0_0_35912271_18149.c:4:5: error: variably modified 'p' at file scope
int p[N],phi[M],cnt;
^
0_0_35912271_18149.c:4:10: error: variably modified 'phi' at file scope
int p[N],phi[M],cnt;
^
0_0_35912271_18149.c:5:11: error: variably modified 'ans' at file scope
long long ans[N];
^
0_0_35912271_18149.c:6:1: error: unknown type name 'bool'
bool vis[M];
^
0_0_35912271_18149.c:6:6: error: variably modified 'vis' at file scope
bool vis[M];
^
0_0_35912271_18149.c: In function 'getprime':
0_0_35912271_18149.c:34:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=2;i<=n;++i){
^
0_0_35912271_18149.c:34:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_35912271_18149.c:39:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=1;p[j]<=n/i;++j){
^
0_0_35912271_18149.c:40:25: error: 'true' undeclared (first use in this function)
vis[p[j]*i]=true;
^
0_0_35912271_18149.c:40:25: note: each undeclared identifier is reported only once for each function it appears in
0_0_35912271_18149.c: In function 'main':
0_0_35912271_18149.c:52:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=20000000;++i){
^
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