add -static to mingw option

datastructure/point_set_range_sort_range_composite/sol/naive.cpp

@@ -1,5 +1,6 @@
 #include <cstdio>
 #include <vector>
+#include <tuple>
 #include <algorithm>
 
 using namespace std;

math/polynomial_interpolation_on_geometric_sequence/gen/max_random.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/nar_0.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/near_pow2.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/pow_rN_equal_1.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/random.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/small.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

math/polynomial_interpolation_on_geometric_sequence/gen/y0.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <tuple>
 #include "random.h"
 
 #include "common.hpp"

problem.py

@@ -52,6 +52,8 @@ def compile(src: Path, rootdir: Path, opts: [str] = []):
             cxxflags_default += ' -Wl,-stack,{}'.format(hex(STACK_SIZE))
             # avoid using MinGW's "unique" stdio, which doesn't recognize %lld
             cxxflags_default += ' -D__USE_MINGW_ANSI_STDIO'
+            # avoid CI issue, ref https://github.com/yosupo06/library-checker-problems/issues/1031
+            cxxflags_default += ' -static'
         if platform.uname().system == 'Linux' and 'microsoft' in platform.uname().release.lower():
             # a workaround for the lack of ulimit in Windows Subsystem for Linux
             cxxflags_default += ' -fsplit-stack'