#include <stdio.h>
#include <stdint.h>
int main() {
uint32_t vec[6][3] = {
{10, 11, 12},
{20, 21, 22},
{30, 31, 32},
{40, 41, 42},
{50, 51, 52},
{60, 61, 62},
};
int i=0, j=0;
for(auto it: vec[++i]) {
fprintf(stdout, "%u\n", it);
if( ++j>5 ) return 0; /// а иначе у тебя сегфолт
}
return 0;
}
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