ワーシャルフロイド法 (daylight/graph/floyd.hpp)

View this file on GitHub
Last update: 2024-12-26 20:32:55+09:00
Include: #include "daylight/graph/floyd.hpp"

Depends on

基本テンプレート (daylight/base.hpp)

Required by

daylight/graph/all.hpp

Verified with

test/aoj/grl/1_C.test.cpp

Code

#include "daylight/base.hpp"
/// @brief ワーシャルフロイド法
/// @param WF 隣接行列(out:最短経路長)
vector<vll> floyd(vector<vll> WF) {
	int n = SZ(WF);
	REP(i, n) WF[i][i] = 0;
	REP(k, n)
	REP(i, n) {
		if(WF[i][k] == LINF) continue;
		REP(j, n) {
			if(WF[k][j] == LINF) continue;
			chmin(WF[i][j], WF[i][k] + WF[k][j]);
		}
	}
	return WF;
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj_resolve/resolver.py", line 181, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 252, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 482, in update
    self.update(
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 477, in update
    raise BundleErrorAt(
competitive_verifier.oj.verify.languages.cplusplus_bundle.BundleErrorAt: daylight/base.hpp: line 103: unable to process #include in #if / #ifdef / #ifndef other than include guards