제출 #73949

#제출 시각아이디문제언어결과실행 시간메모리
73949Hoget157철로 (IOI14_rail)C++14
30 / 100
87 ms1052 KiB
#include "rail.h" #include <bits/stdc++.h> #define INF 1e+9 using namespace std; typedef pair<int,int> P; void findLocation(int n, int first, int location[], int stype[]){ location[0] = first; stype[0] = 1; if(n == 1) return; if(n == 2){ int d = getDistance(0,1); location[1] = first + d; stype[1] = 2; return; } int d0[5010] = {},d1[5010] = {},mi = INF,mii; for(int i = 1;i < n;i++){ d0[i] = getDistance(0,i); if(mi > d0[i]){ mi = d0[i]; mii = i; } } for(int i = 0;i < n;i++){ if(mii != i) d1[i] = getDistance(mii,i); } for(int i = 1;i < n;i++){ if(i != mii && d0[i] > d1[i]){ stype[i] = 1; location[i] = first - (d0[i] - 2 * d0[mii]); } else{ stype[i] = 2; location[i] = first + d0[i]; } } //for(int i = 0;i < n;i++) cout << stype[i] << " " << location[i] << endl; }

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:30:3: warning: 'mii' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(i != mii && d0[i] > d1[i]){
   ^~
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