Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<stdio.h> ^~~~~~ main.cpp: In function 'int main()': main.cpp:2:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] int v[1000001];int main(){freopen("distincte2.in","r",stdin);freopen("distincte2.out","w",stdout);int n,m,i,a,b;scanf("%d%d",&n,&m);for(i=0; i<n; i++)scanf("%d", &a),v[a]=1;for(i=1;i<1000001;i++)v[i]+=v[i-1];for(i=0;i<m;i++)scanf("%d%d", &a, &b),printf("%d\n", v[b]-v[a-1]);} ^ main.cpp:2:98: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] int v[1000001];int main(){freopen("distincte2.in","r",stdin);freopen("distincte2.out","w",stdout);int n,m,i,a,b;scanf("%d%d",&n,&m);for(i=0; i<n; i++)scanf("%d", &a),v[a]=1;for(i=1;i<1000001;i++)v[i]+=v[i-1];for(i=0;i<m;i++)scanf("%d%d", &a, &b),printf("%d\n", v[b]-v[a-1]);} ^ main.cpp:2:132: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int v[1000001];int main(){freopen("distincte2.in","r",stdin);freopen("distincte2.out","w",stdout);int n,m,i,a,b;scanf("%d%d",&n,&m);for(i=0; i<n; i++)scanf("%d", &a),v[a]=1;for(i=1;i<1000001;i++)v[i]+=v[i-1];for(i=0;i<m;i++)scanf("%d%d", &a, &b),printf("%d\n", v[b]-v[a-1]);} ^ main.cpp:2:173: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int v[1000001];int main(){freopen("distincte2.in","r",stdin);freopen("distincte2.out","w",stdout);int n,m,i,a,b;scanf("%d%d",&n,&m);for(i=0; i<n; i++)scanf("%d", &a),v[a]=1;for(i=1;i<1000001;i++)v[i]+=v[i-1];for(i=0;i<m;i++)scanf("%d%d", &a, &b),printf("%d\n", v[b]-v[a-1]);} ^ main.cpp:2:274: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int v[1000001];int main(){freopen("distincte2.in","r",stdin);freopen("distincte2.out","w",stdout);int n,m,i,a,b;scanf("%d%d",&n,&m);for(i=0; i<n; i++)scanf("%d", &a),v[a]=1;for(i=1;i<1000001;i++)v[i]+=v[i-1];for(i=0;i<m;i++)scanf("%d%d", &a, &b),printf("%d\n", v[b]-v[a-1]);} ^