제출 #217838

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
217838		DavidDamian	선물상자 (IOI15_boxes)	C++11	컴파일 에러	0 ms	0 KiB

boxes

//#include "boxes.h"
using namespace std;
typedef long long ll;
long long delivery(int N, int K, int L, int p[]) {
    ll total=0;
    int remaining=K;
    int a=0,b=N-1;
    int last=-1;
    while(a<=b){
        ll distA;
        ll distB;
        int selected=0;
        if(remaining==K){
            distA=min(p[a],L-p[a]);
            distB=min(p[b],L-p[b]);
            if(distA<=distB) selected=a;
            else selected=b;
            total+=(selected==a)? distA : distB;
        }
        else{
            distA=min(abs(p[a]-p[last]),L-abs(p[a]-p[last]));
            distB=min(abs(p[b]-p[last]),L-abs(p[b]-p[last]));
            if(distA<=distB) selected=a;
            else selected=b;
            total+=(selected==a)? distA : distB;
        }
        remaining--;
        if(remaining==0 || a==b){
            distA=min(p[a],L-p[a]);
            distB=min(p[b],L-p[b]);
            total+=(selected==a)? distA : distB;
            remaining=K;
        }
        last=selected;
        if(selected==a) a++;
        else b--;
    }
    return total;
}

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:14:19: error: 'min' was not declared in this scope
             distA=min(p[a],L-p[a]);
                   ^~~
boxes.cpp:21:23: error: 'abs' was not declared in this scope
             distA=min(abs(p[a]-p[last]),L-abs(p[a]-p[last]));
                       ^~~
boxes.cpp:21:19: error: 'min' was not declared in this scope
             distA=min(abs(p[a]-p[last]),L-abs(p[a]-p[last]));
                   ^~~
boxes.cpp:29:19: error: 'min' was not declared in this scope
             distA=min(p[a],L-p[a]);
                   ^~~