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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#739980 | #5414. Stop, Yesterday Please No More | I_be_wanna | AC ✓ | 17ms | 12180kb | C++20 | 9.0kb | 2024-11-13 00:09:10 | 2024-11-13 00:09:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
struct time_helper{
#ifdef LOCAL
clock_t time_last;time_helper(){time_last=clock();}void test(){auto time_now=clock();std::cerr<<"time:"<<1.*(time_now-time_last)/CLOCKS_PER_SEC<<";all_time:"<<1.*time_now/CLOCKS_PER_SEC<<std::endl;time_last=time_now;}~time_helper(){test();}
#else
void test(){}
#endif
}time_helper;
#ifdef LOCAL
#include"dbg.h"
#else
#define dbg(...) (__VA_ARGS__)
#endif
namespace Fread{const int SIZE=1<<16;char buf[SIZE],*S,*T;inline char getchar(){if(S==T){T=(S=buf)+fread(buf,1,SIZE,stdin);if(S==T)return'\n';}return *S++;}}namespace Fwrite{const int SIZE=1<<16;char buf[SIZE],*S=buf,*T=buf+SIZE;inline void flush(){fwrite(buf,1,S-buf,stdout);S=buf;}inline void putchar(char c){*S++=c;if(S==T)flush();}struct NTR{~NTR(){flush();}}ztr;}
#define getchar Fread::getchar
#define putchar Fwrite::putchar
int print_precision=10;bool print_T_endl=1;char print_between=' ';
template<typename T>struct is_char{static constexpr bool value=(std::is_same<T,char>::value||std::is_same<T,signed char>::value||std::is_same<T,unsigned char>::value);};template<typename T>struct is_integral_ex{static constexpr bool value=(std::is_integral<T>::value||std::is_same<T,__int128>::value)&&!is_char<T>::value;};template<typename T>struct is_floating_point_ex{static constexpr bool value=std::is_floating_point<T>::value||std::is_same<T,__float128>::value;};namespace Fastio{struct Reader;struct Writer;template<size_t id>struct read_tuple{template<typename...T>static void read(Reader&stream,std::tuple<T...>&x){read_tuple<id-1>::read(stream,x);stream>>get<id>(x);}};template<>struct read_tuple<0>{template<typename...T>static void read(Reader&stream,std::tuple<T...>&x){stream>>get<0>(x);}};template<size_t id>struct print_tuple{template<typename...T>static void print(Writer&stream,const std::tuple<T...>&x){print_tuple<id-1>::print(stream,x);putchar(print_between);stream<<get<id>(x);}};template<>struct print_tuple<0>{template<typename...T>static void print(Writer&stream,const std::tuple<T...>&x){stream<<get<0>(x);}};
struct Reader{template<typename T>typename std::enable_if_t<std::is_class<T>::value,Reader&>operator>>(T&x){for(auto &y:x)*this>>y;return *this;}template<typename...T>Reader&operator>>(std::tuple<T...>&x){read_tuple<sizeof...(T)-1>::read(*this,x);return *this;}template<typename T>typename std::enable_if_t<is_integral_ex<T>::value,Reader&>operator>>(T&x){char c=getchar();short f=1;while(c<'0'||c>'9'){if(c=='-')f*=-1;c=getchar();}x=0;while(c>='0'&&c<='9'){x=(x<<1)+(x<<3)+(c^48);c=getchar();}x*=f;return *this;}template<typename T>typename std::enable_if_t<is_floating_point_ex<T>::value,Reader&>operator>>(T&x){char c=getchar();short f=1,s=0;x=0;T t=0;while((c<'0'||c>'9')&&c!='.'){if(c=='-')f*=-1;c=getchar();}while(c>='0'&&c<='9'&&c!='.')x=x*10+(c^48),c=getchar();if(c=='.')c=getchar();else return x*=f,*this;while(c>='0'&&c<='9')t=t*10+(c^48),s++,c=getchar();while(s--)t/=10.0;x=(x+t)*f;return*this;}template<typename T>typename std::enable_if_t<is_char<T>::value,Reader&>operator>>(T&c){c=getchar();while(c=='\n'||c==' '||c=='\r')c=getchar();return *this;}Reader&operator>>(char*str){int len=0;char c=getchar();while(c=='\n'||c==' '||c=='\r')c=getchar();while(c!='\n'&&c!=' '&&c!='\r')str[len++]=c,c=getchar();str[len]='\0';return*this;}template<typename T1,typename T2>Reader&operator>>(std::pair<T1,T2>&x){*this>>x.first>>x.second;return *this;}Reader&operator>>(std::string&str){str.clear();char c=getchar();while(c=='\n'||c==' '||c=='\r')c=getchar();while(c!='\n'&&c!=' '&&c!='\r')str.push_back(c),c=getchar();return*this;}Reader(){}}cin;const char endl='\n';
struct Writer{typedef __int128 mxdouble;template<typename T>typename std::enable_if_t<std::is_class<T>::value,Writer&>operator<<(const T&x){for(auto q:x){*this<<q;if(!is_class<decltype(q)>::value)*this<<print_between;}if(!is_class<typename T::value_type>::value&&print_T_endl)*this<<'\n';return *this;}template<typename...T>Writer&operator<<(const std::tuple<T...>&x){print_tuple<sizeof...(T)-1>::print(*this,x);return *this;}template<typename T>typename std::enable_if_t<is_integral_ex<T>::value,Writer&>operator<<(T x){if(x==0)return putchar('0'),*this;if(x<0)putchar('-'),x=-x;static int sta[45];int top=0;while(x)sta[++top]=x%10,x/=10;while(top)putchar(sta[top]+'0'),--top;return*this;}template<typename T>typename std::enable_if_t<is_floating_point_ex<T>::value,Writer&>operator<<(T x){if(x<0)putchar('-'),x=-x;x+=pow(10,-print_precision)/2;mxdouble _=x;x-=(T)_;static int sta[45];int top=0;while(_)sta[++top]=_%10,_/=10;if(!top)putchar('0');while(top)putchar(sta[top]+'0'),--top;putchar('.');for(int i=0;i<print_precision;i++)x*=10;_=x;while(_)sta[++top]=_%10,_/=10;for(int i=0;i<print_precision-top;i++)putchar('0');while(top)putchar(sta[top]+'0'),--top;return*this;}template<typename T>typename std::enable_if_t<is_char<T>::value,Writer&>operator<<(const T&c){putchar(c);return*this;}Writer&operator<<(char*str){int cur=0;while(str[cur])putchar(str[cur++]);return *this;}Writer&operator<<(const char*str){int cur=0;while(str[cur])putchar(str[cur++]);return*this;}template<typename T1,typename T2>Writer&operator<<(const std::pair<T1,T2>&x){*this<<x.first<<print_between<<x.second;return *this;}Writer&operator<<(const std::string&str){int st=0,ed=str.size();while(st<ed)putchar(str[st++]);return*this;}Writer(){}}cout;}
#define cin Fastio::cin
#define cout Fastio::cout
#define endl Fastio::endl
template<class Fun>class y_combinator_result{Fun fun_;public:template<class T>explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}template<class ...Args>decltype(auto) operator()(Args &&...args){return fun_(std::ref(*this), std::forward<Args>(args)...);}};template<class Fun>decltype(auto) y_combinator(Fun &&fun){return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));}
void init();void solve(int tc);
main()
{
init();int t=1;
cin>>t;
for(int tc=1;tc<=t;tc++)solve(tc);
}
void init()
{
}
void solve([[maybe_unused]]int tc)
{
int n,m,k;
string s;
cin>>n>>m>>k>>s;
vector<vector<int>>vis(n+2,vector<int>(m+2)),a(n+2,vector<int>(m+2));
int lx=1,ly=1,rx=n,ry=m,nx=0,ny=0;
for(auto c:s)
if(c=='U')rx=min(rx,n-(++nx));
else if(c=='D')lx=max(lx,1-(--nx));
else if(c=='L')ry=min(ry,m-(++ny));
else if(c=='R')ly=max(ly,1-(--ny));
if(lx>rx||ly>ry)
{
cout<<(k==0?n*m:0)<<endl;
return;
}
nx=lx,ny=ly;
vis[nx][ny]=1;
for(auto c:s)
if(c=='U')vis[++nx][ny]=1;
else if(c=='D')vis[--nx][ny]=1;
else if(c=='L')vis[nx][++ny]=1;
else if(c=='R')vis[nx][--ny]=1;
for(int x=1;x<=n;x++)
for(int y=1;y<=m;y++)
if(vis[x][y])a[x][y]++,a[x+rx-lx+1][y]--,a[x][y+ry-ly+1]--,a[x+rx-lx+1][y+ry-ly+1]++;
int ans=0;
for(int x=1;x<=n;x++)
for(int y=1;y<=m;y++)
{
a[x][y]+=a[x-1][y]+a[x][y-1]-a[x-1][y-1];
if((rx-lx+1)*(ry-ly+1)-a[x][y]==k)ans++;
}
cout<<ans<<endl;
}
/*#include<bits/stdc++.h>
using namespace std;
struct time_helper{
#ifdef LOCAL
clock_t time_last;time_helper(){time_last=clock();}void test(){auto time_now=clock();std::cerr<<"time:"<<1.*(time_now-time_last)/CLOCKS_PER_SEC<<";all_time:"<<1.*time_now/CLOCKS_PER_SEC<<std::endl;time_last=time_now;}~time_helper(){test();}
#else
void test(){}
#endif
}time_helper;
#ifdef LOCAL
#include"dbg.h"
#else
#define dbg(...) (__VA_ARGS__)
#endif
namespace Fread{const int SIZE=1<<16;char buf[SIZE],*S,*T;inline char getchar(){if(S==T){T=(S=buf)+fread(buf,1,SIZE,stdin);if(S==T)return'\n';}return *S++;}}namespace Fwrite{const int SIZE=1<<16;char buf[SIZE],*S=buf,*T=buf+SIZE;inline void flush(){fwrite(buf,1,S-buf,stdout);S=buf;}inline void putchar(char c){*S++=c;if(S==T)flush();}struct NTR{~NTR(){flush();}}ztr;}
#define getchar Fread::getchar
#define putchar Fwrite::putchar
int print_precision=10;bool print_T_endl=1;char print_between=' ';
template<typename T>struct is_char{static constexpr bool value=(std::is_same<T,char>::value||std::is_same<T,signed char>::value||std::is_same<T,unsigned char>::value);};template<typename T>struct is_integral_ex{static constexpr bool value=(std::is_integral<T>::value||std::is_same<T,__int128>::value)&&!is_char<T>::value;};template<typename T>struct is_floating_point_ex{static constexpr bool value=std::is_floating_point<T>::value||std::is_same<T,__float128>::value;};namespace Fastio{struct Reader;struct Writer;template<size_t id>struct read_tuple{template<typename...T>static void read(Reader&stream,std::tuple<T...>&x){read_tuple<id-1>::read(stream,x);stream>>get<id>(x);}};template<>struct read_tuple<0>{template<typename...T>static void read(Reader&stream,std::tuple<T...>&x){stream>>get<0>(x);}};template<size_t id>struct print_tuple{template<typename...T>static void print(Writer&stream,const s
void init();void solve(int tc);
main()
{
init();int t=1;
cin>>t;
for(int tc=1;tc<=t;tc++)solve(tc);
}
void init()
{
}
void solve([[maybe_unused]]int tc)
{
int n,m,k;
string s;
cin>>n>>m>>k>>s;
vector<vector<int>>vis(n+2,vector<int>(m+2)),a(n+2,vector<int>(m+2));
for(int y=1;y<=m;y++)
{
a[x][y]+=a[x-1][y]+a[x][y-1]-a[x-1][y-1];
if((rx-lx+1)*(ry-ly+1)-a[x][y]==k)ans++;
}
cout<<ans<<endl;
}*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3572kb
input:
3 4 5 3 ULDDRR 4 5 0 UUUUUUU 4 5 10 UUUUUUU
output:
2 20 0
result:
ok 3 number(s): "2 20 0"
Test #2:
score: 0
Accepted
time: 4ms
memory: 3724kb
input:
1060 19 12 0 UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL 11 1 0 UR 3 18 33 UDRLR 17 11 132 RLDRDLDRUU 6 10 13 UULUDDLRDLUUDLDD 1 15 0 D 6 20 50 D...
output:
228 11 20 99 18 15 34 240 15 0 0 13 14 18 26 16 1 19 108 8 2 2 3 7 0 30 16 21 0 8 10 9 15 5 320 11 7 3 0 0 12 0 11 0 0 14 0 22 36 51 23 7 6 4 2 48 28 8 63 22 49 13 10 4 108 10 18 44 0 15 9 0 4 30 14 99 105 10 14 17 0 66 10 11 28 52 34 56 33 14 56 90 14 0 121 3 48 30 36 13 0 30 7 8 3 11 16 45 20 34 0...
result:
ok 1060 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 10984kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 2ms
memory: 11048kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 17ms
memory: 12180kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 5ms
memory: 10900kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 0ms
memory: 10988kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 17ms
memory: 12076kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 2ms
memory: 11040kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 5ms
memory: 10944kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 14ms
memory: 12036kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"