#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
const ll mod=1e9+7;
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll n;
cin>>n;
ll a[n+5],b[n+5];
ll dp[n+5];
vector<pair<ll,char>>v;
for(ll i=1;i<=n;i++){
cin>>a[i]>>b[i];
v.pb({a[i],'L'});
v.pb({b[i],'R'});
}
ll sum[n+5];
sum[0]=0;
ll cur=0;
sort(all(v));
map<ll,ll>s,e;
for(ll i=0;i<2*n-1;i++){
if(v[i]!=v[i+1]){
ll l=v[i].ff,r=v[i+1].ff;
if(v[i].ss=='R') l++;
if(v[i+1].ss=='L') r--;
if(l<=r){
cur++;
sum[cur]=sum[cur-1]+(r-l+1);
s[l]=cur;
e[r]=cur;
}
}
}
ll dp[n+5][2*n+5];
for(ll i=1;i<=n;i++){
for(ll j=1;j<=cur;j++){
}
}
}
Compilation message
boat.cpp: In function 'int main()':
boat.cpp:43:8: error: conflicting declaration 'long long int dp [(n + 5)][((n * 2) + 5)]'
43 | ll dp[n+5][2*n+5];
| ^~
boat.cpp:18:8: note: previous declaration as 'long long int dp [(n + 5)]'
18 | ll dp[n+5];
| ^~
boat.cpp:18:8: warning: unused variable 'dp' [-Wunused-variable]
