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View Compilation Error

0_0_38395167_17772.c: In function 'main':
0_0_38395167_17772.c:6:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for (int i = 0; i < 50; ++i) {
     ^
0_0_38395167_17772.c:6:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_38395167_17772.c:7:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int j = 0; j < 50; ++j) {
         ^
0_0_38395167_17772.c:11:5: error: expected expression before '/' token
     //scanf("%d%d",&a,&b);
     ^
0_0_38395167_17772.c:17:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 1; i < a+1; ++i) {
         ^
0_0_38395167_17772.c:22:18: error: redefinition of 'i'
         for (int i = 1; i <= b; ++i) {
                  ^
0_0_38395167_17772.c:17:18: note: previous definition of 'i' was here
         for (int i = 1; i < a+1; ++i) {
                  ^
0_0_38395167_17772.c:22:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 1; i <= b; ++i) {
         ^
0_0_38395167_17772.c:26:18: error: redefinition of 'i'
         for (int i = 1; i <= b; ++i) {
                  ^
0_0_38395167_17772.c:22:18: note: previous definition of 'i' was here
         for (int i = 1; i <= b; ++i) {
                  ^
0_0_38395167_17772.c:26:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 1; i <= b; ++i) {
         ^
0_0_38395167_17772.c:27:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int j = 1; j <=a ; ++j) {
             ^
0_0_38395167_17772.c:31:18: error: redefinition of 'i'
         for (int i = 0; i <=b+1 ; ++i) {
                  ^
0_0_38395167_17772.c:26:18: note: previous definition of 'i' was here
         for (int i = 1; i <= b; ++i) {
                  ^
0_0_38395167_17772.c:31:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 0; i <=b+1 ; ++i) {
         ^
0_0_38395167_17772.c:32:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int j = 0; j <= a+2; ++j) {
             ^


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