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NOI.AC

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#215152#2656. addnodgd901027ms25304kbC++111.4kb2024-11-26 20:31:332024-11-26 23:04:31

answer

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 1000000 + 5;

int N;
char s[MAX_N];
template<int P> struct Hash {
    int ha[MAX_N], pw[MAX_N];
    void init() {
        pw[0] = P - 1;
        for (int i = 1; i <= N; i ++) {
            pw[i] = pw[i - 1] * 10ll % P;
            ha[i] = (ha[i - 1] * 10ll + (s[i] - '0')) % P;
        }
    }
    int get(int l, int r) {
        return (ha[r] + 1ll * pw[r - l + 1] * ha[l - 1]) % P;
    }
    bool check(int x, int y) {
        int a = get(1, x);
        int b = get(x + 1, y);
        int c = get(y + 1, N);
        return (a + b) % P == c;
    }
};
Hash<999999337> h1;
Hash<999999001> h2;
Hash<999999667> h3;

void check(int x, int y) {
    if (1 > x) return;
    if (x + 1 > y) return;
    if (y + 1 > N) return;
    if (s[x + 1] == '0') return;
    if (s[y + 1] == '0') return;
    if (!h1.check(x, y)) return;
    if (!h2.check(x, y)) return;
    if (!h3.check(x, y)) return;
    for (int i = 1; i <= N; i ++) {
        printf("%c", s[i]);
        if (i == x) printf("+");
        if (i == y) printf("=");
        if (i == N) printf("\n");
    }
    exit(0);
}
int main() {
    scanf("%s", s + 1);
    N = strlen(s + 1);
    h1.init();
    h2.init();
    h3.init();
    for (int x = 1; x <= N; x ++) {
        check(x, N - x);
        check(x, N - x - 1);
        check(N - x * 2, N - x);
        check(N - x * 2 - 1, N - x - 1);
    }
    return 0;
}

Details

小提示:点击横条可展开更详细的信息

Test #1:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

93944386991110939443869921

output:

939443869911+10=939443869921

result:

ok single line: '939443869911+10=939443869921'

Test #2:

score: 5
Accepted
time: 0ms
memory: 1196kb

input:

454431423351945476661

output:

45443142+33519=45476661

result:

ok single line: '45443142+33519=45476661'

Test #3:

score: 0
Wrong Answer
time: 0ms
memory: 1176kb

input:

807674775734008076747757340

output:


result:

wrong answer 1st lines differ - expected: '8076747757340+0=8076747757340', found: ''

Test #4:

score: 5
Accepted
time: 1ms
memory: 1200kb

input:

47936157175791479437362

output:

479361571+75791=479437362

result:

ok single line: '479361571+75791=479437362'

Test #5:

score: 0
Wrong Answer
time: 0ms
memory: 1176kb

input:

8684160719450790868416071945079

output:


result:

wrong answer 1st lines differ - expected: '868416071945079+0=868416071945079', found: ''

Test #6:

score: 5
Accepted
time: 0ms
memory: 1196kb

input:

3150325920082064131504079841

output:

31503259200+820641=31504079841

result:

ok single line: '31503259200+820641=31504079841'

Test #7:

score: 5
Accepted
time: 78ms
memory: 21136kb

input:

9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...

output:

9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...

result:

ok single line: '926159886916033505797031022928...3054231497478113058482456217163'

Test #8:

score: 5
Accepted
time: 77ms
memory: 21664kb

input:

4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...

output:

4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...

result:

ok single line: '470160964646496647178611251212...8748395060129898210762369495747'

Test #9:

score: 5
Accepted
time: 85ms
memory: 25208kb

input:

9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...

output:

9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...

result:

ok single line: '925720279956147308624472352754...2243909924739032590362234901192'

Test #10:

score: 5
Accepted
time: 83ms
memory: 23292kb

input:

4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...

output:

4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...

result:

ok single line: '441672832693662285615069921313...3111611421682233543698480114264'

Test #11:

score: 5
Accepted
time: 89ms
memory: 24776kb

input:

3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...

output:

3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...

result:

ok single line: '306104136213322800934458316019...4042293112332153562949434601781'

Test #12:

score: 5
Accepted
time: 84ms
memory: 24808kb

input:

8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...

output:

8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...

result:

ok single line: '853160364290638574758339997828...5180929300855954383525415798317'

Test #13:

score: 5
Accepted
time: 87ms
memory: 25000kb

input:

3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...

output:

3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...

result:

ok single line: '333473107381594648735641872183...2104466046161989376727619609117'

Test #14:

score: 5
Accepted
time: 77ms
memory: 24104kb

input:

7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...

output:

7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...

result:

ok single line: '711318113734225340954319367940...7499580501189814539270742795615'

Test #15:

score: 5
Accepted
time: 75ms
memory: 24736kb

input:

2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...

output:

2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...

result:

ok single line: '222657641551852362343226236570...1283546754745341452795514550351'

Test #16:

score: 5
Accepted
time: 85ms
memory: 24484kb

input:

7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...

output:

7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...

result:

ok single line: '728238056801721084106514984322...6665028468440209585025731431738'

Test #17:

score: 5
Accepted
time: 96ms
memory: 25304kb

input:

6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...

output:

6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...

result:

ok single line: '617202302161581826127840613929...9022854228506784321805225740782'

Test #18:

score: 5
Accepted
time: 39ms
memory: 15784kb

input:

1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...

output:

1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...

result:

ok single line: '164172947122919295002066145515...1428289195899821981683641721297'

Test #19:

score: 5
Accepted
time: 27ms
memory: 11424kb

input:

6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...

output:

6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...

result:

ok single line: '687819728891647155122287784945...4028111836067678989020741708082'

Test #20:

score: 5
Accepted
time: 44ms
memory: 13332kb

input:

1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...

output:

1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...

result:

ok single line: '133633513546581518637304157017...5916651705852916207264857823016'