Submission #781944

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
7819442023-07-13 14:02:45I_Love_EliskaM_Gondola (IOI14_gondola)C++14
75 / 100
40 ms5556 KiB
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define pb push_back
#define all(x) x.begin(),x.end()
#define pi pair<int,int>
#define f first
#define s second
using ll = long long;
const int inf=1e9;
const int mod=1e9+9;
int replacement(int n, int a[], int r[]) {
int m=inf;
forn(i,n) m=min(m,a[i]);
if (m>n) {
vector<int> p;
set<int> s;
forn(i,n) s.insert(i);
map<int,int> mp;
forn(i,n) mp[a[i]]=i;
int l=0; forn(i,n) l=max(l,a[i]);
vector<int> v(n); forn(i,n) v[i]=i+1;
for (int i=n+1; i<=l; ++i) {
if (mp.count(i)) {
p.pb(v[mp[i]]);
s.erase(mp[i]);
} else {
p.pb(v[*s.begin()]);
 
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Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:4:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define forn(i,n) for(int i=0;i<n;++i)
......
   34 |     forn(i,p.size()) r[i]=p[i];
      |          ~~~~~~~~~~             
gondola.cpp:34:5: note: in expansion of macro 'forn'
   34 |     forn(i,p.size()) r[i]=p[i];
      |     ^~~~
gondola.cpp:4:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define forn(i,n) for(int i=0;i<n;++i)
......
   58 |   forn(i,p.size()) r[i]=p[i];
      |        ~~~~~~~~~~               
gondola.cpp:58:3: note: in expansion of macro 'forn'
   58 |   forn(i,p.size()) r[i]=p[i];
      |   ^~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:66:15: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |   if (s.size()<n) return 0;
      |               ^
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