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 |
---|---|---|---|---|---|---|---|---|---|
#215150 | #2656. add | KXG | 100 | 655ms | 32304kb | C++11 | 2.3kb | 2024-11-26 20:24:12 | 2024-11-26 23:04:17 |
answer
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cstdlib>
using namespace std;
const int mod_cnt = 2;
const long long mods[] = {114196903, 947779559};
struct Hash {
int n;
char s[1000010];
long long pow10[1000010][mod_cnt];
long long Hash[1000010][mod_cnt];
void init() {
for (int j = 0; j < mod_cnt; j++) {
pow10[0][j] = 1;
}
for (int i = 1; i <= n; i++) {
for (int j = 0; j < mod_cnt; j++) {
pow10[i][j] = pow10[i - 1][j] * 10 % mods[j];
Hash[i][j] = (Hash[i - 1][j] * 10 + s[i] - '0') % mods[j];
}
}
}
long long getHash(int l, int r, int id) {
return (Hash[r][id] - Hash[l - 1][id] * pow10[r - l + 1][id] % mods[id] + mods[id]) % mods[id];
}
bool check(int x, int y, int z) {
if (x <= 0 || y <= 0 || z <= 0) {
return false;
}
if (x + y + z != n) {
return false;
}
if ((s[1] == '0' && x != 1) || (s[x + 1] == '0' && y != 1) || (s[x + y + 1] == '0' && z != 1)) {
return false;
}
if (z > max(x, y) + 1 || z < max(x, y)) {
return false;
}
for (int i = 0; i < mod_cnt; i++) {
if ((getHash(1, x, i) + getHash(x + 1, x + y, i)) % mods[i] != getHash(x + y + 1, x + y + z, i)) {
return false;
}
}
return true;
}
void print(int x, int y, int z) {
for (int i = 1; i <= n; i++) {
putchar(s[i]);
if (i == x) {
putchar('+');
}
if (i == x + y) {
putchar('=');
}
}
exit(0);
}
} Hsh;
int main() {
scanf("%s", Hsh.s + 1);
Hsh.n = strlen(Hsh.s + 1);
Hsh.init();
for (int i = 1; i <= Hsh.n; i++) {
if (Hsh.check(i, Hsh.n - 2 * i, i)) {
Hsh.print(i, Hsh.n - 2 * i, i);
}
if (Hsh.check(i - 1, Hsh.n - 2 * i + 1, i)) {
Hsh.print(i - 1, Hsh.n - 2 * i + 1, i);
}
if (Hsh.check(Hsh.n - 2 * i, i, i)) {
Hsh.print(Hsh.n - 2 * i, i, i);
}
if (Hsh.check(Hsh.n - 2 * i + 1, i - 1, i)) {
Hsh.print(Hsh.n - 2 * i + 1, i - 1, i);
}
}
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 5
Accepted
time: 0ms
memory: 500kb
input:
93944386991110939443869921
output:
939443869911+10=939443869921
result:
ok single line: '939443869911+10=939443869921'
Test #2:
score: 5
Accepted
time: 0ms
memory: 504kb
input:
454431423351945476661
output:
45443142+33519=45476661
result:
ok single line: '45443142+33519=45476661'
Test #3:
score: 5
Accepted
time: 0ms
memory: 504kb
input:
807674775734008076747757340
output:
8076747757340+0=8076747757340
result:
ok single line: '8076747757340+0=8076747757340'
Test #4:
score: 5
Accepted
time: 0ms
memory: 504kb
input:
47936157175791479437362
output:
479361571+75791=479437362
result:
ok single line: '479361571+75791=479437362'
Test #5:
score: 5
Accepted
time: 0ms
memory: 504kb
input:
8684160719450790868416071945079
output:
868416071945079+0=868416071945079
result:
ok single line: '868416071945079+0=868416071945079'
Test #6:
score: 5
Accepted
time: 0ms
memory: 508kb
input:
3150325920082064131504079841
output:
31503259200+820641=31504079841
result:
ok single line: '31503259200+820641=31504079841'
Test #7:
score: 5
Accepted
time: 48ms
memory: 26804kb
input:
9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...
output:
9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...
result:
ok single line: '926159886916033505797031022928...3054231497478113058482456217163'
Test #8:
score: 5
Accepted
time: 51ms
memory: 27496kb
input:
4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...
output:
4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...
result:
ok single line: '470160964646496647178611251212...8748395060129898210762369495747'
Test #9:
score: 5
Accepted
time: 46ms
memory: 32180kb
input:
9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...
output:
9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...
result:
ok single line: '925720279956147308624472352754...2243909924739032590362234901192'
Test #10:
score: 5
Accepted
time: 54ms
memory: 29656kb
input:
4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...
output:
4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...
result:
ok single line: '441672832693662285615069921313...3111611421682233543698480114264'
Test #11:
score: 5
Accepted
time: 49ms
memory: 31604kb
input:
3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...
output:
3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...
result:
ok single line: '306104136213322800934458316019...4042293112332153562949434601781'
Test #12:
score: 5
Accepted
time: 55ms
memory: 31660kb
input:
8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...
output:
8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...
result:
ok single line: '853160364290638574758339997828...5180929300855954383525415798317'
Test #13:
score: 5
Accepted
time: 49ms
memory: 31908kb
input:
3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...
output:
3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...
result:
ok single line: '333473107381594648735641872183...2104466046161989376727619609117'
Test #14:
score: 5
Accepted
time: 54ms
memory: 30724kb
input:
7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...
output:
7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...
result:
ok single line: '711318113734225340954319367940...7499580501189814539270742795615'
Test #15:
score: 5
Accepted
time: 59ms
memory: 31560kb
input:
2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...
output:
2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...
result:
ok single line: '222657641551852362343226236570...1283546754745341452795514550351'
Test #16:
score: 5
Accepted
time: 72ms
memory: 31220kb
input:
7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...
output:
7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...
result:
ok single line: '728238056801721084106514984322...6665028468440209585025731431738'
Test #17:
score: 5
Accepted
time: 53ms
memory: 32304kb
input:
6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...
output:
6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...
result:
ok single line: '617202302161581826127840613929...9022854228506784321805225740782'
Test #18:
score: 5
Accepted
time: 13ms
memory: 19744kb
input:
1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...
output:
1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...
result:
ok single line: '164172947122919295002066145515...1428289195899821981683641721297'
Test #19:
score: 5
Accepted
time: 28ms
memory: 13988kb
input:
6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...
output:
6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...
result:
ok single line: '687819728891647155122287784945...4028111836067678989020741708082'
Test #20:
score: 5
Accepted
time: 24ms
memory: 16508kb
input:
1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...
output:
1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...
result:
ok single line: '133633513546581518637304157017...5916651705852916207264857823016'