Submission #167439

# Submission time Handle Problem Language Result Execution time Memory
167439 2019-12-08T14:54:16 Z wildturtle Cave (IOI13_cave) C++14
Compilation error
0 ms 0 KB
#include"cave.h"
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,i,e,f,g,n,m,k,l,A[200005],B[200005],C[200005],D[200005],mid,le,ri;
void go(int x,int y) {
           for(int i=0;i<N;i++) {
                      if(B[i]>0) A[i]=B[i]-1;
                      else { if(x<=i && i<=y) A[i]=1;
                                 else A[i]=0;
                      }
           }
           return tryCombination(A);
}
void go1(int x,int y) {
           for(int i=0;i<N;i++) {
                      if(B[i]>0) A[i]=B[i]-1;
                      else { if(x>i || i>y) A[i]=0;
                                 else A[i]=1;
                      }
           }           
           return tryCombination(A);
}
void exploreCave(int N) {
           for(int i=0;i<N;i++) {
                      le=0; ri=N-1;
                      a=0;
                      c=go(0,N-1);
                      if(c>i || c==-1) a=1;
                      while(le<=ri) {
                                 mid=(le+ri)/2;
                                 if(a==1) {
                                            c=go(le,mid);
                                            if(c>i || c==-1) b=mid;
                                            else a=mid+1;
                                 }
                                 else {
                                            c=go1(le,mid);
                                            if(c>i || c==-1) b=mid;
                                            else a=mid+1;
                                 }
                      }
                      if(c==1) B[i]=2;
                      else B[i]=1;
                      C[i]=c;
                      D[i]=mid;
           }
           answer(C,D);
}

Compilation message

In file included from grader.c:1:0:
graderlib.c: In function 'int init()':
graderlib.c:74:12: warning: variable 'res' set but not used [-Wunused-but-set-variable]
     int i, res;
            ^~~
cave.cpp: In function 'void go(int, int)':
cave.cpp:6:26: error: 'N' was not declared in this scope
            for(int i=0;i<N;i++) {
                          ^
cave.cpp:12:35: error: return-statement with a value, in function returning 'void' [-fpermissive]
            return tryCombination(A);
                                   ^
cave.cpp: In function 'void go1(int, int)':
cave.cpp:15:26: error: 'N' was not declared in this scope
            for(int i=0;i<N;i++) {
                          ^
cave.cpp:21:35: error: return-statement with a value, in function returning 'void' [-fpermissive]
            return tryCombination(A);
                                   ^
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:27:33: error: void value not ignored as it ought to be
                       c=go(0,N-1);
                                 ^
cave.cpp:32:56: error: void value not ignored as it ought to be
                                             c=go(le,mid);
                                                        ^
cave.cpp:37:57: error: void value not ignored as it ought to be
                                             c=go1(le,mid);
                                                         ^