Submission #320859

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
320859	2020-11-10 06:08:14	daniel920712	Gondola (IOI14_gondola)	C++14	100 / 100	70 ms	6372 KiB

gondola

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#include "gondola.h"
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
using namespace std;
map < int , int > con;
int all[100005];
set < int > have;
priority_queue < pair < int , int > , vector < pair < int , int > > , greater < pair < int , int > > > how ;
int valid(int n, int inputSeq[])
{
    int what,ok=1,i;
    for(i=1;i<=n;i++) all[i]=1e9;
    for(i=0;i<n;i++)
    {
        con[inputSeq[i]]++;
        if(con[inputSeq[i]]>=2) ok=0;
        if(inputSeq[i]>n) continue;
        all[inputSeq[i]]=(inputSeq[i]-i+n)%n;
        what=(inputSeq[i]-i+n)%n;
    }
    for(i=1;i<=n;i++) if(all[i]!=1000000000&&all[i]!=what) ok=0;
    return ok;
}
//----------------------
bool F(pair < int , int > a,pair < int , int > b)
{
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:36:29: warning: unused variable 'big' [-Wunused-variable]
   36 |     int now=0,con=0,where=0,big=0,t,i,x,y,nxt;
      |                             ^~~
gondola.cpp:36:35: warning: unused variable 't' [-Wunused-variable]
   36 |     int now=0,con=0,where=0,big=0,t,i,x,y,nxt;
      |                                   ^
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:24:44: warning: 'what' may be used uninitialized in this function [-Wmaybe-uninitialized]
   24 |     for(i=1;i<=n;i++) if(all[i]!=1000000000&&all[i]!=what) ok=0;
      |                          ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:100:44: warning: 'what' may be used uninitialized in this function [-Wmaybe-uninitialized]
  100 |     for(i=1;i<=n;i++) if(all[i]!=2000000000&&all[i]!=what) ok=0;
      |                          ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 10 / 10