제출 #161900

#제출 시각아이디문제언어결과실행 시간메모리
161900BertedCave (IOI13_cave)C++14
100 / 100
1031 ms516 KiB
#include "cave.h" int s[5001]={},d[5001]={},n; int tp[5001]={}; int ck() { for (int i=0;i<n;i++) { if (s[i]!=-1) {tp[i] = s[i];} else {tp[i] = 0;} } return tryCombination(tp); } int ck2(int x,int y) { int lg = 0; for (int i=0;i<n;i++) { if (s[i]!=-1) {tp[i] = s[i];} else { if (lg<x) {tp[i] = y;} else {tp[i] = !y;} lg++; } } return tryCombination(tp); } int st(int ps) { int lg = 0; for (int i=0;i<n;i++) { if (s[i]==-1) { lg++; if (lg==ps) {return i;} } } } void exploreCave(int N) { n = N; for (int i=0;i<n;i++) {s[i] = -1;d[i] = -1;} for (int i=0;i<n;i++) { int fl = (ck() == i); int l = 1,r = n - i; while (l<r) { int pv = (l+r)/2; if (ck2(pv,fl)==i) {l = pv+1;} else {r = pv;} } int x = st(l); s[x] = fl;d[x] = i; } answer(s,d); }

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'int st(int)':
cave.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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