0_0_37283605_5289.c: In function 'Dijkstra':
0_0_37283605_5289.c:89:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 1; i <= n; ++ i) {
^
0_0_37283605_5289.c:89:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_37283605_5289.c:97:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(struct Edge *i = head[now.x]; i; i = i -> nxt) {
^
0_0_37283605_5289.c: In function 'main':
0_0_37283605_5289.c:123:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 1; i <= n; ++ i) {
^
0_0_37283605_5289.c:126:10: error: redefinition of 'i'
for(int i = 1; i <= m; ++ i) {
^
0_0_37283605_5289.c:123:10: note: previous definition of 'i' was here
for(int i = 1; i <= n; ++ i) {
^
0_0_37283605_5289.c:126:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 1; i <= m; ++ i) {
^
0_0_37283605_5289.c:138:10: error: redefinition of 'i'
for(int i = 1; i <= n; ++ i) {
^
0_0_37283605_5289.c:126:10: note: previous definition of 'i' was here
for(int i = 1; i <= m; ++ i) {
^
0_0_37283605_5289.c:138:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 1; i <= n; ++ i) {
^
0_0_37283605_5289.c:139:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(struct Edge *e = head[i]; e; e = e -> nxt) {
^
0_0_37283605_5289.c:154:2: error: expected expression before '/' token
// OutputForward(secondkeyedge -> x);
^
0_0_37283605_5289.c:155:2: error: expected expression before '/' token
// OutputBackward(secondkeyedge -> y);
^
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