0_0_35011397_6347.c: In function 'dis':
0_0_35011397_6347.c:21:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 0; i < n; i++) {
^
0_0_35011397_6347.c:21:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_35011397_6347.c: In function 'solve':
0_0_35011397_6347.c:36:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < 4; i++) {
^
0_0_35011397_6347.c:53:1: error: expected expression before '/' token
// printf("=====%f\n", T);
^
0_0_35011397_6347.c: In function 'main':
0_0_35011397_6347.c:66:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 0; i < n; i++) {
^
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