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 |
---|---|---|---|---|---|---|---|---|---|
#215122 | #2656. add | erican | 100 | 817ms | 17588kb | C++11 | 2.5kb | 2024-11-26 19:36:29 | 2024-11-26 23:02:18 |
answer
/* Erica N */
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define int long long
#define ull unsigned long long
#define pii pair<int, int>
#define ps second
#define pf first
#define itn int
#define rd read()
int read(){
int xx = 0, ff = 1;char ch = getchar();
while (ch < '0' || ch > '9') {if (ch == '-')ff = -1; ch = getchar();}
while (ch >= '0' && ch <= '9')xx = xx * 10 + (ch - '0'), ch = getchar();
return xx * ff;
}
// oid write(int out) {
// if (out < 0)
// putchar('-'), out = -out;
// if (out > 9)
// write(out / 10);
// putchar(out % 10 + '0');
// }
#define cdbg(x...) do { cerr << #x << " -> "; err(x); } while (0)
void err() { cerr << endl; }
template<template<typename...> class T, typename t, typename... A>
void err(T<t> a, A... x) { for (auto v: a) cerr << v << ' '; err(x...); }
template<typename T, typename... A>
void err(T a, A... x) { cerr << a << ' '; err(x...); }
const int N = 1e6 + 5;
const int INF = 1e18;
const int M = 1e7;
const int MOD = 520040527;
const ull P=10;
string s;
int n;
int pw[N],hs[N];
inline pii min(pii a,pii b){
return a<b?a:b;
}
pii ans={INF,INF};
inline int getHs(int l,int r){
return (hs[r]-hs[l-1]*pw[r-l+1]%MOD+MOD)%MOD;
}
bool check(int a,int b){
if(a<=0||a>=b)return 0;
// if()return 0;
if(s[a+1]=='0'&&b-a>1)return 0;
if(s[b+1]=='0'&&n-b>1)return 0;
int ha=getHs(1,a);
int hb=getHs(a+1,b);
int hc=getHs(b+1,n);
// cdbg("ck",a,b,ha,hb,hc);
if((ha+hb)%MOD==hc%MOD)return 1;
return 0;
}
signed main() {
// freopen(".in","r",stdin);
// freopen(".out","w",stdout);
cin>>s;
n=s.size();
s=" "+s;
pw[0]=1;
for(int i=1;i<=n;i++){
pw[i]=pw[i-1]*P%MOD;
}
for(int i=1;i<=n;i++){
hs[i]=(hs[i-1]*P%MOD+(s[i]-'0'))%MOD;
}
for(int i=n/2;i<=n-n/3+1;i++){
//枚举=位置(i后面)
int len=n-i;
if(check(len,i))ans=min(ans,mp(len,i));
if(check(len-1,i))ans=min(ans,mp(len-1,i));
if(check(len+1,i))ans=min(ans,mp(len+1,i));
if(check(i-len,i))ans=min(ans,mp(i-len,i));
if(check(i-len-1,i))ans=min(ans,mp(i-len-1,i));
if(check(i-len+1,i))ans=min(ans,mp(i-len+1,i));
}
// cdbg(ans.pf,ans.ps);
if(ans.pf==INF)assert(0);
for(int i=1;i<=n;i++){
putchar(s[i]);
if(i==ans.pf)putchar('+');
if(i==ans.ps)putchar('=');
}
}
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: 1212kb
input:
93944386991110939443869921
output:
939443869911+10=939443869921
result:
ok single line: '939443869911+10=939443869921'
Test #2:
score: 5
Accepted
time: 0ms
memory: 1208kb
input:
454431423351945476661
output:
45443142+33519=45476661
result:
ok single line: '45443142+33519=45476661'
Test #3:
score: 5
Accepted
time: 0ms
memory: 1212kb
input:
807674775734008076747757340
output:
8076747757340+0=8076747757340
result:
ok single line: '8076747757340+0=8076747757340'
Test #4:
score: 5
Accepted
time: 0ms
memory: 1208kb
input:
47936157175791479437362
output:
479361571+75791=479437362
result:
ok single line: '479361571+75791=479437362'
Test #5:
score: 5
Accepted
time: 0ms
memory: 1208kb
input:
8684160719450790868416071945079
output:
868416071945079+0=868416071945079
result:
ok single line: '868416071945079+0=868416071945079'
Test #6:
score: 5
Accepted
time: 0ms
memory: 1212kb
input:
3150325920082064131504079841
output:
31503259200+820641=31504079841
result:
ok single line: '31503259200+820641=31504079841'
Test #7:
score: 5
Accepted
time: 58ms
memory: 14780kb
input:
9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...
output:
9261598869160335057970310229283612818845075445997339978957735823966059362624832990688056822195031820...
result:
ok single line: '926159886916033505797031022928...3054231497478113058482456217163'
Test #8:
score: 5
Accepted
time: 62ms
memory: 15068kb
input:
4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...
output:
4701609646464966471786112512122938863110668626139644802941307402470417596440427343650542031038908331...
result:
ok single line: '470160964646496647178611251212...8748395060129898210762369495747'
Test #9:
score: 5
Accepted
time: 71ms
memory: 17588kb
input:
9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...
output:
9257202799561473086244723527541134302291247300137775651258683390946286052100443441136004200934466749...
result:
ok single line: '925720279956147308624472352754...2243909924739032590362234901192'
Test #10:
score: 5
Accepted
time: 62ms
memory: 16184kb
input:
4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...
output:
4416728326936622856150699213135191910979789931946758505266833530473668185681946524100519868737557117...
result:
ok single line: '441672832693662285615069921313...3111611421682233543698480114264'
Test #11:
score: 5
Accepted
time: 62ms
memory: 17300kb
input:
3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...
output:
3061041362133228009344583160193669358685821190644364754039063887060686947993153784177860432362852231...
result:
ok single line: '306104136213322800934458316019...4042293112332153562949434601781'
Test #12:
score: 5
Accepted
time: 75ms
memory: 17304kb
input:
8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...
output:
8531603642906385747583399978283975747482545589702570907905311483331351132043885935451850547243462360...
result:
ok single line: '853160364290638574758339997828...5180929300855954383525415798317'
Test #13:
score: 5
Accepted
time: 65ms
memory: 17316kb
input:
3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...
output:
3334731073815946487356418721839719459473953466541212185094515699104064312397044785650155583747481091...
result:
ok single line: '333473107381594648735641872183...2104466046161989376727619609117'
Test #14:
score: 5
Accepted
time: 57ms
memory: 16752kb
input:
7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...
output:
7113181137342253409543193679407457232222929505170124047879622285985297849800487899060254257891240998...
result:
ok single line: '711318113734225340954319367940...7499580501189814539270742795615'
Test #15:
score: 5
Accepted
time: 65ms
memory: 17300kb
input:
2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...
output:
2226576415518523623432262365703901892218433052474981493103118406267304359951441730045611163295598279...
result:
ok single line: '222657641551852362343226236570...1283546754745341452795514550351'
Test #16:
score: 5
Accepted
time: 64ms
memory: 17024kb
input:
7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...
output:
7282380568017210841065149843225478309106222219195648724985194189592224139941051182898879219925651713...
result:
ok single line: '728238056801721084106514984322...6665028468440209585025731431738'
Test #17:
score: 5
Accepted
time: 72ms
memory: 17588kb
input:
6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...
output:
6172023021615818261278406139291452768117320772111777913293782100858187571870407831738505138788606992...
result:
ok single line: '617202302161581826127840613929...9022854228506784321805225740782'
Test #18:
score: 5
Accepted
time: 41ms
memory: 11132kb
input:
1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...
output:
1641729471229192950020661455158841378773007409709289573050186474289570718374236969060246403530844480...
result:
ok single line: '164172947122919295002066145515...1428289195899821981683641721297'
Test #19:
score: 5
Accepted
time: 29ms
memory: 8056kb
input:
6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...
output:
6878197288916471551222877849454599200431985721720556540869310866854759368074574456390764568703818252...
result:
ok single line: '687819728891647155122287784945...4028111836067678989020741708082'
Test #20:
score: 5
Accepted
time: 34ms
memory: 9452kb
input:
1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...
output:
1336335135465815186373041570173603326293570642638147764739718555949768772153761126675803325646928488...
result:
ok single line: '133633513546581518637304157017...5916651705852916207264857823016'