0_0_21226600_9912.c:5:1: error: unknown type name 'bool'
bool check[N];
^
0_0_21226600_9912.c:5:6: error: variably modified 'check' at file scope
bool check[N];
^
0_0_21226600_9912.c:6:4: error: variably modified 'phi' at file scope
LL phi[N],prime[N>>1],tot;
^
0_0_21226600_9912.c:6:11: error: variably modified 'prime' at file scope
LL phi[N],prime[N>>1],tot;
^
0_0_21226600_9912.c:7:4: error: variably modified 'sum' at file scope
LL sum[N],k,n,m,p;
^
0_0_21226600_9912.c: In function 'getphi':
0_0_21226600_9912.c:19:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=2;i<=N-5;++i){
^
0_0_21226600_9912.c:19:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_21226600_9912.c:24:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=1;j<=tot;++j){
^
0_0_21226600_9912.c:26:25: error: 'true' undeclared (first use in this function)
check[i*prime[j]]=true;
^
0_0_21226600_9912.c:26:25: note: each undeclared identifier is reported only once for each function it appears in
0_0_21226600_9912.c:34:11: error: redefinition of 'i'
for(int i=1;i<=N-5;++i){
^
0_0_21226600_9912.c:19:11: note: previous definition of 'i' was here
for(int i=2;i<=N-5;++i){
^
0_0_21226600_9912.c:34:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=N-5;++i){
^
0_0_21226600_9912.c: In function 'solve':
0_0_21226600_9912.c:45:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=tot&&prime[i]*prime[i]<=n;++i){
^
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