int Locate Vex(MGraph G, char u int i for (i=0; K<G. vexnum; 1++) i if(u==G.vexs return 1; 1 if(i-==G. vexnum)i printf(" Error u!n") exit(1) return oint LocateVex(MGraph G,char u) { int i; for (i=0;i<G.vexnum;i++) { if (u = = G.vexs[i]) return i;} if (i= = G.vexnum) { printf("Error u!\n"); exit(1); } return 0; }