> A(N);
for(mm& a : A) a = get();
ll ans = 0;
rep(i, 0, N) rep(j, i, N) rep(k, j, N) {
const mm s = A[i] + A[j] + A[k];
ans += s == 0 || s == M || s == M + M || s == M + M + M;
}
cout << ans << endl;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3552kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 94ms
memory: 3660kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 260ms
memory: 3840kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 159ms
memory: 3724kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2327631
result:
ok 1 number(s): "2327631"
Test #5:
score: 0
Accepted
time: 154ms
memory: 3760kb
input:
500 2 408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...
output:
212002
result:
ok 1 number(s): "212002"
Test #6:
score: 0
Accepted
time: 229ms
memory: 3760kb
input:
500 11500 75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...
output:
7675
result:
ok 1 number(s): "7675"
Test #7:
score: 0
Accepted
time: 225ms
memory: 3716kb
input:
500 11500 85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...
output:
1070
result:
ok 1 number(s): "1070"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3892kb
input:
1 11500 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
output:
1
result:
ok 1 number(s): "1"
Extra Test:
score: 0
Extra Test Passed