Submission #895213

#	Time	Username	Problem	Language	Result	Execution time	Memory
895213		nightfal	Wiring (IOI17_wiring)	C++14	Compilation error	0 ms	0 KiB

wiring

#include "wiring.h"
 
long long min_total_length(std::vector<int> r, std::vector<int> b) {
  	int n = r.size(), m = b.size();
    long long dp[n][m];
  	dp[0][0] = r[0]>b[0]? r[0]-b[0]:b[0]-r[0];
  	for(int i=0; i<n; i++)
      dp[i][0] = dp[i-1][0] + r[i]>b[0]? r[i]-b[0]:b[0]-r[i];
    for(int j=0; j<m; j++)
      dp[0][j] = dp[0][j-1] + r[0]>b[j]? r[0]-b[j]:b[j]-r[0];
  	for(int i=1; i<n; i++)  	
      for(int j=1; j<m; j++)
        dp[i][j] = min(dp[i-1][j],d[[i][j-1],dp[i-1][j-1]) + abs(r[i]-b[i]);
	return d[n-1][m-1];
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:13:35: error: 'd' was not declared in this scope
   13 |         dp[i][j] = min(dp[i-1][j],d[[i][j-1],dp[i-1][j-1]) + abs(r[i]-b[i]);
      |                                   ^
wiring.cpp:13:36: error: two consecutive '[' shall only introduce an attribute before '[' token
   13 |         dp[i][j] = min(dp[i-1][j],d[[i][j-1],dp[i-1][j-1]) + abs(r[i]-b[i]);
      |                                    ^
wiring.cpp:13:20: error: 'min' was not declared in this scope; did you mean 'std::min'?
   13 |         dp[i][j] = min(dp[i-1][j],d[[i][j-1],dp[i-1][j-1]) + abs(r[i]-b[i]);
      |                    ^~~
      |                    std::min
In file included from /usr/include/c++/10/vector:60,
                 from wiring.h:1,
                 from wiring.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:278:5: note: 'std::min' declared here
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
wiring.cpp:13:62: error: 'abs' was not declared in this scope
   13 |         dp[i][j] = min(dp[i-1][j],d[[i][j-1],dp[i-1][j-1]) + abs(r[i]-b[i]);
      |                                                              ^~~
wiring.cpp:12:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   12 |       for(int j=1; j<m; j++)
      |       ^~~
wiring.cpp:14:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   14 |  return d[n-1][m-1];
      |  ^~~~~~
wiring.cpp:14:9: error: 'd' was not declared in this scope; did you mean 'dp'?
   14 |  return d[n-1][m-1];
      |         ^
      |         dp