Submission #1062674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062674		NemanjaSo2005	Wall (IOI14_wall)	C++17	0 / 100	314 ms	262144 KiB

wall

#include<bits/stdc++.h>
#include "wall.h"
#define ll long long
#define f first
#define s second
using namespace std;
const int maxn=2e6+5;
int N,Q;
vector<pair<int,int>> sta[maxn];
int resavaj(vector<pair<int,int>> V){
   int maxa=0,minr=1e9,v1=0,v2=0;
   for(int i=0;i<V.size();i++)
      if(V[i].f==1)
         v2=max(v2,V[i].s);
   for(int i=0;i<V.size();i++){
      if(V[i].f==1)
         maxa=max(maxa,V[i].s);
      else{
         if(V[i].s<=maxa)
            v2=min(v2,V[i].s);
      }
   }
   for(int i=V.size()-1;i>=0;i--){
      if(V[i].f==2)
         minr=min(minr,V[i].s);
      else
         if(V[i].s<=minr)
            v1=max(v1,V[i].s);
   }
//   cout<<v1<<" "<<v2<<endl;
   return max(v1,v2);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
   N=n;
   Q=k;
   for(int i=0;i<Q;i++){
      for(int j=left[i];j<=right[i];j++)
         sta[j].push_back({op[i],height[i]});
   }
   for(int i=0;i<N;i++)
      finalHeight[i]=resavaj(sta[i]);
}

Compilation message (stderr)

wall.cpp: In function 'int resavaj(std::vector<std::pair<int, int> >)':
wall.cpp:12:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |    for(int i=0;i<V.size();i++)
      |                ~^~~~~~~~~
wall.cpp:15:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |    for(int i=0;i<V.size();i++){
      |                ~^~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 24
• Subtask 3: 0 / 29
• Subtask 4: 0 / 39