Submission #1000756
Source Code Expand
// {{{ by shik
#include <bits/stdc++.h>
#include <unistd.h>
#define SZ(x) ((int)(x).size())
#define ALL(x) begin(x),end(x)
#define REP(i,n) for ( int i=0; i<int(n); i++ )
#define REP1(i,a,b) for ( int i=(a); i<=int(b); i++ )
#define FOR(it,c) for ( auto it=(c).begin(); it!=(c).end(); it++ )
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
typedef vector<int> VI;
#ifdef SHIK
template<typename T>
void _dump( const char* s, T&& head ) { cerr<<s<<"="<<head<<endl; }
template<typename T, typename... Args>
void _dump( const char* s, T&& head, Args&&... tail ) {
int c=0;
while ( *s!=',' || c!=0 ) {
if ( *s=='(' || *s=='[' || *s=='{' ) c++;
if ( *s==')' || *s==']' || *s=='}' ) c--;
cerr<<*s++;
}
cerr<<"="<<head<<", ";
_dump(s+1,tail...);
}
#define dump(...) do { \
fprintf(stderr, "%s:%d - ", __PRETTY_FUNCTION__, __LINE__); \
_dump(#__VA_ARGS__, __VA_ARGS__); \
} while (0)
template<typename Iter>
ostream& _out( ostream &s, Iter b, Iter e ) {
s<<"[";
for ( auto it=b; it!=e; it++ ) s<<(it==b?"":" ")<<*it;
s<<"]";
return s;
}
template<typename A, typename B>
ostream& operator <<( ostream &s, const pair<A,B> &p ) { return s<<"("<<p.first<<","<<p.second<<")"; }
template<typename T>
ostream& operator <<( ostream &s, const vector<T> &c ) { return _out(s,ALL(c)); }
template<typename T, size_t N>
ostream& operator <<( ostream &s, const array<T,N> &c ) { return _out(s,ALL(c)); }
template<typename T>
ostream& operator <<( ostream &s, const set<T> &c ) { return _out(s,ALL(c)); }
template<typename A, typename B>
ostream& operator <<( ostream &s, const map<A,B> &c ) { return _out(s,ALL(c)); }
#else
#define dump(...)
#endif
template<typename T>
void _R( T &x ) { cin>>x; }
void _R( int &x ) { scanf("%d",&x); }
void _R( long long &x ) { scanf("%" PRId64,&x); }
void _R( double &x ) { scanf("%lf",&x); }
void _R( char &x ) { scanf(" %c",&x); }
void _R( char *x ) { scanf("%s",x); }
void R() {}
template<typename T, typename... U>
void R( T& head, U&... tail ) {
_R(head);
R(tail...);
}
template<typename T>
void _W( const T &x ) { cout<<x; }
void _W( const int &x ) { printf("%d",x); }
template<typename T>
void _W( const vector<T> &x ) {
for ( auto i=x.cbegin(); i!=x.cend(); i++ ) {
if ( i!=x.cbegin() ) putchar(' ');
_W(*i);
}
}
void W() {}
template<typename T, typename... U>
void W( const T& head, const U&... tail ) {
_W(head);
putchar(sizeof...(tail)?' ':'\n');
W(tail...);
}
#ifdef SHIK
#define FILEIO(...)
#else
#define FILEIO(name) do {\
freopen(name ".in","r",stdin); \
freopen(name ".out","w",stdout); \
} while (0)
#endif
// }}}
const int N=5140;
const LL INF=9e18;
inline void chkmin( LL &a, LL b ) {
if ( b<a ) a=b;
}
struct P {
LL l,r;
} p[N];
bool operator<( P a, P b ) {
return a.r+a.l>b.r+b.l;
}
int n;
LL dp[N],ndp[N];
int main() {
R(n);
REP(i,n) R(p[i].l,p[i].r);
if ( n==1 ) {
W(0);
return 0;
}
sort(p,p+n);
REP(i,n) {
REP(j,N) ndp[j]=INF;
REP1(j,0,i) {
chkmin(ndp[j+1],dp[j]+p[i].l+(p[i].r+p[i].l)*j);
chkmin(ndp[j],dp[j]+p[i].r+(p[i].r+p[i].l)*(i-j));
}
memcpy(dp,ndp,sizeof(dp));
}
LL ans=INF;
REP1(i,0,n) ans=min(ans,dp[i]);
W(ans);
return 0;
}
Submission Info
Submission Time
2016-11-28 12:47:34+0900
Task
F - Intervals
User
shik
Language
C++14 (GCC 5.4.1)
Score
0
Code Size
3541 Byte
Status
WA
Exec Time
41 ms
Memory
512 KB
Compile Error
./Main.cpp: In function ‘void _R(long long int&)’:
./Main.cpp:62:46: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
void _R( long long &x ) { scanf("%" PRId64,&x); }
^
./Main.cpp: In function ‘void _R(int&)’:
./Main.cpp:61:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
void _R( int &x ) { scanf("%d",&x); }
^
./Main.cpp: In function ‘void _R(long long int&)’:
./Main.cpp:62:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
void _R( long long &x ) { scanf("%" PRId64,&x); }
^
./Main.cpp: In function ‘void _R(double&)’:
./Main.cpp:63:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-resu...
Judge Result
Set Name
Sample
All
Score / Max Score
0 / 0
0 / 1000
Status
Set Name
Test Cases
Sample
example0.txt, example1.txt
All
000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, example0.txt, example1.txt
Case Name
Status
Exec Time
Memory
000.txt
AC
41 ms
384 KB
001.txt
AC
15 ms
384 KB
002.txt
AC
41 ms
384 KB
003.txt
WA
34 ms
384 KB
004.txt
AC
40 ms
384 KB
005.txt
WA
22 ms
384 KB
006.txt
AC
40 ms
384 KB
007.txt
AC
25 ms
384 KB
008.txt
AC
41 ms
384 KB
009.txt
AC
11 ms
384 KB
010.txt
AC
41 ms
384 KB
011.txt
AC
23 ms
384 KB
012.txt
AC
40 ms
384 KB
013.txt
AC
10 ms
384 KB
014.txt
AC
41 ms
384 KB
015.txt
WA
15 ms
384 KB
016.txt
AC
41 ms
384 KB
017.txt
AC
33 ms
384 KB
018.txt
AC
40 ms
384 KB
019.txt
WA
25 ms
384 KB
020.txt
AC
3 ms
256 KB
021.txt
AC
3 ms
256 KB
022.txt
AC
40 ms
384 KB
023.txt
AC
40 ms
384 KB
024.txt
AC
40 ms
384 KB
025.txt
AC
40 ms
384 KB
026.txt
AC
41 ms
384 KB
027.txt
AC
41 ms
384 KB
028.txt
AC
41 ms
384 KB
029.txt
AC
41 ms
384 KB
030.txt
AC
41 ms
384 KB
031.txt
AC
40 ms
384 KB
032.txt
AC
41 ms
384 KB
033.txt
AC
40 ms
512 KB
034.txt
AC
41 ms
384 KB
035.txt
AC
41 ms
384 KB
036.txt
AC
41 ms
384 KB
037.txt
AC
40 ms
384 KB
038.txt
AC
40 ms
384 KB
039.txt
AC
41 ms
384 KB
040.txt
AC
41 ms
384 KB
041.txt
AC
41 ms
384 KB
042.txt
AC
41 ms
384 KB
example0.txt
AC
3 ms
256 KB
example1.txt
AC
3 ms
384 KB