mirror of https://github.com/TheAlgorithms/C
49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
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#include <stdio.h>
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#include <stdbool.h>
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#define NODES 4
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int digraph[NODES][NODES]={ {0,1,1,1}, {1,0,1,0}, {0,1,0,0}, {0,0,0,0} };
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int tc[NODES][NODES];
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void warshall() {
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int i, s, t;
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for (s = 0; s < NODES; s++)
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for (t = 0; t < NODES; t++)
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tc[s][t] = digraph[s][t];
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for (i = 0; i < NODES; i++)
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for (s = 0; s < NODES; s++)
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for (t = 0; t < NODES; t++)
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if (tc[s][i] && tc[i][t])
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tc[s][t] = 1;
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}
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int main(void) {
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warshall();
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int i, j;
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for (i = 0; i < NODES; i++) {
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for (j = 0; j < NODES; j++) {
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printf("%d ", tc[i][j]);
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}
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putchar('\n');
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}
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return 0;
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}
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// By
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// .----------------. .----------------. .----------------. .-----------------. .----------------. .----------------.
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// | .--------------. || .--------------. || .--------------. || .--------------. | | .--------------. || .--------------. |
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// | | _________ | || | _____ _____ | || | __ | || | ____ _____ | | | | ____ ____ | || | ____ | |
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// | | | _ _ | | || ||_ _||_ _|| || | / \ | || ||_ \|_ _| | | | | |_ || _| | || | .' `. | |
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// | | |_/ | | \_| | || | | | | | | || | / /\ \ | || | | \ | | | | | | | |__| | | || | / .--. \ | |
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// | | | | | || | | ' ' | | || | / ____ \ | || | | |\ \| | | | | | | __ | | || | | | | | | |
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// | | _| |_ | || | \ `--' / | || | _/ / \ \_ | || | _| |_\ |_ | | | | _| | | |_ | || | \ `--' / | |
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// | | |_____| | || | `.__.' | || ||____| |____|| || ||_____|\____| | | | | |____||____| | || | `.____.' | |
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// | | | || | | || | | || | | | | | | || | | |
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// | '--------------' || '--------------' || '--------------' || '--------------' | | '--------------' || '--------------' |
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// '----------------' '----------------' '----------------' '----------------' '----------------' '----------------'
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// Email : z5261243@unsw.edu.au
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// hhoanhtuann@gmail.com
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