QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#735486 | #2855. Phone Numbers | _8_8_ | 28.571429 | 1078ms | 4268kb | C++23 | 3.0kb | 2024-11-11 20:19:01 | 2024-11-11 20:19:02 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e6 + 12, MOD = (int)1e9 + 7;
int n, r[N];
bool ok(vector<int> f, int l, int R) {
vector<int> t;
for(int i = l; i <= R; i++) {
t.push_back(r[i]);
}
if(f == t) return true;
sort(t.begin(), t.end());
sort(f.begin(), f.end());
if(t != f) return false;
if((int)f.size() == 2) {
return ((f[1] - f[0] == 1 && f[0] % 3 != 0) || f[1] - f[0] == 3);
}
if(f[1] - f[0] == 1 && f[3] - f[2] == 1 && f[2] - f[1] == 2) {
return true;
}
return false;
}
void make() {
if(n == 1) {
cout << 1 << '\n';
return;
}
if(n == 2) {
cout << 1 + (abs(r[1] - r[2]) == 1 || abs(r[1] - r[2]) == 3) << '\n';
return;
}
}
int dp[10][10][10][2][2][2][2], tdp[10][10][10][2][2][2][2];
void add(int &x, int y) {
x += y;
if(x >= MOD) x -= MOD;
}
void test() {
string s; cin >> s;
n = (int)s.size();
for(int i = 1; i <= n; i++) {
r[i] = (s[i - 1] - '0');
}
if(n <= 2) {
make();
return;
}
memset(dp, 0, sizeof(dp));
memset(tdp, 0, sizeof(tdp));
vector<array<int, 7>> tr;
for(int i = 1; i <= 9; i++) {
for(int j = 1; j <= 9; j++) {
for(int k = 1; k <= 9; k++) {
bool a = 1, b = (r[1] == i), c = ok({i, j}, 1, 2), d = (c && k == r[3]);
if(b && ok({j, k}, 2, 3)) {
d = 1;
}
add(tdp[i][j][k][a][b][c][d], 1);
tr.push_back({i, j, k, a, b, c, d});
}
}
}
sort(tr.begin(), tr.end());
tr.resize(unique(tr.begin(), tr.end()) - tr.begin());
int res = 0;
for(int i = 3; i < n; i++) {
vector<array<int, 7>> nv;
for(auto [x, y, z, a, b, c, d]:tr) {
for(int f = 1; f <= 9; f++) {
int _a = b, _b = c, _c = d, _d = 0;
if(d && f == r[i + 1]) _d = 1;
if(c && ok({z, f}, i, i + 1)) _d = 1;
if(a && ok({x, y, z, f}, i - 2, i + 1)) _d = 1;
if(!_a && !_b && !_c && !_d) continue;
add(dp[y][z][f][_a][_b][_c][_d], tdp[x][y][z][a][b][c][d]);
nv.push_back({y, z, f, _a, _b, _c, _d});
}
}
tr.swap(nv);
sort(tr.begin(), tr.end());
tr.resize(unique(tr.begin(), tr.end()) - tr.begin());
for(auto [x, y, z, a, b, c, d]:tr) {
tdp[x][y][z][a][b][c][d] = dp[x][y][z][a][b][c][d];
dp[x][y][z][a][b][c][d] = 0;
}
}
sort(tr.begin(), tr.end());
tr.resize(unique(tr.begin(), tr.end()) - tr.begin());
for(auto [x, y, z, a, b, c, d]:tr) {
if(d) {
add(res, tdp[x][y][z][a][b][c][d]);
}
}
cout << res << '\n';
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int t = 1;
cin >> t;
while(t--)
test();
}
详细
Pretests
Final Tests
Test #1:
score: 4.7619
Accepted
time: 11ms
memory: 3872kb
input:
5 1478 4455 5968 31313211 123659874
output:
5 2 24 3 255
result:
ok 5 lines
Test #2:
score: 0
Wrong Answer
time: 73ms
memory: 3792kb
input:
1 5689152484578625359683652141745263254158478962534251632585963749647856412524517957586984215581247851
output:
821754812
result:
wrong answer 1st lines differ - expected: '972152931', found: '821754812'
Test #3:
score: 4.7619
Accepted
time: 72ms
memory: 4268kb
input:
1 5632457812563254176895625326926357123526235625784965815246985475849652371536295688574785693152469589
output:
938269333
result:
ok single line: '938269333'
Test #4:
score: 4.7619
Accepted
time: 80ms
memory: 3916kb
input:
1 7366565897458963524563258478595681542364652847587698562145851352635236517845214581542458714721865325
output:
201642487
result:
ok single line: '201642487'
Test #5:
score: 0
Wrong Answer
time: 811ms
memory: 3988kb
input:
1 5236958653215326425168596251474687896352653296858596754887774854651422536485695232652638987418236585474563526598215453622921453524154962387213256984574875375484786959865457856598657412548755658745784985745912678124586915421544652352147584578452547851245895623547825412458547154258798754413256458742...
output:
693812338
result:
wrong answer 1st lines differ - expected: '916143108', found: '693812338'
Test #6:
score: 0
Wrong Answer
time: 803ms
memory: 3868kb
input:
1 3256528529895689542515668598475854213256125487325642513265213562568972536784548578426539586635236542164215322856326523641525847632598614564758742157484512857512412514574875632784531245856236254356245986895689478523459865323694756252164578824514424156386958742542165239889253625489563562967862358786...
output:
564085373
result:
wrong answer 1st lines differ - expected: '533086196', found: '564085373'
Test #7:
score: 4.7619
Accepted
time: 1078ms
memory: 4108kb
input:
1 2356235623562356235623562356235623562356235623562356235623562356235623562356233154215421542154215421542154215421542154215421542154215421542154215421542154215421542154215421542154652365236585748574857485748574857485748574857485748574857485748574857485748574857485748574857485748574857485748574857485...
output:
184251256
result:
ok single line: '184251256'
Test #8:
score: 0
Time Limit Exceeded
input:
1 2365662356796882362574578658545879652345148755968687415215478124512885742365865952365981298574521659562398562353263832478547865978453257652367485782653458974521456987987452632512456143254145875623425195865326584785986854768915249263542147856941612536441536289562316542151962536315242514362525835784...
output:
result:
Test #9:
score: 0
Time Limit Exceeded
input:
1 6985749568596547898968574578358368754578356295685241432651422541263589615249145865325835264512547658998475265379647858474589478475845632874592541298651524695845652547826534875478823657851785454785796586914632578124574652345874736184756356899856412569869568769585961524859584721222658747412356758432...
output:
result:
Test #10:
score: 0
Time Limit Exceeded
input:
1 8548754875487563526352635263526352635263526352635263526352635263526352635247888457845784578457845784578457845784578457845784578457845784856985698569856985698569856985692159865986598659865986598659865986598659865986598659821498569856985698569856985698569856985698569856985765896589658965896589658965...
output:
result:
Test #11:
score: 0
Time Limit Exceeded
input:
1 4521369857474581865963251879875478458563524598689658623541256245125236574236589652154216895235869235124754875986588251456983256374585578478685945876523625921587498654487581425964769625655893562472536279685412514896545215638352684572385963478574452634421537584658954567548326589615245865945596958616...
output:
result:
Test #12:
score: 4.7619
Accepted
time: 39ms
memory: 3876kb
input:
10 15823565 45362152 15758472 65245788 87584541 78454439 36527845 32598698 41252659 41684575
output:
52 60 42 72 86 26 576 106 54 48
result:
ok 10 lines
Test #13:
score: 0
Time Limit Exceeded
input:
1 5784575477823241589251425689523674152584128965912784574581254253653287541287785421523514255986745821171288659586935263475842154124152356285748541257841255487215459869265356954526958632145528751246895781659894598645125419874536274585236895214512471528596548765612454625326487549568553625145787488569...
output:
result:
Test #14:
score: 0
Time Limit Exceeded
input:
1 6652365236523652365236523626325632563256325632563256325632563256325636917499958695869586958695869586958695869586958695869586958695863256325632563256325632563256325632563256325632563256325632563256325632563256325632563256325632563255412541254125412541254125412541298569856985698569856985698569856985...
output:
result:
Test #15:
score: 4.7619
Accepted
time: 40ms
memory: 3880kb
input:
10 41452444 25364521 47856325 89421535 21547582 47986587 22563698 25966932 14527854 11487596
output:
27 576 633 48 92 100 78 16 576 52
result:
ok 10 lines
Test #16:
score: 0
Time Limit Exceeded
input:
1 2211333133211122313223132213112231211222221132113311111231323123132311222112322232221122123231313323111313123221322212322213331313212121313323211232332212322313333112312111223212113323311231123131213221313221221113233313233133123323312323221131213132132213133121123213311222211212311313122221211321...
output:
result:
Test #17:
score: 0
Time Limit Exceeded
input:
1 2321322112321131132132121322323222222122321332313131112312321332333321213233132112213231122123133212312123133332133331222333111323321223121231132313311333223133122333332123331332321232121233322323312233233121223311112221221111212231312131211332113222113223122333122113111331133231232223233213322331...
output:
result:
Test #18:
score: 0
Time Limit Exceeded
input:
1 9632498212241749941489839189269743221216342632367493649143671626418787483678926947278792496247214983923223896894694699987874416728994778938714239638983693297146337714232682323844896362197912892363869218689211289276783161646912361231238498781692119963281472967832378421323968417227422149398296932121...
output:
result:
Test #19:
score: 0
Time Limit Exceeded
input:
1 2121273223647696914414786691247434838489899122899463321247246416183936189698824712472132986368798712327868963749932926143278333986912696484723696871217847788932863347411969632984636669861489636696662113468969232899837614163621891439749744783329869129476787847268368764132374139664198796313288212432...
output:
result:
Test #20:
score: 0
Time Limit Exceeded
input:
1 5598585586569568598658986956996589695869958586959869895685965856958698598658568956869588965695868586958656989596865998656598658968598696858969856956558698655859688969995869958695689556658958965569586896985659685899988569865598659885659866958956899859895685689565885698965986986565988596698589965856...
output:
result:
Test #21:
score: 0
Time Limit Exceeded
input:
1 5698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856985698569856...