0_0_19539680_19971.c: In function 'main':
0_0_19539680_19971.c:23:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 0; i < m; i++){
^
0_0_19539680_19971.c:23:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_19539680_19971.c:27:17: error: conflicting types for 'i'
for(long long i = n;i>0;i--){
^
0_0_19539680_19971.c:23:11: note: previous definition of 'i' was here
for(int i = 0; i < m; i++){
^
0_0_19539680_19971.c:27:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(long long i = n;i>0;i--){
^
0_0_19539680_19971.c:30:11: error: conflicting types for 'i'
for(int i = 0; i < m; i++){
^
0_0_19539680_19971.c:27:17: note: previous definition of 'i' was here
for(long long i = n;i>0;i--){
^
0_0_19539680_19971.c:30:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 0; i < m; i++){
^
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