제출 #1314151

#제출 시각아이디문제언어결과실행 시간메모리
1314151activedeltorreShortcut (IOI16_shortcut)C++20
38 / 100
2095 ms440 KiB
#include "shortcut.h" using namespace std; #include <vector> #include <iostream> long long inf=1e17; long long spar[100005]; long long atarna[100005]; int n; long long dist(int a,int b,int c,int d,int add) { long long minim=inf; minim=min(minim,spar[b]-spar[a]); minim=min(minim,abs(spar[b]-spar[d])+abs(spar[a]-spar[c])+add); return minim; } pair<long long,long long>eval(int i,int j,int c) { long long worst=0; if(c>spar[j]-spar[i]) { return {inf,1}; } long long worts=0,dir=1; for(int z=1; z<=n; z++) { for(int z2=z+1; z2<=n; z2++) { long long dcurr=dist(z,z2,i,j,c)+atarna[z-1]+atarna[z2-1]; worst=max(worst,dcurr); if(dcurr==worst) { if(z2>j) { dir=1; } else { dir=-1; } } } } return make_pair(worst,dir); } long long find_shortcut(int m, std::vector<int> l, std::vector<int> d, int c) { n=m; for(int i=2; i<=n; i++) { spar[i]=spar[i-1]+l[i-2]; } for(int i=0;i<n;i++) { atarna[i]=d[i]; } long long best=0; for(int z=1; z<=n; z++) { for(int z2=z+1; z2<=n; z2++) { best=max(best,spar[z2]-spar[z]+d[z-1]+d[z2-1]); } } for(int i=1; i<=n; i++) { int st=i+1,dr=n; while(st<=dr) { int mij=(st+dr)/2; pair<long long,long long>rez=eval(i,mij,c); if(rez.second==1) { st=mij+1; } else { dr=mij-1; } best=min(best,rez.first); } } return best; }

컴파일 시 표준 에러 (stderr) 메시지

shortcut.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
shortcut_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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