제출 #249689

#제출 시각아이디문제언어결과실행 시간메모리
249689LittleFlowers__Vision Program (IOI19_vision)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;}) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int rnd(int l,int r){return l+rng()%(r-l+1);} #define fasty ios_base::sync_with_stdio(0),cin.tie(0); #define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a) #define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a) #define forv(a,b) for(auto&a:b) #define fi first #define se second #define pb push_back #define ii pair<int,int> #define mt make_tuple #define all(a) a.begin(),a.end() #define reset(f, x) memset(f, x, sizeof(f)) #define gg exit(0); #ifndef UNX #include "vision.h" #endif int D[]={-1,-1,1,1}; int C[]={-1,1,1,-1}; const int N=210; int it; int id[N][N]; void construct_network(int m, int n, int w){ forinc(i,1,m) forinc(j,1,n) id[i][j]=it++; ii x={0,0},y; int z; forinc(i,1,m) forinc(j,1,n) if(!add_not(id[i][j])){ x=x.fi?x:{i,j}; y={i,j}; } else z=id[i][j]; if(abs(x.fi-y.fi)+abs(x.se-y.se)==w) add_not(z); else add_not(z); }

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:36:18: error: expected primary-expression before '{' token
         x=x.fi?x:{i,j};
                  ^