Submission #1222281

#TimeUsernameProblemLanguageResultExecution timeMemory
1222281jakeob77Naval battle (CEOI24_battle)C++17
0 / 100
3043 ms790648 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long #define ins insert #define pb push_back void solve(){ int n;cin>>n; vector<pair<char,pair<int,int>>>ladja; for(int i=0;i<n;i++){ int a,b;char c;cin>>a>>b>>c; ladja.pb({c,{a,b}}); } vector<pair<int,pair<int,int>>>zab; for(int i=0;i<n;i++){ for(int j=i+1;j<n;j++){ char smer1=ladja[i].first; char smer2=ladja[j].first; int x1=ladja[i].second.first; int x2=ladja[j].second.first; int y1=ladja[i].second.second; int y2=ladja[j].second.second; if(smer1==smer2) continue; if(smer1=='N'){ if(smer2=='S'){ if(x1==x2&&y1>y2){ zab.pb({(y1-y2)/2,{i,j}}); } } if(smer2=='W'){ if(x2>x1&&y1>y2&&(y1-y2==x2-x1)){ zab.pb({x2-x1,{i,j}}); } } if(smer2=='E'){ if(x1>x2&&y1>y2&&(y1-y2==x1-x2)){ zab.pb({x1-x2,{i,j}}); } } } if(smer1=='S'){ if(smer2=='N'){ if(x1==x2&&y1<y2){ zab.pb({(y2-y1)/2,{i,j}}); } } if(smer2=='W'){ if(x2>x1&&y2>y1&&(x2-x1==y2-y1)){ zab.pb({x2-x1,{i,j}}); } } if(smer2=='E'){ if(x1>x2&&y1<y2&&(x1-x2==y2-y1)){ zab.pb({x1-x2,{i,j}}); } } } if(smer1=='W'){ if(smer2=='N'){ if(x1>x2&&y2>y1&&(x1-x2==y2-y1)){ zab.pb({x1-x2,{i,j}}); } } if(smer2=='S'){ if(x1>x2&&y1>y2&&(x1-x2==y1-y2)){ zab.pb({x1-x2,{i,j}}); } } if(smer2=='E'){ if(y1==y2&&x1>x2){ zab.pb({(x1-x2)/2,{i,j}}); } } } if(smer1=='E'){ if(smer2=='N'){ if(x2>x1&&y2>y1&&(x2-x1==y2-y1)){ zab.pb({x2-x1,{i,j}}); } } if(smer2=='S'){ if((x2-x1==y1-y2)&&x2>x1&&y1>y2){ zab.pb({x2-x1,{i,j}}); } } if(smer2=='W'){ if(y1==y2&&x1<x2){ zab.pb({(x2-x1)/2,{i,j}}); } } } } } sort(zab.begin(),zab.end()); vector<int>je(n,1e9+2); for(int i=0;i<zab.size();i++){ int time=zab[i].first; int ena=zab[i].second.first; int dva=zab[i].second.second; cout<<time<<' '<<ena<<' ' <<dva<<endl; if(je[ena]<time||je[dva]<time) continue; je[ena]=time; je[dva]=time; } for(int i=0;i<n;i++){ if(je[i]==int(1e9+2)){ cout<<i+1<<endl; } } } int main() { int t=1; while(t--)solve(); }
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