0_0_7790376_13033.cpp: In function `bool bellman_ford(int)':
0_0_7790376_13033.cpp:23: error: name lookup of `i' changed for new ISO `for' scoping
0_0_7790376_13033.cpp:18: error: using obsolete binding at `i'
0_0_7790376_13033.cpp: At global scope:
0_0_7790376_13033.cpp:30: error: `main' must return `int'
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